Kitchen Gardening With Karen

Peak Summer Insect Times

What to look for starting in July

Peak Insect Times

INSECT                             ZONE AFFECTED             MONTH(S)

Bean Aphid                          14                                              June to August

                                               18                                              May to July


Cabbage Looper                   1                                               July

                                                2                                              June-July

                                                6                                              Entire season

                                                9                                              August

                                                10                                            July

                                                12                                            Year round

                                                14                                            June to September

                                                15                                            May to September

                                                17                                            August to Oct

Cabbage Looper

Cabbage Looper  Photo courtesy


Corn Earworm                     1                                              July

                                                2                                              August

                                                3                                              June to August

                                                4                                              July to September

                                                7                                              June-mid July

                                                9                                              Late July-August

                                                10                                            July-August

                                                11                                            June to September

                                                13                                            July

                                                14                                            Late July

                                                15                                            July

                                                18                                            June-July

Corn Earworm

Corn Earworm  Photo courtesy


Flea Beetle                            5                                               April to July

                                                6                                              April to August

                                                12                                            April to August

                                                14                                            June-July

Flea Beetle

Flea Beetle   Photo courtesy


Spotted Cucumber Beetle       6                                              Entire season

                                                     9                                              May to August

Spotted Cucumber Beetle 

Spotted Cucumber Beetle   Photo courtesy


Mexican Bean Beetle          14                                            June-July

                                                15                                            May to July

Mexican Bean Beetle 

Mexican Bean Beetle  Photo courtesy


Pea Aphid                              6                                              Entire season

                                                14                                            May to September

                                                15                                            May to September      


Squash Bug                          6                                              March to August

                                                11                                            June to August

                                                14                                            August-September

                                                15                                            July-August

Squash Bug 

Squash Bug  Photo courtesy


Squash Vine Borer              2                                              June-July

                                                5                                              Late June-July

                                                7                                              June-July

                                                8                                              Entire season

                                                10                                            June-July

                                                11                                            July    


squash vine borer

Squash Vine Borer  Photo courtesy                        

Flowers That Attract Bees to Your Vegetable Garden

Karen NewcombHere in Northern California the almond blossoms are in full bloom. it won’t be long before other nut and fruit trees follow. Bulbs planted last fall have poked through the soil and are getting ready to bloom, some have already done so. Spring is my favorite time of the year. Spring came early this year, while the rains came late. In other parts of the country spring is just around the corner and now is the time to think about your vegetable garden.

There are a few things you need to think about before planting any flower that attracts the good guys. Don’t use pesticides, use local native plants if you can, plant flowers in groups, plant near the vegetable garden, or in the garden where you want to attract bees, and include flowers of different shapes and sizes.

Many flowers are edible as well bee attractors, so include some of these as well. Single petal blossoms attract the bees the most because there is more pollen and nectar than the double blossoms. Blue, purple and yellow flowers seem most appealing to beans. Flat or shallow blossoms attract more variety of bees. Long-tongued bees like flowers with hidden nectar. I’m also including herbs that have bee attracting flowers.


All photos are courtesy of Johnny's Selected Seeds,, unless noted otherwise.

Alyssum – Annual. Covered with white flowers.

Aster-Johnny's Selected Seeds 

Aster – is an annual that comes in a variety of colors and petal shapes. It also makes a great cutting flower.

Black-Eyed Susan - Johnny's Selected Seeds 

Black-Eyed Susan (Rudbeckia) – Annual. These come in many shapes and sizes. In colors from bright yellow-orange to dark rust to burgundy.

Cornflower - Johnny's Selected Seeds 

Coneflower (Echinacea) – Annual Like mini-carnations they are fragrant and cheerful. They come in shades of blue, pink white, and burgundy.

Lavender - Johnny's Selected Seeds 

Lavender – Perennial. Famous for its fragrance. Lavender colored blossoms. This is also grown as an herb.

Lupine - Johnny's Selected Seeds 

Lupine – Annual. Diminutive plants with flower spikes barely exceeding a foot tall. Dark blue, medium-pale blues, lavender, pinks, rose and white flowers. Bees love the mildly fragrant blooms.

Sunflower - Baker Creek Heirloom Seeds 

Sunflower – Annual. The variety Red Sun (photo courtesy Baker Creek Heirloom Seeds, is covered with dozens of ornamental blooms, red to red-orange single flowers and highlighted with a hint of yellow around the centers attract bees and butterflies.

