Sullivant's Coolwort

Sullivantia sullivantii

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Saxifragaceae
Genus:
Sullivantia
Species:
Sullivantia sullivantii
USDA Symbol:
SUSU3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
may,jun,jul
Bloom Colors:
white

Garden & Ecology Notes

Deer Resistant:
Yes

Soil Requirements

Soil Type:
moist, rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers shaded, rocky outcrops or cliff sides

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–42 days
Notes:
Seeds are tiny and require light for germination; surface sow and keep consistently moist.

The above propagation data sourced from Claude AI