Heteropappus altaicus

Aster altaicus

Native to:
Afghanistan, China, India, Iran, Kazakhstan, Kirgizstan, Korea, Nepal, North Caucasus, Pakistan, Russia, Tadzhikistan, Taiwan, Transcaucasus, Turkmenistan, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Aster
Species:
Aster altaicus
USDA Symbol:
HEAL15

Growth Characteristics

Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep
Bloom Colors:
purple, blue, lavender

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, beneficial insects
Deer Resistant:
Yes

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky slopes and grasslands

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination; surface sow or barely cover with fine substrate.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. If no germination in 3 months, try 4C 1-2 months, then 20C again. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society