General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Maximum recommended zone: Zone 9b
Plant Height: 4 inches
Plant Spread: 16 inches
Leaves: Evergreen
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Propagation: Seeds: Suitable for wintersowing
Sow in situ
Other info: These seeds germinate rapidly depending on species and origin. If germination does not occur after 3–4 weeks a cooling period of 2–4 weeks is recommended.
Propagation: Other methods: Division
Stolons and runners
Containers: Suitable in 1 gallon
Suitable in 3 gallon or larger
Suitable for hanging baskets
Needs excellent drainage in pots

Image
Common names
  • Alpine St. John's Wort
Botanical names
  • Accepted: Hypericum cerastoides
  • Synonym: Hypericum cerastioides

Photo Gallery
Location: My Garden, Utah
Date: 2014-05-02
Location: My Garden, Utah
Date: 2014-05-10
bees love it #Pollination
Location: my rock garden in St Louis
Date: 2023-05-19
Location: Oregon City, OR, zone 8
Date: 2022-05-11
Location: My Garden, Utah
Date: 2014-05-05

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