Verbena - Johnny's Selected Seeds

Verbena – Tender perennial. Clusters of 2-inch heads packed with tiny purple flowers.

Zinnia - Johnny's Selected Seeds 

Zinnia – An annual that comes in all colors, sizes and are easy to grow.


All herb photos are courtesy of Johnny’s Selected Seeds,

Angelica – Biennial. Large, numerous greenish blooms attract and feed beneficial insects and pollinators.

Anise Hyssop – This is a tender perennial that is very aromatic, with a sweet, licorice-mint flavor. Lavender flowers.

Basil-Johnny's Selected Seeds 

Basil – An annual herb with blue flowers.

Bee Balm - Johnny's Selected Seeds 

Bee Balm (Bergamot) – Annual with spicy scented bright lavender blooms.

Borage - Johnny's Selected Seeds 

Borage – Annual with edible flower that has mild cucumber flavor. Mostly cornflower blue star-shaped flowers.

Hyssop - Johnny's Selected Seeds

Hyssop – Perennial. This is regular hyssop that is a great plant for attracting bees. It is in the mint family and has bright blue-violet flowers.

Sweet Marjoram - Johnny's Selected Seeds 

Marjoram – Perennial. If you plant wild marjoram the blooms are in shades of pink to purple.

Rosemary - Johnny's Selected Seeds 

Rosemary – Tender perennial. Has needle-like foliage and delicate flowers that range from light to dark blue in color.

Sage – Perennial. Lovely, small lavender flowers appear in early summer. White sage is what Native Americans use to make smudge sticks. Good bee attractor.

What is a Kitchen Garden?

Karen NewcombI spent the first ten years of my life on a farm in the lower Rio Grande Valley of South Texas. Everybody had farms back then, yet they all had kitchen gardens for their personal use. I imagine that stemmed from the Victory Gardens during World War II. When we moved to Southern California I can’t recall knowing anyone with a backyard vegetable garden. I met and married my late husband in Northern California and he just happened to write vegetable garden books, among other books, and he introduced me to small space, French intensive, biodynamic gardening. From then on I was hooked on developing small space kitchen gardens for our favorite recipes. I loved Mexican cooking, Duane loved Italian. Growing these specialized gardens became a labor of love and of course forced me to try new recipes and new vegetable varieties.

Today, as yesteryear, growing a kitchen garden has become a necessity for many families. With a kitchen garden these families are now eating far healthier than ever. I prefer postage stamp size kitchen gardens, which are small gardens that put the fresh ingredients that cooks’ need at their fingertips when they need them. Kitchen gardens are very special places designed by, and for, people who love to garden and cook healthy foods. While others are designed by good cooks who are constantly looking for a variety of vegetables to add to their dishes that let them express their personality.

Unfortunately, many people today complain that they are short on both time and garden space. The postage stamp kitchen garden solves both of these problems because it 1. Produces tremendous amounts of vegetables in a small space using intensive techniques; 2. Requires much less weeding, watering, and effort; 3. Maintains ecological balance using intensive organic methods that create a vigorous, healthy vegetable garden; and 4. Often combines in-ground gardens with containers, or raised bed gardens. I also recommend using heirloom seeds in your kitchen garden, because those saved seeds will remain true to the parent plant and are exactly the same each year. My favorite size of in ground raised bed is 4 x 4 feet. It’s easily managed, grows tons of vegetables and can be placed near the kitchen. If you have a large family then design a bigger bed, 4 x 8 feet is another good size, or even larger. Or, plant several postage stamp beds with different vegetables in them. Give the kids their own postage stamp bed to grow things they like.

A postage stamp kitchen garden bed does not plant in rows, but the seeds (or plants) are spread across the bed and allows all plant’s leaves to touch each other. Even planting some things beneath the leaves of growing plants. I’ll be writing more about this in later blogs.

Don’t be afraid to try something new. Grow an Asian vegetable bed, a salsa bed, a salad bed, an Italian bed, or a soup bed. Whatever your family likes to eat and you like to cook can be grown in a specialized kitchen vegetable garden. If you choose to plant heirlooms, make sure you plant one species of any variety in a single bed, so there is less likely a chance of cross pollination. If you choose to plant hybrids, don’t plant with heirloom varieties. Regardless of what you plant, have fun with it.

Kitchen Garden

Ellen's Kitchen Garden

My latest book The Postage Stamp Vegetable Garden Book by Ten Speed Press will be released February 2014.

