Lewis Flax
Linum lewisii
Essentials
At a Glance
Plant Type
Perennial
Height
18 inches
Width
12 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Low
Humidity
Average
Lifespan
Perennial
Native To
Western North America
Toxicity
Non-toxic
The Story
Plant Bio
Linum lewisii is a perennial wildflower known for its delicate blue flowers and slender stem. It is a low-maintenance plant that thrives in well-drained soil. This species is native to North America and is resistant to drought once established, making it a great choice for xeriscaping.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-draining soil in early spring for best germination.
- Mist cuttings lightly and keep soil moist during root development.
- Allow plants to establish for 6 weeks before watering deeply.
- Mulch around plants to retain moisture and suppress weeds.
- Prune dead or damaged stems in late winter to encourage new growth.
- Transplant seedlings in early spring or fall for optimal growth.
Pro Tip
Ensure soil is well-draining to prevent root rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Provide full sun for optimal flowering
- Deadhead spent blooms to encourage more flowers
- Apply a balanced fertilizer in early spring
- Mulch to conserve moisture and regulate soil temperature
Don't
- Avoid overwatering to prevent root rot ❌
- Don't plant in heavy clay soil without amendment
- Refrain from fertilizing late in the season
- Avoid excessive pruning in late fall
- Don't forget to remove weeds around plants
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Propagate | ||||||||||||
| Prune |
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
Lewis Flax questions
What zones can Lewis Flax grow in?
Lewis Flax is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Lewis Flax deer resistant?
Yes — Lewis Flax is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Lewis Flax bloom?
Lewis Flax typically blooms in late spring to summer through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Lewis Flax need full sun?
Lewis Flax does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Lewis Flax drought tolerant?
Yes — once established (usually after the first full season), Lewis Flax handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
