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July is International Pest Month!

Just kidding! But it is the month so many of the little buggers come out in force! Taking good care of your plants during pest cycles goes with the territory!

Pest Prevention and taking care of your plants during pest cycles is a natural part of gardening!

Aphids & Whiteflies = Ants    Both ants and aphids exude a sugary ‘nectar,’ honeydew, that ants harvest from them.

Jet spray off the whiteflies! That’s those little clouds of tiny white insects that fly away when you bump your plant. Some of them transmit diseases to some veggies. Spray off dust that interferes with natural predators. Whiteflies like the heads of your broccoli side shoots, so keep those picked pronto! Smudge off any eggs you see on the undersides of leaves. Use a finer spray for bean leaves and be gentle, beans stems can break easily. White flies like humidity, so plant less densely, and keep check on the inner and lower leaves. Add a 1″ layer of worm castings out to the dripline of your plant. Water it in well. Insecticidal soaps or Neem oil can reduce populations. You really don’t want those tiny white flies, cute and adorable as they look, because they encourage black sooty mold and aphids that inject toxins and also carry diseases. Not good.

Some aphids are still lollying from April and June. Some are pretty little green tykes, others are dull gray, or black, usually numerous where they have decided to camp. Same principles. Keep vigilant watch so things don’t get out of hand, keep your veggies picked, and jet spray. Look inside curled leaves, under the leaves, and in newly leafing tops. See more about Aphids at UC IPM!

Ants tend aphids. Some say sprinkle cinnamon around your plant to keep the ants off it. Otherwise, use safe ant bait stakes. Be sure the stakes are the right kind for the ants you have and the time of year. ARGENTINE ants prefer sweet baits year-round. Protein baits are attractive to Argentine ants primarily in the spring. Chemical baits are not ok in our organic veggie community gardens. Instead, a simple remedy can be putting a few drops of dish soap around and filling the nest entrance. Pull mulch back from the stem of your plant and let that immediate soil dry a bit. Ants nest near water. See more about Ants at UC IPM!   See a lot more details about aphids and ants!

No mercy to those little green and black striped cucumber beetle cuties down in the cuke and squash flowers or simply strolling about! Squish. Or should we let a few pollinate our cucumbers and squashes even though they eat the flowers away? NO! Because they carry seriously nasty plant diseases.

Pick your outer lettuces leaves, cut & come again style. This guarantees you will find those morning slugs and snails. Poke around your beans gently and peek under squash and chard leaves for ambitious high altitude snail hikers. Scan your tomatoes for the varmints! Toss them someplace, the same place each time, so your local birds can gourmet on them. When the birds see you they will come for snacks! Use Sluggo, or the like, a few times to stop the generations, or hand pick if you can stand it.

Leafminers. Yuk. They chew on your chard and other veggies, get right between the layers of the leaf, making that section brown. External applications obviously can’t touch them. Pull away the infected sections of the leaf, remove badly infected leaves. There are several different kinds of leafminer insects that operate all at once. It’s their hatching season. Later summer there will be less. Keep harvesting to keep ahead of the miners.

Flea beetles in July? Yup. Those trillions of holes in the leaves? That’s who we’re talkin’ about. There are 3 to 4 generations per year, depending on weather, and the generation time is roughly 30 days. They look just like fleas, and are about impossible to catch. No mercy. Disturb their cycle by putting compost, manures, worm castings, under susceptible plants – eggplant, arugula, radish. They like radish the most, so plant it as a trap plant near other susceptible plants and let it grow out. Radish grows quickly, so plant it anytime! Turning the soil exposes the eggs and pupae to dry and die.

Keep the water coming so not only do cukes and lettuces stay sweet, the cukes and beans grow straight, but they grow fast and outgrow pests.

Unlike with insects, you don’t get a second chance with gophers.

Gophers are simply an ongoing pest for most gardeners. You mention them and gardeners groan. Now they are getting summer shiny and well fed on what you grow for them. It’s never too late to put in gopher barriers in any planting area. You can sink in an 18” to 2′ deep barrier, 6” above ground, perimeter, but better is to scoop out the area and lay the wire around and across the entire area, securing the wire edge to edge by weaving it with wire! Be sure neighboring edges are secure one way or another so there is no sneaking through. Hardware cloth will do the best job, lasts about 10 years, naturally is the most expensive. Chicken wire has too big an opening, and is easily gnawable. Aviary wire (1/2” opening), is the better choice,  and disintegrates in about 3 years, but is tons better than nothing at all!

