Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Hypericaceae

Genus:

Hypericum

Species:

Hypericum densiflorum

USDA Symbol:

HYDE

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

yellow

Landscaping Shrub:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★★★★★ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, birds

Soil Requirements

Soil Type:

moist, well-drained sandy loam

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

prefers wetland areas, often found near streams

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds germinate after cold stratification; surface sow on moist medium.