Answer: Brussels sprouts do tend to naturally look a bit leggy by the time they are ready to be conditioned and transplanted to the garden. If grown indoors, the sturdiest transplants will be thinned promptly to one per cell and kept under supplemental lights for about 14 to 16 hours a day. The plants should be just a few inches away from the bulbs. Since these plants are a cool weather crop and yet take a long time to mature and bear, they are usually started in May, planted out in July or August and harvested in the fall. This way they can be harvested after frost when they taste sweetest.
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