© Copyright by Karen Newcomb

A Look at Seed Catalogs

Karen NewcombStarting a new garden blog is always a bit intimidating because I don’t want to leave any reader out. I have beginning gardeners to long time gardeners who may or may not enjoy the basics of gardening. All gardeners start out the same, by deciding what they want to grow and by looking through seed catalogs. I’ve spent years getting acquainted with vegetable seeds and the catalogs that offer them. Over the years I always ordered from the same big name companies. Then I began writing vegetable garden books and soon discovered many catalogs that offered specialized seeds. These catalogs are usually my favorite because they not only offer heirloom seeds but a history behind the seed.

Years ago I began experimenting with garden beds, using a particular theme to each bed.  I’m known for my postage stamp gardening and my books reflect that small space gardening.  My late husband, Duane, was the one who started my love for small space gardening.  He, then both of us, wrote about using the French intensive biodynamic small space garden beds.

From this love of gardening and the need to know where I could find seeds that my local nursery never heard of, I created a vegetable garden website,

When the new seed catalogs come out I work on this site almost daily to include the latest varieties they have to offer.  This site was created for someone like me who likes to browse yearly seed catalogs yet doesn’t know where to begin and they may not know about the smaller seed companies. To make life easier go online and find all the seed companies you may be interested in and go to their website, see if they have varieties you’re interested in and order a print catalog (of course you can order online, too). As you can guess, by now the space below my desk is a stack of 2013 seed catalogs measuring close to 2 feet high. I love the information I find in these catalogs, and I do a lot of clipping for article ideas, but at the end of the year I begrudgingly have to toss them all and order the next year’s edition.  And it’s getting to be that time of year where I have to purge the stack before ordering new current catalogs.

Let me give you a brief synopsis of each catalog and their web site so sometime later this year you too may want to send for a copy of their latest offerings.  When I list seed varieties in my blogs there will always be a source with a code listed.  Each of these seed companies has a code.

Annie’s Heirloom Seed This was a new find for me and one I will continue to order from year to year.  All heirlooms this charming catalog and the owner are wonderful people to deal with.   Code:  ANN

Baker Creek Heirloom Seeds A beautiful catalog with lots of colored pictures.  All their seed is non-hybrid, non-GMO, non-treated and non-patiented.  This is a must have catalog in any gardener’s collection.  Code:  BAK

Botanical Interests Another new catalog in my collection.  It is a magazine-style catalog with lots of vegetables listed.  Code:  BOT

Bountiful Gardens  This is the continuing effort of author, John Jeavons to offer heirloom, untreated, open-pollinated seeds for sustainable growing.  Located in northern California the sustainable mini-farm proves that Ecology Action (now in 40th year) works.  Jeavons offers not only seed grown right there, but internships, workshops and tours.  Very informational catalog.  Code:  BOU

Burgess Seed and Plant Co. This company has been in business since 1912.  The catalog has lots of color photos of vegetables.  They also have garden supplies.  Code:  BURG

Burpee Everyone knows the name Burpee, it’s the standard in the industry and has been around a long time.  I love getting it each year.  It has lots of colored pictures and garden supplies.  They carry mostly hybrids, but are now offering heirlooms.  Code:  BURP

Comstock Seeds Another very old seed company (200 years old) that is always beneath my desk.  They carry heirlooms, non-GMO, non-patented and non-hybrd seeds.  Their catalog is chocked full of colored pictures.  Very interesting catalog that is a must in ordering.  Code:  COM

The Cook’s Garden They offere hybrid and heirloom seeds and organic plants for gourmet gardeners.  Colorful catalog offers may different varieties, along with herbs and flowers.  Very nice catalog.  Code:  COO

Gourmet Seed International They offer hybrid and heirloom seeds.  Noted for their Italian varieties (Bavicchi Italian seeds) and garden supplies.  If you are a lover of Italian food and want to grow with authentic Italian varieties, this is the seed company for you.  Code:  GOU

Gurney’s Seed & Nursery Co. Another old established seed company that offers hybrids and some heirlooms.  It is a large format catalog with tons of colored vegetable pictures.  You can order a climate zone map from this catalog.  Code:  GUR

Harris Seeds Lots of vegetable varieties, hybrid and heirloom.  They also have garden supplies.  Code:  HAR

Henry Field’s Seed & Nursery Co. In business since 1892 they offer hybrids and heirlooms.  Lots of colored pictures.  Code:  HEN

