Stalkflower

Ammannia grayi

Native to:
Mexico, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Lythraceae
Genus:
Ammannia
Species:
Ammannia grayi
USDA Symbol:
NELO2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
white, pink

Garden & Ecology Notes

Wildlife Value:
waterfowl

Soil Requirements

Soil Type:
moist, nutrient-rich, clay or loam
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wetland areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily on moist mud or in shallow water. Requires light for germination.

The above propagation data sourced from Claude AI