Bractless Hedgehyssop

Gratiola ebracteata

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Plantaginaceae
Genus:
Gratiola
Species:
Gratiola ebracteata
USDA Symbol:
GREB

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
15 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug
Bloom Colors:
white, yellow
Ground Cover:
Yes

Soil Requirements

Soil Type:
moist, sandy to loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
often found in wetland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Seeds require light for germination; surface sow and keep consistently moist.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Source: npn.rngr.net