Shrubs

Hypericum frondosum 'Sunburst'

Sunburst St. John's wort

Sunburst St. John’s wort showing its bright yellow flowers and foliage. Shuvaev / CC BY-SA 4.0.

Bright yellow flowers with a rounded spray of stamens contrast with blue-green leaves in midsummer. This compact, upright shrub brings sunny color to informal hedges and mixed borders. Foliage may persist in warm climates but usually drops where winters are cold.

At a glance

Sun: Full sun to part sun
Mature size: 2–3 ft. tall × 4 ft. wide
Water: Moist, well-drained soil; avoid soggy sites
Hardiness: USDA zones 4–8
Bloom: Yellow; midsummer

Sizes & prices

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Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Drought: Tolerates moderate drought once established.
Wet soil: Avoid waterlogged soil.
Deer & rabbits: Resistant, but not browse-proof.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Native range

Native range / parentage: Cultivated selection of a Kentucky-native species; not wild local stock.

Seasonal interest

Foliage: Semi-evergreen; deciduous in cold winters.

Growing & care

Pruning: Prune in late winter to encourage fresh growth.

Sources & photo credits

Monrovia

Kew Science, Plants of the World Online

Photo: Shuvaev / CC BY-SA 4.0; resized and converted to WebP · CC BY-SA 4.0

Image notes: Sunburst St. John’s wort showing its bright yellow flowers and foliage. Shuvaev / CC BY-SA 4.0. Resized and converted to WebP.

Reviewed September 21, 2026. Growing conditions vary by location.