Flax

Herbaceous

Flax

Linum usitatissimum

Also known as: Linseed

Herbaceous Linaceae FiberEdibleCover CropPollinator
Hardiness Zone
2-9
Ideal Temp
55–75°F
Survives Down To
-30°F
Life Cycle
Annual

Flax is the skinny blue-flowered annual that gave us linen and linseed oil long before fast fashion and industrial seed oils pretended they invented fiber and fat. In a homestead row it is a short, upright crop with delicate five-petaled flowers that honeybees actually notice. Classic fiber flax prefers cool establishment; in warm climates run it as a cool-season or early-spring annual or accept shorter stems when heat arrives early. Seed (linseed) types tolerate more heat than fussy long-fiber lines. ☀️💧 Sun and Water Requirements: Full sun, well-drained soil. Drought-tolerant once established but wants even moisture during germination and early stem elongation—do not let seedlings crust over. ✂️ Propagation: Direct-seed; barely cover seed. Thin for fiber stands; leave more space for heavy seed heads if you are after oilseed. 🌾 Harvest / Best Use Timing: Pull for fiber when stems yellow; combine for linseed when capsules rattle—timing follows fiber versus oil goals.

Good Neighbors
  • Oats
  • Small grains
  • Low-growing legumes
Cautions
  • Heavy clay that waterlogs during sprouting
  • Shady tree lines that encourage lodging
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Cutworms
Noctuidae
Flea Beetles
Alticini