Darkmar 21 Brussels Sprouts Seeds (Organic)

Darkmar 21 Brussels Sprouts (Brassica oleracea) is a reliable, easy-to-grow open-pollinated variety that forms firm, sweet, dark green sprouts along tall stalks. Cold tolerant and productive, the plants reach about 3-1/2 feet and the sprouts sweeten after a light frost.

At a glance

• Variety: Darkmar 21 Brussels sprouts (Brassica oleracea)
• Type: Biennial, open-pollinated, organic
• Days to maturity: 180-260 days
• Sun: Full sun
• Spacing after thinning: 18" to 24"
• Planting depth: 1/4" to 1/2"
• Germination: 6-10 days
• Height at maturity: 42"
• Approx. seeds per pack: 25 (9,045 per oz bulk)

Best for

• Fall and winter vegetable gardens
• Cold-climate growers wanting frost-sweetened sprouts
• Gardeners of all experience levels
• Long-season, high-yield plantings
• Roasting, steaming, and sauteing

How to grow

Sow 1/4" to 1/2" deep at a soil temperature of 60 to 65°F, in full sun and well-draining soil. Germination takes 6-10 days. Thin or transplant to 18" to 24" apart. Harvest sprouts from the bottom of the stalk upward; cool weather and light frost improve their flavor.

Flavor profile

Sweet and mild, growing richer after a light frost. Enjoy roasted, steamed, or sauteed.

About Grow Organic

Grow Organic offers organic and heirloom seeds alongside natural growing supplies, helping gardeners raise nutritious food with earth-friendly methods.