Brussels Sprout Seeds, Red Rubine
Red Rubine Brussels Sprouts in a ceramic bowl with leaves in an arrangement on a white background.
A micro view of a couple of Red Rubine Brussels Sprouts on a white background.
A micro view of a trio of Red Rubine Brussels Sprouts on a purple leaf.
A bowl full of freshly picked Red Rubine Brussels Sprouts resting on a bed of purple leaves.
A single edible leaf from a Red Rubine Brussels Sprouts plant on a white background.
Brussels Sprout Seeds, Red Rubine
Red Rubine Brussels Sprouts in a ceramic bowl with leaves in an arrangement on a white background.
A micro view of a couple of Red Rubine Brussels Sprouts on a white background.
A micro view of a trio of Red Rubine Brussels Sprouts on a purple leaf.
A bowl full of freshly picked Red Rubine Brussels Sprouts resting on a bed of purple leaves.
A single edible leaf from a Red Rubine Brussels Sprouts plant on a white background.

Brussels Sprouts Seeds,
Red Rubine

2.812 ReviewsSKU: #BS106Min. seed count: 100
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Description

(Brassica oleracea). The word ‘rubine’ means ‘ruby’ or 'ruby colored,' and this hard-to-find Brussels sprout variety really is a gem. It’s believed to have been developed in the Netherlands in the mid-20th century by crossing the Brussels sprout with red cabbage. The result is a stunning purple-red sprout that will have garden visitors doing a double take! Like all Brussels sprouts, they produce their best-tasting heads in cool weather. 

Growing Tips: Red Rubine Brussels sprouts are a striking heirloom variety with purple-red sprouts that thrive in cool weather. They need consistent moisture and benefit from rich, well-drained soil. Mulching and regular feeding will support their growth and enhance color development, particularly in cooler temperatures.

Plant Details

Botanical Name
Brassica oleracea
Life Cycle
Biennial
Sun Requirement
Full sun
Days to Germinate
7–10
Days to Maturity
90
Planting Depth
¼–½ in.
Plant Spacing
24 in.
Ideal Temperature
50–75°F
Frost Hardy
Yes

When to Grow

Start seeds in late spring, roughly 118 to 132 days before your first expected fall frost, and transplant when the seedlings are 4-6 weeks old so the plants still get their full 90 days in the garden. Red Rubine is particularly well-suited for fall harvests, as cooler weather intensifies the color and flavor. If you're not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

Sow seeds 1/4 inch deep in seed trays or pots filled with quality seed-starting mix. Maintain soil temperatures between 50-75 F for optimal germination, which takes 7-10 days. Transplant seedlings into the garden when they have two sets of true leaves, spacing them about 24 inches apart, with rows 24-36 inches apart.

How to Grow

Plant Red Rubine Brussels sprouts in full sun and well-drained soil with a pH of 6.5-7.5. Ensure regular watering and feed with a balanced fertilizer every few weeks. As plants mature, remove lower leaves to promote sprout development. Harvest sprouts when they reach 1-2 inches in diameter, starting from the bottom of the stalk.

How to Save Seeds

Red Rubine Brussels sprouts are biennials, meaning they flower in their second year. To save seeds, let some plants overwinter in the garden. In spring, they will produce flowers and seed pods. Once the pods dry, harvest and thresh the seeds. Store seeds in a cool, dry place.

FAQ

How long does it take for Red Rubine Brussels sprouts to mature?

They generally mature in about 90 days after transplanting.

Do Red Rubine Brussels sprouts taste different from green varieties?

Yes, they often have a slightly nuttier flavor, and their taste can be enhanced by cooler temperatures.

Are Red Rubine Brussels sprouts frost-tolerant?

Yes, they are frost-tolerant, and their color and flavor improve after a light frost.

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