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Cabbage white butterflies are a menace. They lay numerous eggs on the underside of the leaves of cabbage, cauliflowers, brussel sprouts, broccoli, and other brassicas. If you find them you can rub them off, but you cannot possibly check every leaf every day of the growing season. The caterpillars that subsequently hatch can easily eat their way through your whole crop.
Many people combat this problem by spraying with an insecticide. There is however a more environmentally friendly and healthier way to protect your cabbages and that is to grow your crop under a fine net.
You can make a frame yourself or buy one and many gardening suppliers sell suitable netting. It can be a little expensive, but it will last for years.
The net allows water through and the air to circulate, but keeps the butterflies out without killing them.
To weed and harvest, just lift the net up.
When harvesting your brassicas, leave the root in the ground with a few leaves still attached. In a few weeks time you will find you have tiny cabbages sprouting out from the stump which can be used as spring greens in late summer!
This is a guide about growing brassicas. The plants in this genus are members of the mustard family and include, cabbage, broccoli, kale, Brussels sprouts, and cauliflower.
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Can you grow cabbage in a pot?
Hardiness Zone: 7a
I am, but they haven't turned into a head yet. Last year the ants ate them, and the leaf borers got in. This year I surrounded them with marigolds and the leaf borers got them instead. Mine are in separate pots which I made from old wastebaskets.
Cantate in Japan
How do I deal with green fly and cabbage butterflies?
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My husband and I live in Extreme Northern California. We live off grid and our home is powered by solar panels and a wind generator. We have recently erected a large green house to grow our garden in since the growing season here is so short and harsh. It has been a great success producing many pounds of vegetables including this 13 pound cabbage
A photo of my son Joseph with a "cabbage as big as his head" grown in our last year's garden.