If installing a barrier isn’t an option, then trapping is the most effective. It’s not hard to do, but I admit, it’s not entirely pleasant or even safe. Please do be careful setting traps, especially if you are gardening alone. I push the dead creature down the tunnel and close up the tunnel. Hopefully any newcomers to that tunnel system will plug that section off. Wire traps, like Macabees, are cheap and effective, need only a small hole dug to install, less digging, saves nearby plants. Box traps are perhaps more humane, and probably catch the fast small babies better, but do install two, one each direction, that’s what’s effective, you need a hole at least a foot in diameter. That usually requires a plant or more loss. The easy way to find tunnels, if you can’t find it at the fresh mound, is to push a small diameter ¼” to ½” stick into the surrounding ground at intervals until it gives when you push it in. That’s your tunnel location. The bigger the tunnel, the better your chances, especially if it goes off in two directions. Install your traps, one each direction. More on gophers!   UC Davis Integrated Pest Management  Good hunting.

Last option, but overall expensive per cost per an area, time and repeated installations, is wire baskets. You can buy them or make them. First check out how deep your plant’s roots are likely to grow and shop or make accordingly. If the roots grow through the basket they are likely to be nibbled.

We have talked about small nuisances and gophers. We haven’t talked about bunnies, mice,  deer, grasshoppers, skunks or others. But we can if you need to. Let me know.

Good gardening.  Vigilance, giving immediate care, are two good traits to have. Keep it organic. Remove pest habitat, keep working your soil, keeping your plants healthy and resistant. Floating row covers can be a good early season choice. But they have to be opened daily when it gets too hot, and opened daily or removed to allow pollination when your plants start flowering. At that point, they become more work than they are worth for pest prevention. Avoid overplanting that leads to neglect by not harvesting. If you’ve done it, remove plants you don’t use, give away if possible. Replace with something new, vigorous and inspiring! Sometimes a plant you love will simply successfully grow through the season of the pest, outgrow the part of the pest’s cycle that would bother your plant. Plant year round habitat for natural predators, beneficial insects. They are hungry hard workers! Don’t kill the spiders, welcome the lizards, put a safe bowl of water for the birds – safe means away from kitties and with a little ramp so lizards and mice, the tinies can get out.

Prevention is best! Select pest and disease resistant varieties. Use companion planting wisely!

  • Basil is great with tomatoes, and a pack of culinary dandelions! It is thought to repel white flies, mosquitoes, tomato hornworms, aphids, houseflies, and asparagus beetles. Smells great and tastes great!
  • Beans, Cukes, Dill, Radish Combo! Cukes and Beans are great on the trellis, one high, one low. Dill goes with your pickling cukes. Radishes to deter Cucumber beetles.
  • WHITE Potatoes with Zucchini to repel squash bugs.
  • Radish with eggplant, cukes & zukes act as trap plants for flea beetles and to repel cucumber beetles.
  • Carrots love being with cilantro and chamomile, and chamomile improves the flavor of any neighboring herb!
  • Herbs are fabulous! Calendula, aka Pot Marigold, traps aphids, whiteflies, and thrips!
  • Marigolds are brilliant and called the workhorse of pest deterrents!

No denial allowed! Be observant and take immediate action. Carry on, good garden soldiers!

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The Green Bean Connection started as correspondence for the Santa Barbara CA USA Pilgrim Terrace Community Garden. All three of Santa Barbara’s community gardens are very coastal. During late spring/summer we are often in a fog belt/marine layer most years, locally referred to as the May grays, June glooms and August fogusts. Keep that in mind compared to the microclimate niche where your veggie garden is. Bless you for being such a wonderful Earth Steward!

Love your Mother! Plant bird & bee food! Think grey water! Grow organic!

 

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May is for Cantaloupe & more Melons! Honeydew Fruit Bowl Flowers

Melons are total beauty queens! Their outsides are marvelous, no two alike! You can grow minis to monsters! The insides are beautiful colors! If you couldn’t see in color, their tastes would make up for it! Textures are plentiful! Some of them slither, others crunch! Warm and drizzly down your chin at the garden, ice cold on a hot day! Fruit salsa! You can cut them in a thousand ways, from cubes to balls, slices, astonishing intricate veggie art! They can be eaten with your fingers, put in smoothies, as part of creamy ambrosia. Sprinkle with spices, toss with mint. Add coconut or walnuts!