Irish Eyes Garden Seeds Large selection of potatoes, garlic, shallots, onions, and organic vegetable seeds.  Code:  IRI

Johnny’s Selected Seeds Catalog full of colored photos, information and garden supplies.  Code:  JOH

John Scheepers Kitchen Garden Seeds 2013 was the first year I discovered this catalog, a company that has been in business since 1908.  They carry both hybrid and heirlooms.  Have a variety of herbs and flowers.  This one stays on my yearly must have list.  Code:  JOHN

Kitazawa Seed Co. I will always be grateful to this company for teaching me about Asian varieties.  If you love Asian food and want to grow a kitchen garden this is the company you need to go to.  They have been a California based business for 94 years.  They not only offer individual seed varieties but specialty garden seed packets and even recipes.  Code:  KIT

Native Seeds/S.E.A.R.C.H I found this seed organization this year and am pleased to recommend it to you.  This is a nonprofit organization that promotes the use of ancient crops by gathering and working to preserve their uses.  A wonderful resource for the Southwest gardener.  The seeds are a full diversity for arid lands.  All true heirloom of ancient varieties.  Code:  NAT

Neseed Another seed catalog I found this year.  No GMO seeds, organic seed, flower seed, herb seed, Italian gourmet seed and gardening supplies.  Code:  NES

Nichols Garden Nursery Lots of garden information, vegetables and garden supplies.  Widely adapted varieties that grow well in the Northwest.  Code:  NIC

Park Seed Park Seed has been around since 1868.  They carry hybrid and some heirloom seeds.  Very nice catalog.  They also have garden supplies.  Code:  PAR

Plants of the Southwest New Mexico based that offers a few vegetable varieties.  Wonderful source for native southwest plants.  Code:  PLA

Potato Garden If you’re a potato lover you’ll enjoy this catalog.  All varieties of potatoes, hybrid and heirloom.  Code:  POT

Seed Savers Exchange This is an heirloom seed catalog that is a must in your collection.  Beautiful catalog with colored pictures and seed stories.  All heirloom, open-pollinated seeds that are saved and passed on from family to family or friend to friend.  They also have seed saving supplies.  Code:  SEED

Seeds From Italy An American distributor of Italian seeds.  Another fine source for your authentic Italian kitchen garden.  Code:  SEE

R.H. Shumway’s 142 year-old company that produces an old-fashioned large illustrated garden guide in newsprint paper.  It’s like stepping back in time visually, but up to date in products.  Catalog tends to be confusing to read, but fun.  Hybrid and some heirloom seeds.  Also has garden supplies.  Code:  SHU

Southern Exposure Seed Exchange Their mission is to ensure that people retain and control their food supply, that genetic resources are conserved and that gardeners have the option of saving their own seed.  Lots of heirloom seeds and seed stories.  They also carry hybrids.  Catalog choked full of information.  Code:  SOU

Stokes Seeds A seed company since 1881.  Hybrid and some heirloom seeds.  Lots of colored pictures.  Has garden supplies.  Code:  STO

Territorial Seed Company A Northwest seed company the catalog has lots of pictures.  Carried hybrid and open-pollinated seed.  Has garden supplies.  Code:  TER

Terrior Seeds Very nice company to do business with.  Located in Arizona they carry heirloom and open-pollinated seeds.  Subscribe to their newsletter for garden information.  Code:  TERR

The Pepper Gal Specialist in hot, sweet and ornamental peppers.  Some tomatoes, pumpkins and supplies.  Code:  THE

Thompson & Morgan Lots of colored pictures.  Hybrid and some heirloom varieties.  Code:  THO

Tomato Growers A tomato lovers catalog.  Lots of colored photos.  They carry more than tomatoes, they offer peppers (hot and sweet), eggplant and garden equipment and supplies.  Hybrid and heirloom seeds.  Code:  TOM

Totally Tomatoes Another tomato lovers catalog.  Lots of colored pictures.  Heirloom and hybrid varieties.  They also offer other salad vegetables and garden supplies.   Code:  TOT

I’ll be adding new catalogs as I come across them.  In the meantime, why not try a new variety or two in 2014.

Kitchen Gardening with Karen is for cooks who want a smaller garden to grow new varieties right outside their door.

Copyright by Karen Newcomb

It's Fall, What to do When Ants Move in

Karen NewcombFor some reason I never think about ants this time of year, until I see a trail of them moving in. It’s like they have automatic radar to where it’s dry, warm and cozy for them during winter months.

