Perennial flower
Perennial Flax plant profile
Linum perenne
A perennial flower for full sun.
Last updated .
When to plant
When to plant Perennial Flax
Propagate perennial flax with seed or with stem cuttings taken in summer; division is not advised because the root system is sparse (NC State). Grow in full sun or partial shade in well-drained soil, which is essential.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Perennial Flax in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Soil pH
- 6 to 8
- Lifecycle
- Perennial
- Spacing
- 12 to 36 in apart
- Hardiness
- Zones 5a to 8bFind my hardiness zone
Common problems
Watch for these
Also watch for: grasshoppers.
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Linum perenne (Perennial Flax)
North Carolina Extension Gardener Plant Toolbox. Supports general reference. Checked 2026-06-18.