Linum usitatissimum
annual

Common Flax

Linum usitatissimum

Not currently listed at our partner nurseries.

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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:

Ornamental UsesLinum adds delicate blue or yellow hues to flower beds and meadows, attracting pollinators.
Practical UsesSeeds provide oil used in cooking and linseed products.
Ecological BenefitsSupports beneficial insects and promotes biodiversity in natural landscapes.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

  1. Tuck seeds about 1/4 inch deep into well-drained soil.
  2. Water regularly to keep soil moist but not soggy.
  3. Thin seedlings to 12 inches apart once established.
  4. Mist cuttings to encourage root development in spring.
  5. Harvest seeds when pods turn brown and dry in late summer.
  6. 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 ๐ŸŒฑ
  • 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Œ
  • Avoid planting in heavy, waterlogged clay soils
  • Do not disturb roots during flowering

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Harvest
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Wildflower meadowDrought-tolerant borderNaturalistic prairie planting

Companion Plants

Cornflower Yarrow Sunflower Lavender

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.

Keep exploring

Grow Common Flax with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.

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