Flax
Linum usitatissimum • Linaceae
🌱 Seed Category
Herb / Grain / Flower
🌍 Origin Region
Mediterranean region and Western Asia; widely adapted to temperate climates
📅 Days to Maturity
90-110 days for seed harvest; blooms usually appear 50-60 days after planting.
🌡️ Hardiness Zones
USDA Zones 3-10; grown as a cool-season annual in most regions.
About This Seed
The seeds are small (4-6mm), flat, oval-shaped with a pointed tip, and possess a smooth, glossy reddish-brown coat. When soaked, they develop a mucilaginous outer layer. The plant grows to 2-3 feet tall with slender stems, narrow grayish-green leaves, and charming five-petaled pale blue flowers.
Growing Information
Growing Season
Cool season; best planted in early spring or late summer
Germination
7-14 days; 60-70°F (15-21°C). No pre-treatment required. High germination rate. Light helps but is not strictly required.
Planting Instructions
Planting depth: 1/8 to 1/2 inch. Spacing: 1 inch apart for fiber, 4-6 inches for seed production. Prefers well-drained, fertile loamy soil with pH 6.0 to 7.5.
Sunlight & Water Needs
Full Sun (at least 6-8 hours); moderate water needs, keep soil moist but not waterlogged; moderate drought tolerance once established.
Companion Plants
Beneficial companions include potatoes and carrots (may help deter certain pests). Avoid planting near large, aggressive weeds that can outcompete its slender stalks.
Special Characteristics
Rich in Omega-3 fatty acids and fiber; pollinator-friendly; used for both culinary seeds and linen fiber production; features highly decorative blue flowers.