St. Johnswort

Hypericum moserianum

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Clusiaceae
Genus:
Hypericum
Species:
Hypericum moserianum
USDA Symbol:
HYMO2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
yellow
Ground Cover:
Yes
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Keystone Species Ranking

Caterpillar Keystone:
★★★☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to areas with well-drained soils

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–42 days
Notes:
Seeds require light for germination. Surface sow and do not cover.

The above propagation data sourced from Claude AI