Beta vulgaris 'Detroit Dark Red'
Detroit Dark Red Beet
Cultivar of garden origin (species native to Mediterranean coast and Atlantic Europe)Overview
Beta vulgaris 'Detroit Dark Red' is an upright, clump-forming biennial root vegetable (grown as an annual) in the amaranth family (Amaranthaceae) reaching 12–18 inches (30–45 cm) tall with a 6–12 inch (15–30 cm) spread. This cultivar produces a globe-shaped root 2.5–3.5 inches (6–9 cm) in diameter with deep crimson-red flesh and smooth, dark red skin. The interior flesh is uniformly dark red with indistinct zoning (lighter rings are minimal compared to older open-pollinated beets). Leaves are dark green with burgundy-red veins and petioles, ovate to heart-shaped, 6–10 inches (15–25 cm) long. Both roots and greens are edible. Each beet "seed" is actually a multigerm cluster containing 2–4 seeds; thinning to 4 inches (10 cm) apart is necessary. Introduced in 1892 by D.M. Ferry & Co. and remains the standard open-pollinated red beet after 130+ years. The open-pollinated habit makes it a primary seed-saving teaching cultivar — beets are biennial, requiring two seasons to produce seed. Tolerates light frost; roots sweeten after exposure to temperatures below 40°F (4°C).
Native Range
The species Beta vulgaris is native to the Mediterranean coast and Atlantic Europe. 'Detroit Dark Red' was introduced in 1892 by D.M. Ferry & Company (Detroit, Michigan). It remains the most widely grown open-pollinated red beet worldwide after 130+ years of continuous cultivation.Suggested Uses
Planted in vegetable gardens, raised beds, and containers (3+ gallon). Roots are roasted, boiled, pickled, or eaten raw in salads. Greens are sautéed or added to soups. The primary open-pollinated beet for seed-saving education — the biennial seed production cycle, multigerm seed clusters, cross-pollination with chard, and isolation requirements are standard seed-saving curriculum. Included in root vegetable rotations and fall storage gardens.How to Identify
Appearance
Size & Dimensions
Height1' - 1'6"
Width/Spread6" - 1'
Bloom Information
Biennial; flowers in the second year after vernalization (extended cold exposure below 50°F / 10°C for 6+ weeks). Flower stalks reach 36–48 inches (90–120 cm) with small greenish flowers in branching spikes. For seed saving, roots are overwintered in the ground (Pacific Northwest) or in cold storage, then replanted in spring. Beets cross-pollinate with other Beta vulgaris including chard and sugar beet; isolation distance of 0.5–1 mile (0.8–1.6 km) or alternate-day caging is required for seed purity.Detailed Descriptions
Flower Description
Greenish (second year only)Foliage Description
Dark green with burgundy-red veins and petioles; ovate to heart-shapedGrowing Conditions
Sun Requirements
Requires 4-10 hours of direct sunlight daily
• Full Sun: 6+ hours of direct sunlight
• Partial Shade: 3-6 hours of direct sunlight
• Full Shade: Less than 3 hours of direct sunlight
Care & Maintenance
Care Guide
Direct sow seeds 0.5 inch (1 cm) deep, 2–4 weeks before the last frost date, spacing 1 inch (2.5 cm) apart in rows 12 inches (30 cm) apart. Thin to 4 inches (10 cm) when seedlings reach 2 inches (5 cm) — thinnings are edible as microgreens. Successive sowings every 3 weeks extend the harvest from late spring through fall. Consistent moisture prevents woody texture and internal white zoning. Harvest roots at 2–3 inches (5–8 cm) diameter for tender texture; roots remain usable up to 4 inches (10 cm) but texture becomes coarser. In the Pacific Northwest, fall-sown beets mature slowly through winter for early spring harvest. Store harvested roots in damp sand at 32–40°F (0–4°C) for 3–5 months.Pruning
No pruning applicable. Harvest outer leaves for greens without removing the growing center to allow continued root development. Twist off tops 1 inch (2.5 cm) above the root crown at harvest to prevent bleeding.Maintenance Level
lowContainer Growing
✓ Suitable for container growing
Minimum container size: 3 gallons