Tuber Starwort

Torreyostellaria jamesiana

Native to:
United States
Tuber Starwort

Dave Powell, USDA Forest Service, Bugwood.org

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Caryophyllaceae
Genus:
Torreyostellaria
Species:
Torreyostellaria jamesiana
USDA Symbol:
PSJA2

Growth Characteristics

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

Soil Requirements

Soil Type:
rocky, well-drained sandy loam
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in open, rocky slopes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days

The above propagation data sourced from Claude AI