Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Euphrasia

Species:

Euphrasia hudsoniana

USDA Symbol:

EUHU2

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

20 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jun,jul,aug

Bloom Colors:

white, purple

Soil Requirements

Soil Type:

sandy, acidic, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

often found in alpine and subalpine regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Notes:

Hemiparasitic; requires host plant roots for successful establishment. Germination is often erratic.