Kalm St. John's Wort Blues Festival®, Hypericum kalmianum 'SMHKBF' PP25795, CBR#5306
Noted for its blue-green foliage, Hypericum kalmianum Blues Festival® (Kalm St. John’s Wort) (Kalm St. John’s Wort) is a compact shrub of dense, rounded habit with showy, golden yellow flowers from mid to late summer. They are borne in flat clusters at the tips of upright branching stems. Each cup-shaped flower presents 5 petals surrounding a prominent tuft of golden stamens. Rich in nectar, they are a favorite of butterflies, bumblebees, and other pollinators. The foliage of linear blue-green leaves provides a lovely backdrop for the bright golden blossoms. This deer-resistant little shrub stays neat and tidy and rarely needs pruning. A colorful option for beds and walkways or as a ground cover.
Hardiness |
4 - 7 |
---|---|
Climate Zones | 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 10 |
Plant Type | Shrubs |
Plant Family | Hypericaceae |
Genus | Hypericum |
Common names | St. John's Wort |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Summer (Mid, Late) |
Height |
2' - 3' (60cm - 90cm) |
Spread |
2' - 3' (60cm - 90cm) |
Spacing |
24" - 48" (60cm - 120cm) |
Maintenance | Low |
Water Needs | Average |
Soil Type | Clay, Loam, Sand |
Soil pH | Acid, Alkaline, Neutral |
Soil Drainage | Moist but Well-Drained, Well-Drained |
Characteristics | Cut Flowers, Showy |
Tolerance | Drought, Deer, Salt, Dry Soil |
Attracts | Bees, Birds, Butterflies |
Garden Uses | Banks And Slopes, Beds And Borders, Ground Covers |
Garden Styles | Prairie and Meadow, Informal and Cottage, Gravel and Rock Garden |
Hardiness |
4 - 7 |
---|---|
Climate Zones | 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 10 |
Plant Type | Shrubs |
Plant Family | Hypericaceae |
Genus | Hypericum |
Common names | St. John's Wort |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Summer (Mid, Late) |
Height |
2' - 3' (60cm - 90cm) |
Spread |
2' - 3' (60cm - 90cm) |
Spacing |
24" - 48" (60cm - 120cm) |
Maintenance | Low |
Water Needs | Average |
Soil Type | Clay, Loam, Sand |
Soil pH | Acid, Alkaline, Neutral |
Soil Drainage | Moist but Well-Drained, Well-Drained |
Characteristics | Cut Flowers, Showy |
Tolerance | Drought, Deer, Salt, Dry Soil |
Attracts | Bees, Birds, Butterflies |
Garden Uses | Banks And Slopes, Beds And Borders, Ground Covers |
Garden Styles | Prairie and Meadow, Informal and Cottage, Gravel and Rock Garden |
How many Hypericum kalmianum Blues Festival® (Kalm St. John’s Wort) do I need for my garden?
Plant | Quantity | |
---|---|---|
Hypericum kalmianum Blues Festival® (Kalm St. John’s Wort) | N/A | Buy Plants |
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Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
Join now and start creating your dream garden!