Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Hypericaceae

Genus:

Hypericum

Species:

Hypericum calycinum

USDA Symbol:

HYCA10

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub , Subshrub

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

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)

Reported Fauna Sightings

Garden & Ecology Notes

Wildlife Value:

bees

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from roots after fire or cutting; used for slope stabilization.

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky and sandy soils in open woodlands

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