General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Partial or Dappled Shade
Water Preferences: Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 10b +1.7 °C (35 °F) to +4.4 °C (40 °F)
Plant Height: 4 inches (10 cm)
Leaves: Evergreen
Flowers: Showy
Flower Color: Purple
Bloom Size: Under 1"
Flower Time: Summer
Late summer or early fall
Inflorescence Height: 3-4 inches
Foliage Mound Height: 1-3 inches
Underground structures: Taproot
Suitable Locations: Houseplant
Propagation: Other methods: Cuttings: Leaf
Containers: Needs excellent drainage in pots

Image
Common names
  • Petrocosmea

Photo Gallery
Location: Royal Botanic Gardens, Kew
Date: 2017-10-10
Location: RHS Harlow Carr alpine house, Yorkshire
Date: 2017-10-05
Location: Royal Botanic Gardens, Kew
Location: RHS Harlow Carr alpine house, Yorkshire, UK
Date: 2021-10-10
Location: RHS Garden Wisley
Date: 2023-07-22
Location: RHS Harlow Carr alpine house, Yorkshire
Date: 2017-10-05
Location: Royal Botanic Gardens, Kew
Location: RHS Harlow Carr alpine house, Yorkshire, UK
Date: 2020-08-22
Discussion Threads about this plant
Thread Title Last Reply Replies
Petrocosmea rotundifolias by sedumzz Oct 23, 2022 8:33 AM 0
Petrocosmea rotundifolia? by sedumzz Oct 23, 2022 1:44 PM 2

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