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Beet Seeds, Winter Sun (Wintersonne)
(Beta vulgaris). Golden beets just got sweeter. From the breeders at Sativa Rheinau in Switzerland, Wintersonne brightens up the plate and lights up the palate with its royally gold, sugary flesh. An all-round kitchen superstar but the sweet earthy tones are ideal for grating raw into salads for some extra crunch, similar to a carrot. These rapidly growing, uniform, globe-shaped beets adorn rich burnt-orange skin, yet on the inside showcase a delicate display of sunshine yellow and cloudy white concentric rings. Robust, resilient and adaptable to different soil types.
- Sprouts in 5–10 days
- Days to harvest: 60–70 days
- Full to partial sun: 6–8 hours
- Planting depth: 1/2 inch
- Plant spacing: 2 to 4 inches
- Ideal temperature: 50°F to 75°F
- Frost hardy? Yes
Growing Tips
Winter Sun beets are specially bred for cool-season harvests and overwintering. Choose loose, loamy soil with good drainage to prevent rot. Water regularly and apply mulch to insulate roots and retain soil moisture in cooler months.
When to Grow
Sow seeds in late summer to early fall for a reliable winter crop, or in early spring where winters are harsh. These beets tolerate light frost and can overwinter in mild climates. 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
Plant seeds 1/2 inch deep in rows 12–18 inches apart. Space seeds 1 inch apart initially, and thin seedlings to 2–4 inches once established. Pre-soaking seeds overnight improves germination in cool soil.
How to Grow
Thin early for larger roots and reduce crowding. Keep soil consistently moist, especially during dry fall spells. Protect overwintered crops with row covers in extremely cold zones to extend harvest into early spring.
How to Save
- Beets are biennial and produce seeds in their second year.
- Allow selected beets to overwinter in-ground or store roots and replant in spring.
- Choose uniform, disease-free roots for seed production.
- Permit flowering and let seeds mature on the plant.
- Harvest once seed stalks are brown and dry.
- Clean and store seeds in an airtight container in a cool, dry location.
FAQ
Are Winter Sun beets good for overwintering?
Yes, Winter Sun (Wintersonne) beets are bred for late-season planting and can overwinter in the ground in USDA zones 6 and up. Mulch heavily to protect roots.
Do Winter Sun beet greens taste good?
Absolutely! Winter Sun beet greens are tender and mildly sweet, especially when young. Harvest selectively to encourage continued root development and a longer harvest window.
What makes Winter Sun beets different from other varieties?
Winter Sun beets are known for their cold tolerance, making them ideal for fall sowing and winter harvests. They resist bolting and maintain sweet flavor in cooler soil.