Astilbe rivularis CC6857
in the 2018 seed distribution
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Seed list no
HP: Hardy Perennial
Terminal spikes green-yellow, part shade, 2400m
Cd: expose to winter cold (outdoors overwinter or in a refrigerator for 3 months)
SS: sow on the surface; do not cover - seed needs light to germinate
H4: -10 to -5°C, Hardy - average winter
N W Himalaya