
Common Flax
Linum usitatissimum
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Annual
Height
24 inches
Width
10 inches
Light
Full Sun
Water
Moderate
Humidity
Average
Lifespan
Annual
Native To
Eurasia
Toxicity
Unripe seed pods are poisonous.
The Story
Plant Bio
Linum usitatissimum, commonly known as flax, is valued for its seeds and fibers. It has narrow, lanceolate leaves and produces delicate blue flowers. Known for being a source of linseed oil and fiber, which have various industrial and culinary uses.
Uses & Benefits:
Marketplace
Where to Buy
We couldn't find this plant listed online right now.
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds about 1/4 inch deep into well-drained soil.
- Water regularly to keep soil moist but not soggy.
- Thin seedlings to 12 inches apart once established.
- Mist cuttings to encourage root development in spring.
- Harvest seeds when pods turn brown and dry in late summer.
- Divide plants in early spring for increased yield.
Pro Tip
Plant in full sun and well-drained soil for optimal seed production.
Keep It Thriving
Care Guide
Do
- Water consistently during dry periods ๐ฑ
- Prune to improve airflow and prevent disease
- Fertilize with a balanced fertilizer in early growth
Don't
- Don't overwater to avoid root rot โ
- Avoid planting in heavy, waterlogged clay soils
- Do not disturb roots during flowering
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Harvest | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Common Flax questions
Is Common Flax deer resistant?
Yes โ Common Flax is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Common Flax bloom?
Common Flax typically blooms in late spring to mid-summer through late summer. Exact timing shifts a week or two with your zone โ Sow's bloom calendar maps it to your garden.
Does Common Flax need full sun?
Common Flax does best in full sun (6+ hours).
Is Common Flax drought tolerant?
Yes โ once established (usually after the first full season), Common Flax handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

