Cedarglade St. Johnswort
Hypericum frondosum
M.S. del, J.N.Fitch, lith.
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Hypericaceae
- Genus:
- Hypericum
- Species:
- Hypericum frondosum
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub
- Height:
- 8-12 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun, jul
- Bloom Colors:
- Yellow
- Landscaping Shrub:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Reported Fauna Sightings
Bees: Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Common eastern bumble bee (Bombus impatiens), Common eastern bumble bee (Bombus impatiens)
Soil Requirements
- Soil Type:
- rocky, well-drained, sandy loam
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky, open woodlands and hillsides
Germination Information
Pre-treatment: None required
Establishment: Mature fruit was hand harvested from populations of Hypericum frondosum growing within the confines of USDI-NPS controlled properties. Cedarglade St. Johnswort is common in the southeastern states of Tennessee, North and South Carolina, Georgia, Florida, Alabama Mississippi, Louisiana, and Texas. It has also been reported in Kentucky, Virginia, Indiana, New York, Connecticut, and Massachusetts.
Source: npn.rngr.net