Asteraceae
Erigeron petrophilus var. sierrensis
Erigeron petrophilus var. sierrensis var. sierrensis
Flowering Plants · Native Plants · Fleabane · California Native · Sierra Nevada · Rock Garden · Asteraceae · Perennial · Wildflower · Alpine · Rare · Pollinator
Erigeron petrophilus var. sierrensis is a rare California Sierra Nevada native fleabane adapted to rocky, partially shaded outcrops and slopes. Provide well-drained, gritty soil with moderate moisture to best replicate its natural rocky habitat. This specialty plant is ideal for native California rock gardens and is rarely found outside specialist nurseries.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately, ensuring good drainage and allowing the top inch of soil to dry between waterings · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6.4–8.5
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 9 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- White
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- California
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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