Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Hypericaceae

Genus:

Hypericum

Species:

Hypericum boreale

USDA Symbol:

HYBO2

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

40 cm

Light Requirements:

Part Shade

Drought Tolerance:

Low

Bloom Months:

jul,aug,sep

Bloom Colors:

yellow

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:

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

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

bees, small insects

Deer Resistant:

Yes

Soil Requirements

Soil Type:

wet, nutrient-poor, sandy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

commonly found in bogs and wet meadows

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–42 days

Notes:

Seeds require light for germination; surface sow and keep moist.

The above propagation data sourced from Claude AI