The first defense against ants getting close to your house is by keeping your outdoor plants and mulches one foot away from walls, windows, foundation and roof. Look around the outside of your home. If the walls have cracks, use caulk to seal them. Are there any holes cut into walls for any electrical work or pipes?You’ll need to seal these too.

Inside the home, keep the kitchen clean by wiping up food spills; ants love sweets and fats. And always be on the lookout for a single ant because you just know that’s a scout ready to put out the word and wait for a swarm to invade.

If you find you are suddenly surprised by a fall invasion, you want to use a pesticide such as Terro Ant Bait. It’s liquid, organic and comes in pre-filled, ready to use ant baits. You can also use other organic ant pesticide such as Safer Ant Killer.

Pyrethrins are broad-spectrum contact-kill insecticidals made from an extract of the dried flowers of Chyrsanthemum cinearifolium, a perennial daisy like plant from Kenya. It is harmful to fish and has some ill effect on beneficial insects. In fall, the beneficial insects are long gone and if there is no runoff into a fish pond, it shouldn’t be a problem. However, it is one of the safest botanicals available. These products can be found at your local nursery or home improvement center.

© by Karen Newcomb

Dealing With Vegetable Diseases: Viruses, Parasitic Nematodes, Plus Vegetable Diseases at a Glance

Karen Newcomb

Viruses are complex single molecules that act like living organisms. There are more than 200,000 of these marauding molecules to an inch. To identify viruses, plant pathologists usually group them together by what they do to the plant. Viral diseases often show up as a distortion (puckering or curling) of leaves, flowers, or fruits; stunted plants; yellow streaking; or mottled leaves.

A few of the viruses that affect vegetables are aster yellows (plants are stunted and yellow), curly top (dwarfed plants with bunched, curled leaves), mosaic (leaves have mottled yellow or light green areas), ring spot (yellow or brown concentric rings), and yellows (plants are uniformly yellow, may wilt and die).

Curly Top Virus. Courtesy T.A. Zitter, Cornell University

Escarole Plant With Mosaic Virus

Mosaic Virus. Courtesy T.A. Zitter, Cornell University

Ringspot Virus

Ring Spot Virus. Courtesy Missouri Botanical Garden

There is no chemical control for a virus. Good cultural practices and use of virus-resistant vegetables provide the best protection. Since many viruses are spread by sucking insects such as aphids and leafhoppers, you can also limit the viral disease in your garden by controlling insects that spread the diseases.

Parasitic Nematodes

Parasitic nematodes that attack plants are vigorous, slender, tiny roundworms. They are generally included under diseases because the symptoms they cause are similar. 

Most nematodes are harmless because they feed on decomposing organic material and other soil organisms. Nematodes that attack living vegetables suck the green color and cause stunting of vegetables, wilting, dieback, and similar signs.

The root-knot nematode causes galls to form on the roots of many vegetables. The first indication of nematode injury in a garden or field is often the appearance of small circular or irregular areas of stunted plants with yellow or bronzed foliage. This area gradually enlarges.  There are a number of chemical and nonchemical ways to protect your vegetables from nematodes.

Root Knot Nematode

Root-Knot Nematode. Courtesy Missouri Botanical Garden

Vegetable Diseases at a Glance

(Chemical control was discussed under each of these diseases in previous blogs.)


Bacterial spot
What to look for: Dark green spots or streaks that later turn gray, brown, reddish; can ooze gelatinous fluid.
Prevention and/or natural controls: Rotate crops; keep plants vigorous by fertilizing.

Soft bacterial rot
What to look for: Infected areas on leaves, branches, or fruit bordered by yellow or tan area; advanced infection causes large sunkened dark areas, frequently oozing gelatinous fluid.
Prevention and/or natural controls:  Avoid planting in undrained soil; rotate crops on long rotation.

Bacterial wilt (spread by insects)
What to look for: Plants wilt and die; symptoms identical to fusarium and verticllium wilt.
Prevention and/or natural controls: Destroy infected plants; grow resistant varieties.


What to look for: Grayish patches on upper surface of leaves (powdery mildew); pale green or yellow areas on upper surface, light gray or purple below.
Prevention and/or natural controls: Rotate crops; avoid overhead sprinkling; plant resistant varieties.

What to look for: Yellow, orange, red, or brown pustules on underside of leaves and stems.
Prevention and/or natural controls: Destroy nearby weeds that show rust; collect and destroy infected plants when first seen.

