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Brussels Sprout Seeds

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Peaceful Valley Fulfilled by Seedtime
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Darkmar 21 is a robust European heirloom Brussels sprout producing long, upright stalks lined with firm, tight, dark blue-green buttons that have a...

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Organic
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High Mowing Fulfilled by Seedtime
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A highly productive F1 Brussels sprouts delivering firm, flavorful buttons on strong, upright stalks with outstanding uniformity. Excellent cold to...

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Heir/OP
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MIgardener Fulfilled by Seedtime
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Catskill Brussels Sprout is a cold-hardy New York heirloom from 1941 that produces ping-pong ball-sized sprouts along sturdy 2-foot stalks with a f...

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Organic
Original price $4.35 - Original price $4.35
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$4.35
$4.35 - $4.35
Current price $4.35
High Mowing Fulfilled by Seedtime
in stock

An early, reliable F1 Brussels sprouts variety producing firm, well-flavored buttons on strong, sturdy stalks perfect for both stalk and loose harv...

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Original price $4.35 - Original price $4.35
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$4.35 - $4.35
Current price $4.35
Heir/OP
Original price $2.20 - Original price $2.20
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$2.20
$2.20 - $2.20
Current price $2.20
MIgardener Fulfilled by Seedtime
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Long Island Brussels Sprout is a semi-dwarf heirloom introduced in the late 19th century that produces tasty, tight sprouts on compact, self-suppor...

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Brussels Sprout Seeds for Planting: Heirloom and Hybrid Varieties

Brussels sprouts are a rewarding crop for gardeners who enjoy a long season and a late harvest. A single plant grows a tall stalk lined with dozens of tiny, tight cabbage-like buds, and picking them fresh from the garden in autumn is a real treat. Our collection of brussels sprout seeds includes a hardy New York heirloom, a classic dark green British variety, and disease-resistant hybrids, so you can choose by flavor, size, and the length of your growing season. Growing brussels sprouts from seed gives you a wider choice of varieties than most nurseries offer, and it costs only a few dollars per packet.

Brussels Sprouts Seeds for Sale: Catskill, Long Island, Darkmar 21, Nautic, and Dagan

When you browse brussels sprouts seeds for sale, you're picking between old standards and modern hybrids. Catskill is a cold-hardy New York heirloom from the 1940s, with a sturdy, compact stalk, and Long Island is a similar classic that has been grown for generations and holds up well in cold climates. Darkmar 21 is an old open-pollinated variety known for its dark green sprouts and rich, nutty flavor, and it grows tall and vigorous.

If you want uniform, reliable harvests, Nautic F1 and Dagan F1 are hybrids that produce tight, even sprouts and have good disease resistance. Nautic takes about 120 days to mature, so it's best in regions with a long growing season. Several varieties here are heirloom and open-pollinated, which means you can save your own seed from your best plants.

Growing Brussels Sprouts from Seed: Plan Backward from Fall

Brussels sprouts need a long, cool season, so the key is to work backward from your first expected fall frost. Most varieties need roughly 90 to 120 days from transplanting to harvest. For a fall crop, start seeds indoors in late spring or early summer, about four to six weeks before you plan to transplant, sowing them a quarter inch deep. Transplant sturdy seedlings into the garden in midsummer, setting them 18 to 24 inches apart in full sun and firm, fertile soil. Brussels sprouts are heavy feeders, so mix compost into the bed first and water regularly through the heat of summer. The Seedtime planting calendar works out your seed-starting and transplant dates from your frost dates, and the layout planner helps you give each plant the space it needs.

Buy Brussels Sprout Seeds with One Flat Shipping Rate

When you order brussels sprout seeds here, you can combine packets from different suppliers in one order and pay one flat shipping rate rather than a separate shipping charge for each supplier. Seedtime members also get discounts on seed packets, so if you're planning a full fall garden, compare Seedtime's plans to see what membership includes.

Frequently Asked Questions

Why are my brussels sprouts loose and leafy instead of tight?

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Loose sprouts usually come from warm weather during sprout formation, loose soil, or too much nitrogen. Sprouts form best when nights turn cool in fall, and plants grow tighter buds in firm soil, so press down the soil around the base of each transplant. Avoid heavy nitrogen feeding late in the season, which leads to leafy growth. Crowded plants also form looser sprouts.

Should I top brussels sprout plants and remove the lower leaves?

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Both can help. About three to four weeks before you expect to finish harvesting, cut off the growing tip at the top of the stalk. This redirects the plant's energy into swelling the sprouts instead of growing taller. Remove yellowing lower leaves as they appear, which improves airflow and makes sprouts easier to reach, but leave the leaves near the top, which feed the plant.

When should I harvest, and does frost matter?

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Start picking from the bottom of the stalk when the lowest sprouts are firm and about one to two inches across, then work your way up as the rest mature. Twist or snap each sprout off. A light frost is a bonus, because cold converts starches to sugar and makes sprouts sweeter, so there's no need to rush in at the first cold night. Plants will keep producing until hard freezes arrive.

Do brussels sprout plants need staking?

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Often, yes. Plants have shallow roots and grow tall and top-heavy, so they can lean or topple in wind or wet soil. Hill soil around the base of the stalk when plants are young, and tie taller plants to a stake or bamboo pole. Compact varieties usually hold themselves up better than tall ones.

What pests should I watch for on brussels sprouts?

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Cabbage worms, aphids, and flea beetles are the most common. Cover young plants with lightweight row cover right after transplanting to keep moths and beetles from reaching the leaves. Check the undersides of leaves regularly, and handpick caterpillars. Aphids often collect in the crowns and sprout clusters, and a strong spray of water knocks them off.