Kalm's St. John's wort (Hypericum kalmianum 'Ames') plant — close-up photo
Easy to grow

Kalm's St. John's wort

Hypericum kalmianum 'Ames'

Overview

Kalm's St. John's Wort (Hypericum kalmianum 'Ames') is an evergreen, aromatic shrub native to North America. Known for their attractive pink-tinted yellow flowers and lacy foliage, these easy-to-care-for plants are perfect for brightening up gardens or walkways. Growing up to two to three feet tall, their multi-stemmed shrubs bloom from late spring through early summer. These drought-tolerant and deer-resistant plants flourish in full sun or partial shade and well-draining soils. The foliage can be harvested for use as a natural dye or herbal remedy. It’s a perfect addition to any space!

Care Guide

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Watering

Average — every "7-10" days.

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Light

Full sun, part shade.

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Temperature

Hardiness zone 4-7.

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Pruning

Best pruned in March, April, May, June, July, August.

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Propagation

Cutting, Division, Layering Propagation, Seed Propagation, Stem Propagation

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