What to look for: Stems, leaves, roots, and/or fruit become mushy and spongy.
Prevention and/or natural controls: Plant in well-drained soil; collect and destroy infected material and plant debris; keep fruit off soil.

What to look for: Sunken or swollen discolored dead areas on stem that sometimes girdle stem.
Prevention and/or natural controls: Destroy infected plants; use four-year rotation; purchase healthy-looking plants.

What to look for: Roughened crustlike raised or sunken area on surface of leaves, stem, fruit, roots, and tubers.
Prevention and/or natural controls: Practice long crop rotation; plant resistant varieties; remove weeds.

Fungal Leaf Spots/Blight
What to look for: Spots on leaves; centers may fall out; spots may enlarge to form blotches.
Prevention and/or natural controls: When severe, collect and burn infected material.

What to look for: Leaves turn pale green to yellow; plants wilt and die.
Prevention and/or natural controls: Use resistant varieties; practice long rotation; collect and destroy infected plants.

Smut/Sooty Mold
What to look for: Dark brown to black sooty-looking masses inside swollen white blisters.
Prevention and/or natural controls: Pick off and burn infected parts before blisters open; grow resistant varieties.


What to look for: Distortion of leaves, flowers, fruit; stunted plants; yellow streaking or mottling.
Prevention and/or natural controls: Destroy diseased material; keep down weeds.


What to look for: Yellowing, stunting, wilting, dieback; knots on roots.
Prevention and/or natural controls: Destroy infected plants; plant resistant varieties; rotate plantings.

© Copyright by Karen Newcomb

Dealing With Vegetable Diseases: Bacteria

Karen NewcombPlant pathologists consider a vegetable to be sick (diseased) when it doesn’t develop or produce normally because it is being attacked by some living organism.

A typical leaf or stem infection has the following appearance: a sunken, brown center is bordered by a tan or yellow area that is surrounded by a pale green border into which the disease is growing. Infected fruit also shows similar color zones. Although leaf and fruit discoloration may occur with insect damage, the discoloration does not appear in definite zones.


Bacteria are typically one-celled plants that swim through every inch of your soil. By estimate, 1 pound of garden soil contains over 2 million bacteria. Fortunately, most bacteria are harmless, and many are beneficial in helping to break down organic matter in the soil. Some, however, kill vegetables or make them inedible. The most visible characteristic of bacterial infections in vegetables is an oozing, gelatinous fluid flowing from the infected area.

You might find any of the following three kinds of bacterial damage in your garden: bacterial spots, soft rots and wilts.

Bacterial spots, or blight, may start as dark green spots or streaks on the leaves and stems, then later turn gray, brown, or reddish-brown, and ooze a gelatinous fluid. The spots may even drop out, leaving ragged holes, and the leaves may wither and die. Scabby or sunken brown spots or blotches caused by bacteria are generally called blights.

Bacterial Spots

Bacterial Spots. Courtesy Missouri Botanical Garden plant information.

Prevention and control: Rotate crops; keep plants vigorous by fertilizing.

Chemical control: Fixed copper sprays help control rot and blight.

Soft bacterial rot may infect the leaves, branches and fruits of plants. The infected area is generally bordered by a lighter yellow or tan area. Advanced infection causes large sunken dark areas on the fruit that frequently ooze a gelatinous fluid.

Soft Rot

Soft Bacterial Rot. Courtesy Missouri Botanical Garden plant information.

Prevention and control:  Avoid planting in undrained soil; rotate crops on long rotation. 

Chemical control:  Treat soil with diazinon before planting to control insects that spread rot.

Bacterial wilt occurs when the bacteria invade and plug up the water-conducting tubes of the plant. If you slice the stem of an infected plant, it will ooze a gelatinous fluid. To the gardener’s dismay, often seemingly healthy, vigorous plants simply dry up and wilt overnight.

Bacterial Wilt. Courtesy Missouri Botanical Garden plant information.

Prevention and control:  Destroy infected plant; grow resistant varieties.

Chemical control:  Use organic chemicals to destroy insects that spread bacterial wilt. Certain insects such as the flea beetle and cucumber beetle carry bacterial disease in their digestive tracts. When these beetles have lunch in your garden, they spread the disease.

The next blog will cover viruses, parastic nematodes, plus Vegetable Diseases at a Glance.

© Copyright by Karen Newcomb

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