Eyebright

Euphrasia ×aequalis

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Scrophulariaceae
Genus:
Euphrasia
Species:
Euphrasia ×aequalis

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
25 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
white, purple

Native Range

United States

Soil Requirements

Soil Type:
moist, well-drained, nutrient-rich soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Often found in grasslands and open woodlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Hemiparasitic; requires host plant roots for successful establishment. Seeds need light for germination.

Propagation data sourced from Claude AI