Botanical illustration of Flax (Linseed)
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🌱 Flax (Linseed)

Linum usitatissimum
fibers annual
☀️ Sun
full sun
💧 Water
moderate
🗺️ Zones
[3,4,5,6,7,8,9]
🧪 Soil pH
6.0-7.5
🪴 Soil Type
well-drained, sandy loam
📏 Spacing
4-6 inches (fiber); 8-10 inches (seed)
📐 Height
2-4 ft
⏱️ Maturity
90-110 days (fiber); 100-120 days (seed)

🤝 Companions (3)

🤝 Buckwheat
Shared growing conditions; buckwheat suppresses weeds
🤝 Carrot
Flax exudates repel carrot rust fly
🤝 Potato
Improves potato flavor; deters Colorado potato beetle

⚠️ Keep Apart (1)

⚠️ none — but avoid planting same spot consecutively (flax-sick soil)

📝 Growing Notes

One of humanity's oldest crops. Beautiful sky-blue flowers. Flax fiber stronger than cotton, cooler in summer.

🛒 Buy Seeds & Plants

Baker Creek Heirloom Seeds Johnny's Selected Seeds Botanical Interests True Leaf Market Burpee Territorial Seed Company

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