Eyebright

Euphrasia officinalis, Orobanchaceae

Zones

3–8

Lifespan

Annual

Growth

Slow

Growing Conditions

5.5 – 7.5

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Corydalis produces alkaloids that can inhibit growth of other small herbaceous plants like eyebright

Eyebright grows in USDA hardiness zones 3 through 8.

Good companions for Eyebright include Culvers Root.

Design guilds with Eyebright and see companion relationships visually.