Answer: Your Brussels sprout plants will grow a long stem, where the sprouts will develop. The plant will look a little like a palm tree - leaves on top, long stem, and then little sprouts. Harvest sprouts when they're about on to one and a half inches in diameter. Brussels sprouts are a cool-season plant and prefer to mature in the fall or early spring months. If your plants bolt instead of producing sprouts, it's because the weather is too warm. Good luck!
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