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St. John's Wort Plant

Hypericum spp.

Bright yellow summer flowers followed by red berries on mounded plants with blue-green foliage are key features of St. John's wort. Its ornamental qualities and low height make it an excellent choice for mass plantings or as an accent in mixed perennial borders. St. John's wort grows best in full sun to part shade in well-drained soil. The cheery yellow blooms attract bees, and the foliage is a food source for several larval forms of butterflies.

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Light:

Part Sun, Sun

Type:

Height:

From 1 to 8 feet

Width:

12-48 inches wide

Flower Color:

Seasonal Features:

Problem Solvers:

Zones:

3-9

how to grow st. john's wort

more varieties for st. johns wort

Ignite Red hypericum
Ignite Red hypericum
Hypericum androsaemum 'Seiball' begins blooming with large yellow flowers in late spring and continues to bloom through fall. By midsummer, bright orange-red berries adorn the plant, becoming more profuse as the season progresses. Cut stems with berries for use in cut-flower arrangements. This rust-resistant plant grows 12-36 inches tall and wide. Zones 5-8
St. John's wort
St. John's wort
Hypericum perforatum is a shrubby perennial with bright yellow blooms and green leaves, often edged in red during cool weather. This species is used as an herbal supplement, but because it can cause interaction with other drugs, consult your doctor before ingesting it. The plant grows 1-3 feet tall, making an attractive groundcover when planted en masse. Zones 3-8
Sunny Boulevard hypericum
Sunny Boulevard hypericum
Hypericum kalmianum 'Deppe' bears loads of sunny yellow blooms from early through late summer. In fall, it develops dull red berries that persist through winter. Deer avoid this heat-tolerant shrub. It grows 2-3 feet tall and wide. Zones 4-8
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