Hypericum prolificum – Shrubby St. John’s Wort

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Quick Facts

Type: Deciduous Shrub
Native Range: Eastern North America
Native Status in NY: Native
Sun: Full Sun to Part Shade
Soil: Average to Dry, Well-Drained
Height: 3–5 ft
Bloom Time: July–August
Flower Color: Yellow
Spacing: 3–4 ft
Deer Resistance: High
Pollinator Value: High

Description

Shrubby St. John’s Wort is a dense, rounded native shrub with small blue-green leaves and bright yellow flowers with showy stamens that bloom in mid to late summer. The flowers provide an important nectar source for pollinators during the heat of summer when fewer shrubs are in bloom. This adaptable species tolerates drought, poor soils, and urban conditions once established, making it a reliable and low-maintenance addition to native plant landscapes.

Ecological Benefits 🐝

Wildlife Value

Important summer nectar source

Attracts many native bees

Supports beneficial insects

Provides cover for small wildlife

Improves pollinator diversity in gardens

Known Associations

Bumblebees

Sweat bees

Small carpenter bees

Hoverflies

Butterflies

Garden Uses

Pollinator gardens

Native plant gardens

Foundation plantings

Naturalized areas

Dry slopes and banks

Low-maintenance landscapes

Why We Grow It

We grow Shrubby St. John’s Wort because it is a tough, adaptable native shrub that produces bright yellow flowers when many plants have finished blooming. Its drought tolerance and pollinator value make it an excellent addition to New York native gardens.