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Poly Floating Row Cover - slits for daytime ventilation. GreenHouseWorld.com

Have you ever used these?  Why not?!  Your family never did?  The cost factor?  They sound great!  They’re not just for big farmers, you can get them from nurseries and most seed catalogs!  I’m going to give them a try this year.

USES  Use for warming your plants both for starting spring crops early, and to ripen finishing fall fruits.  Use for frost protection, spring and fall.  Keep away harmful insects that eat or lay eggs, spread viruses.  Keep out birds and bunnies.  A caution:  ‘Colorado State University entomologists have found that overwintering insects can be trapped under the covers next to their favorite plants and be ready for action in spring. Some of these insects are tomato hornworm, onion and other root maggots, flea beetles and the [Colorado] potato beetle. Cultivate the soil before planting to reduce the number of surviving insects. Better yet, rotate crops so the survivors do not find their favorite plants nearby.’  OK?

How they work!  If for heat and growth, lay down black plastic mulch for soil warming and weed prevention. Make your slits in the plastic, plant. Put on your row cover. You can put it over hoops, over tomato cages or wires like hardware cloth bent into an arc, tented, or laid right on your plants, installing enough so your plants have room to grow up underneath. Anchor it well so no marauders can walk under or slither in. You can water right through it. Cover a row, or cover your entire raised bed!  If you are using the garden cloth row covers for freeze or grasshopper prevention, don’t let the covers touch your plants.  Since they are good both to keep your plants warmer when planting early, and help with cool weather frosts and freezes, this is one time you can have it both ways!  🙂

They come in lots of varieties – ask questions, shop around.  Select for your needs.  Get a rig that’s easy to lift for tending, and harvesting, especially if you use them to protect your strawberries from birds.

Garden Cloth, easy to install at home using tomato cages - U of Maryland Extention

Insect protection

  • The surest way to protect plants from hungry grasshoppers is to cover them with a barrier, such as a floating row cover or lightweight cloth. Be sure to hold the covers above plants with hoops or stakes, because grasshoppers are more likely to eat their way inside if leaves are pushing against the fabric.
  • Beets & Chard  Leafminers are the most common pest.  Cover plants with fine netting or cheesecloth or floating row cover to protect them from adult flies.
  • Effective in controlling cucumber beetles, squash borer and squash bugs.
  • Flea beetles on arugula, cucumber, eggplant, radish.

Double up under the covers!  Plant your main crop you want to protect, interplant with a smaller understory plant on the sunny side!  You might put in some eggplant with arugula and radish interplanted on their sunny side.

Remove and store when no longer needed! 

Lay right on your plants! Burpee.com

Danger of frost is past
The insect’s cycle is over.  Know your insect.
You no longer need more warmth
To allow pollination.  Especially melons, cucumbers and squash, that depend on insects for pollination. 

Sustainable.  Pesticides need to be applied weekly and/or after every rain, but with row covers they can be avoided completely.  Keep your soil clean, and our ocean safe.  Not only that, they save the time it takes to apply any formulas you may concoct, and if you are careful, you can lovingly reuse your row covers!  You can use them several times a year, per weather need, as different plants need protection as insects cycle, and next year too!  This is the best kind of ‘dirty laundry!’

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