Outdoor

Hypericum kalmianum (Kalm St. Johnswort)

Hypericum kalmianum, commonly known as Kalm St. Johnswort, is a deciduous shrub that belongs to the Hypericaceae family. It features bright yellow flowers and is known for its showy displays in midsummer. The plant grows 2-3 feet in height and has a spreading habit, reaching a width of about 3 feet. It is native to North America and is often found in wetland areas.

Flowering Perennial

23 Nurseries grow this plant.

2-3 feet High and 3 feet Spread

Nurseries that grow this plant

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