Rosaceae
Rosa pisocarpa subsp. ahartii
Rosa pisocarpa subsp. ahartii
Flowering Plants · Native Plants · Trees & Shrubs · Native Rose · California Native · Rare Subspecies · Shrub · Part Shade · Rosaceae · Pink Flowers · Wildlife Habitat · Conservation · Endemic
Ahart's rose is an extremely rare subspecies of cluster rose endemic to a limited range in California and Oregon, making it a prized find for native plant enthusiasts. It prefers moist, well-drained soils in partial shade and benefits from consistent watering during dry summer months. Handle with care and source only from reputable native plant nurseries to support conservation efforts.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water at the base until soil is evenly moist, allowing the top 2 inches to dry between waterings · Every 7-14 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 5–7.3
- Temperature
- -40°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 3a-9b
Form & growth
Mature size and habit
- Mature height
- 3 ft – 10 ft
- Spread
- 6.7 ft
- Spacing
- 36 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- California, Oregon
- Attracts
- Bees, Butterflies, Birds
Sources: trefle, usda
More Rosa
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California rose
Rosa californica
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Full Sun · Moderate · Fast
Rosa virginiana subsp. virginiana
Rosa virginiana subsp. virginiana
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Rosa carolina subsp. carolina
Rosa carolina subsp. carolina
Partial Sun · Moderate · Moderate
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