Besides all these delightful features, Melons are good for you!
CANTALOUPE (American) – 100% of Vitamin A, and 24% of Vitamin C
HONEYDEW – 53% of Vitamin C

Melons, like pumpkins, need heat! Melons are native to Africa, and the trick to getting the best-quality fruit in cooler climates is to duplicate the continent’s hot sun and sandy soil as best you can. Light, fluffy soils warm faster than do clay ones, and melons love loose, well-drained dirt! Amend with compost or leaf mold. Ideally, you would wait to sow seed until the soil has warmed to 70°F before planting squash and melons, but SoCal hits 60+ degree soil in April and you can plant transplants successfully then! Start seedlings indoors to get the soonest start, but don’t start the seedlings too soon! They grow quickly!

You in cooler coastal areas really need the heat. Naked unmulched soil heated by hot sun does the job!

Put your melons in an area where they are sheltered or there is a windbreak so they get good and hot! Remember the tricks about windbreaks. A porous windbreak works best. In a cooler climate, a wall, maybe of berry producing shrubs with dwarf fruit trees behind, can reduce cooling and drying winds, allowing the warmth of a food forest!Windbreak Effectiveness Diagram Porous

Use clear or black plastic to heat up the ground. They absorb heat, warm the soil early, conserve moisture, control weeds, keep some pests and diseases away, and make harvesting a whole lot easier and cleaner. Or, use black landscape cloth instead of black plastic! The cloth allows the soil to breathe and water to pass through. Combine that with spun polyester row covers over transplants to give them a fast start. They increase the temperature by 5 to 8 degrees, and conserve moisture. Spun polyester is also handy because you can water straight through it. Or you can use a clear plastic film over seeds or young plants to generate more heat, and late melons can be ripened under plastic, too. Row covers must be removed when plants start to bloom so pollinating insects can reach the flowers.

If you choose the black plastic, and you don’t garden over winter, lay it over the future melon garden in late winter to start warming the soil. Weigh down the edges so it doesn’t take flight. When you are ready to plant, make five-inch, x-line cuts at least four feet apart on 6 to 8 foot centers depending on the size of the melon you are growing – if you are growing several plants in rows. If you commingle edibles and ornamentals, allow at least three feet in all directions around the cut-plastic x. Pull the plastic back and create a hill of soil (amended with lots of organic matter).

Green plastic film mulch For your consideration, green mulch is to melons, cucumbers, peppers, pumpkins and squash what red plastic film mulch is to tomatoes. According to reports of research trials in the Northeast and Oregon, cooler areas, it stimulates earlier and heavier yields of fruits. One person reported the green film was very thin. As a deterrent to weeds, it didn’t come close to black plastic. And at the end of the season it wasn’t reusable, so they had to discard it. Maybe things have changed since then or it comes in different weights.

If you have super good heat, keep your melons off the ground with super thick mulch and even then, put them up on sturdy upside down containers. You want them out of the munching bug and soil diseases zone. They will color up more evenly, consistently, and you can save space, if grown on trellises, making little slings to hold the fruits up. But if your area doesn’t get super hot, on the ground is better than up on a cooling wind exposed trellis.

If you mulch, put a stake where the center of the planting basin is so when you water, the water goes where the central roots are. Save water by not watering the rest of the area that doesn’t need it and that would cool the ground. Make your basin large enough that tiny lateral feeder roots get water too. Melons like to be kept moist.

Fabulous varieties!

In cooler coastal areas consider growing mini melons that don’t take as long to mature, or early melons, container varieties, that mature in 85 days or less. Consider growing spicy sweet Green Nutmeg, which has been around more than 150 years. Jenny Lind is another green-fleshed cantaloupe that weighs about a pound, 70 days. Early varieties have compact foliage. Vines and the distance between leaves (nodes) are shorter than larger, long-season melons. They flower early and have smaller fruits.

