When does Blue Flax bloom?

Blue Flax blooms from May through July, producing small, five-petaled blue flowers that open in the morning and typically drop by afternoon.

What pollinators visit Blue Flax?

Blue Flax attracts various native bees and butterflies. The flowers provide nectar and pollen for these important pollinators during the summer months.

Where is Blue Flax native?

Blue Flax is native to Minnesota and other northern Great Plains states, where it grows naturally in prairies and open grasslands.

How much water does Blue Flax need?

Blue Flax is very drought tolerant once established and requires minimal watering. It performs well in dry conditions and can struggle in overly wet soils.

Is Blue Flax HOA-friendly?

Blue Flax is generally an HOA-friendly choice in the right placement, with low maintenance.

Blue Flax

Name: Pollinator Patch
Author: Pollinator Patch

Linum perenne

Last reviewed: September 2026

Blue Flax (Linum perenne) is a perennial forb native to CA, CO, ID, KS and 9 more states. It blooms in May, June, and July. The flowers draw bees and butterflies.

Toxicity unknown

Blue Flax (Linum perenne) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

12"–24" H × 12"–18" W

Bloom

May, Jun, Jul

Native to

CA, CO, ID, KS and 9 more states

Pollinators

bees, butterflies

Native alternatives to Blue Flax

Blue Flax is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

North American Deserts Northwestern Forested Mountains Central Basin and Range Mojave Basin and Range Southern Rockies Arizona/New Mexico Mountains High Plains Southwestern Tablelands Northwestern Glaciated Plains

Blue flax produces delicate sky-blue flowers on slender stems from late spring through summer. This compact perennial has fine, narrow leaves and a graceful, airy appearance that works well in prairie-style gardens and rock gardens.

Growing Blue Flax

Grow Blue Flax in full sun and low water. Mature plants reach 12 to 24 inches tall and spread 12 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Blue Flax is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Individual flowers last only one day
Can appear sparse when not blooming

Wildlife value

The bright blue flowers attract native bees and butterflies throughout the blooming season. Seeds provide food for birds, particularly goldfinches.

Common questions

When does Blue Flax bloom?: Blue Flax blooms from May through July, producing small, five-petaled blue flowers that open in the morning and typically drop by afternoon.
What pollinators visit Blue Flax?: Blue Flax attracts various native bees and butterflies. The flowers provide nectar and pollen for these important pollinators during the summer months.
Where is Blue Flax native?: Blue Flax is native to Minnesota and other northern Great Plains states, where it grows naturally in prairies and open grasslands.
How much water does Blue Flax need?: Blue Flax is very drought tolerant once established and requires minimal watering. It performs well in dry conditions and can struggle in overly wet soils.
Is Blue Flax HOA-friendly?: Blue Flax is generally an HOA-friendly choice in the right placement, with low maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Blue Flax? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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