Rosaceae
Geum rossii var. turbinatum
Geum rossii var. turbinatum var. turbinatum
Also known as Acomastylis rossii subsp. turbinata, Acomastylis turbinata f. arapahoensis, Acomastylis turbinata, Sieversia turbinata
Flowering Plants · Native Plants · Geum Rossii · Alpine Avens · Rock Garden · Alpine Perennial · Colorado Native · Yellow Flowers · Rosaceae · High Altitude · Compact Perennial · Pollinator
Ross's avens is a compact alpine perennial native to high-elevation meadows in Colorado and New Mexico, making it an excellent choice for rock gardens and alpine troughs. It prefers cool temperatures, partial shade, and consistently moist but well-drained soil. Minimal fertilization is needed — simply keep the growing area weed-free and enjoy its bright yellow flowers in early summer.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water thoroughly until moist throughout the root zone, then allow the top inch of soil to dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 4.5–5.6
- Temperature
- -35°F to 85°F
- Cycle
- Perennial
Hardiness
USDA 3b-8b
Form & growth
Mature size and habit
- Mature height
- 12 in – 2 ft
- Spread
- 18 in
- Spacing
- 12 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Colorado, New Mexico
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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