Heat and drought tolerant varieties per Southern Exposure Seed Exchange are:

Melons: Top Mark, Sweet Passion, and Kansas all have extra disease and/or pest tolerances. Edisto 47 is particularly recommended for hot, humid summers where fungal disease is an issue. Missouri Gold produces well through droughty conditions. [If you live in SoCal coastal foothills, plant away. If you are in the cooler beach areas, if you think we will have a HOT summer, take a chance, plant if you have room! It’s recommended to wait until May to plant cantaloupe.]

Watermelon: Crimson Sweet and Strawberry watermelon are good choices where heat and humidity make fungal diseases a problem.

A clever strategy for instant succession planting, if you have space, is to plant melons that mature at different times. Growing small fast maturing melons AND late large melons = 2 harvests!

Soil  Slightly acid light, sandy loam with a pH between 6.0 and 6.5 is preferred. You might guess melons are very heavy feeders, they are making a lot of plant and a large fruit! Before planting, add in a little extra compost, and leaf mold, some well rotted manure, cow manure if you can get it.

Water! You are going to see a lot of recommendations to plant on mounds. Here in California, and other places, we are in drought conditions so I am recommending to plant in basins like the Zuni desert waffle gardens techniques. All the water goes to your plant, less is lost to evaporative wind across a mound top, less water is needed. If in a cooler coastal area, your plant is sheltered from cooling wind, produces more in the heat.

Melons need plenty of water to support quick vine growth in early summer! The rule of thumb is a minimum of 1-inch of water a week, 2 inches is likely better. If you use plastic mulch, it will retain moisture so check the soil under the plastic to see when watering is really required. Once the first fruit ripens, stop all watering. Too much water at ripening time dilutes the fruit’s sugars and ruins the sweet flavor. The melons don’t need the water because they develop a deep root system soon after they start to flower.

Plant! Seed soaking and presprouting definitely speed up germination! Plant three to five seeds two inches apart and about one inch deep. Keep them moist and watch them grow! Once the vines have two sets of true leaves, thin out the smaller or weaker vines, leaving the two strongest to grow on.

Valuable Companions  At the same time you plant your melons, put in radish, marigold, maybe nasturtium to repel Cucumber and flea beetles, squash bugs. Nasturtium harbors snails, so you are warned….

Male flowers come first so they can pollinate the females when they arrive! Not to worry if you don’t get fruit set at first.

Sidedressing Melons are a lot of plant and hungry! Fertilize every two to three weeks before blooming starts, using an all-purpose 5-5-5 fertilizer. In the root zone, put some spade fork holes around your plant. If you are using mulch, pull it back and add several inches of compost to root areas monthly. Put the mulch back and water it in. It’s like giving your plant compost tea as the water and compost drizzle down in the holes! Especially sidedress melons when blooming starts and every 6 weeks after.

Diseases

  • Fungus diseases, include Alternaria leaf spot, powdery mildew, anthracnose, and downy mildew.
  • Water melons in the morning, ideally at soil level, so leaves dry before evening, preventing fungal diseases.
  • Apply the home remedy Mildew mix! As soon as your little plants are up about 3″ or you put transplants in the ground, mix a heaping tablespoon of Baking Soda, 1/4 cup non-fat powdered milk, 1 regular aspirin, 1 teaspoon liquid dish soap in a watering can. Apply foliarly, both under and on top of leaves. The main ingredient is the bicarbonate of soda! It makes the leaf surface alkaline and this inhibits the germination of fungal spores. Baking soda prevents and reduces Powdery Mildew, and many other diseases on veggies, roses, and other plants! It kills PM within minutes. It can be used on roses every 3 to 4 days, but do your veggie plants every 5 to 10 days, or after significant rains, as the plant grows, because new plant tissues are not yet protected by your fungicide. See more details!
  • To prevent powdery mildew, spray the leaves with wettable sulphur during late summer when the nights begin to cool down.
  • At the first sign of disease, remove infected parts; remove and discard the mulch around the plant and replace it with fresh, clean mulch.

Pests  Spun polyester row covers are excellent for controlling cucumber beetles and vine borers. Vine borers are the worst melon pest in some states, but not in California. Additional practical info on vine borers from U of Georgia. Though written with squash in mind, just think melon, another cucurbit, as you read it. Remember, row covers must be removed when plants start to bloom so pollinating insects can reach the flowers. Once the row covers are removed, sprinkle diatomaceous earth on the leaves to protect the plants from cucumber beetles. Plant Radish with eggplant, cukes & zukes, and melons to repel wilt-carrying striped cucumber beetles.

