Space plants 18 to 24 inches apart and rows three feet apart. Brussel Sprouts will not grow good "sprouts" in warm areas - they open and are floppy. As the seedlings are hardening off, prep the garden for transplanting. My plants got about 30+" tall and started to put on sprouts in early October. Planting brussels sprouts. They must be started indoors 4 weeks before your last frost date. Brussels sprouts. Protection from strong winds is desirable, as large, heavy-cropping plants may otherwise get blown over. Mature plants can withstand temperatures as low as 25°F (-4°C). Brussels sprouts are relatively easy to grow and take up little space in the garden. The sprouts never did get very big, maybe the size of a large marble but there were a lot of them. Brussels sprouts prefer to be grown in an open, sunny position, but will tolerate light shade. Brussels sprouts were first recorded as a spontaneous sport from a cabbage plant found in the Brussels region of Belgium around 1750. The way to get the best out of any plant, especially if you're just beginning to learn how to grow brussel sprouts, is to regularly observe their growing characteristics. For winter use in very cold areas, dig up plants that have heads developed and set close together in a cold frame or cellar. They need a soil with … How to grow Brussels sprouts Cultivation. Brussels sprouts can also be grown in USDA zones 4-7 but with harsher winters, but caring for Brussels sprouts in winter requires a greenhouse. Brussels sprouts touched by frost just before … Brussel Sprouts will not grow good "sprouts" in warm areas - they open and are floppy. Brussels sprouts grow best in full sun and fertile soil. A stalwart among winter vegetables in cool temperate climates, they taste much better when harvested from the garden after being frosted than when bought from the shop. I like to dig in a few inches of compost or aged manure before planting as well as a granular organic fertilizer or kelp meal. In warm areas they are likely to be infested with aphids Pick formed sprouts from the bottom of the stems leaving the plant growing. For winter use in very cold areas, dig up plants that have heads developed and set close together in a cold frame or cellar. You'll notice what time of the season potential pests and diseases begin to appear or when staking is required, and best of all - … _____ Brussels Sprout History. In warm areas they are likely to be infested with aphids Pick formed sprouts from the bottom of the stems leaving the plant growing. They are a cool-season veggie and can withstand freezes for short periods of time, but sustained cold snaps and burial in snow won’t result in winter sprouts. Some of the sprouts higher up on the stalk never did firm up. Brussels sprouts require a long growing season—90 to 120 days. This is a long season crop planted in spring for a fall harvest. Can I Grow Brussels Sprouts? One of the plants stalk kind of grew sideways and that plant never did put on sprouts. Commonly Brussels sprouts are planted in late spring to mid-summer for harvest in fall.