Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Euphrasia

Species:

Euphrasia suborbicularis

USDA Symbol:

EUSU3

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

15 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jun,jul,aug

Bloom Colors:

white, purple

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:

prefers open, sunny habitats

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–42 days

Notes:

Hemiparasitic; requires host plant roots nearby for successful establishment. Seeds may require light for germination.