Maturity, When and How to Harvest

On very hot days melons can over ripen on the vine, giving them a waterlogged appearance. Most summer melons are fragrant when ripe. Sniff the skin; if you smell the flavor of the melon (the senses of smell and taste are interrelated), it is ripe for the picking. Another indicator for ripeness is when the stem separates (slips) easily where the vine attaches to the fruit. Cantaloupes are mature when the rind changes from green to tan-yellow between the veins.

Honeydew, crenshaw, and other winter melons are ready to harvest when they turn completely white or yellow, and the blossom end is slightly soft to touch. Since they do not slip, cut the melons from the vine. They will continue to ripen for several days at room temperature once they are picked.

The sweetest and most flavorful melons are those picked ripe from the vine and eaten right away. They may not be icy cold, but the fresh flavor and perfume more than make up for the temperature difference. Go ahead, open a melon and eat it right in the garden—without utensils—and let the sweet nectar run down your chin. That’s the true taste of summer!

Poor Flavor? It may be the weather: cloudy during ripening, too hot, too much or too little water, it rained a lot before harvest, or a combination of factors.

Saving Seeds is easy! When you save and store seeds, you help to continue the genetic line of plant varieties, leading to greater biodiversity in garden plants and preventing extinction of different varieties. A word to the wise! Like other cucurbits, melons easily crossbreed, so allow a ½ mile for reliable distance isolation between different types or cultivars. To be completely safe from any accidental cross-pollination, keep them away from other family members including cucumbers, squash, and pumpkins.

  • Pick melons for seed saving when the tendril nearest the melon is completely dried, then store the harvested melon intact for another 3 weeks before removing and cleaning the seeds. Scoop out the seeds, put them into a wire mesh sieve, then with running water over the seeds rub them gently against the mesh, using it to loosen and remove the stringy fibers. The final test: Healthy seeds will sink to the bottom of a bowl of water, while dead seeds and most of the pulp will float. Get your seeds as clean as possible to keep them from sticking to whatever surface you dry them on.
  • Drain them in a strainer. Pat the bottom of the strainer with a cloth towel to pull extra water from the seeds after they have drained. Spread them on a piece of glass or a shiny ceramic plate to dry (they will stick to paper, even waxed paper). Place the glass or ceramic plate in a cool, dry shady spot for several days. After the seeds are dry, they can be carefully removed from the glass or plate and final-dried before being stored in jars.
  • Your seeds will keep for up to 5 years if stored in a cool dry place, however, the shorter the storage time, the better. Date and Name your seed jar. Dry seeds well to avoid mildew. Fluctuation in temperature or moisture levels of stored seeds lowers their longevity significantly. Prevent insect infestations by adding diatomaceous earth, it’s non toxic, to the stored seeds in their jars. Add a few pinches to the seeds in a bowl and gently stir to thoroughly cover each seed.

All melons are flavorful enough on their own, yet you can enhance them with a sprinkle of ginger or salt. A squirt of lemon or lime juice will bring out the melon’s sweetness.

A popular treat offered by Los Angeles push cart vendors is fresh fruit sprinkled with salt, chili powder and a squeeze of fresh lime juice! it makes a quick, healthy snack or a vibrant side for a barbecue! 

Mexican Fruit Salad with Chili Powder

Recipe Mexican Fruit Salad with Chili Powder

Choose 1, 2, 3 or more fruits and/or vegetables—here are some that work well:

  • mango
  • pineapple
  • watermelon
  • cantaloupe or other melon
  • cucumber or fresh pickles
  • jicama

lime juice
chili powder
salt, to taste or not at all! If you use salt, assemble your salad at the last minute—the salt begins leeching juice from the fruit right away.

May your life be sweet and spicy!

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The Green Bean Connection started as correspondence for the Santa Barbara CA USA Pilgrim Terrace Community Garden. We are very coastal, during late spring/summer in a fog belt/marine layer area most years, locally referred to as the May grays, June glooms and August fogusts. Keep that in mind compared to the microclimate niche where your veggie garden is. Bless you for being such a wonderful Earth Steward!

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