St. John's-Wort 'Blues Festival'
Family: Hypericaceae (St.
John's-Wort Family)
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Hardiness Zones: 4-7
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Height: 2-3 feet
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Spread: 2-3 feet
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Bloom Time: early to late summer
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Bloom: flat clusters of golden yellow, cup-shaped flowers
with 5 petals surrounding a prominent tuft of golden stamens; long blooming
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Light: full sun to part shade
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Soil: prefers moist, rich,
well-drained, sandy loams; but tolerates poor, rocky soils
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Moisture: moist; tolerates some drought once established
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Use: low hedges, shrub borders, rock
gardens, naturalized areas, groundcover on slopes; nectar-rich flowers attract
pollinators and other insects
·
Care: low maintenance; flowers do not
require deadheading
·
Concerns: no serious insect or disease
problems
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Native to: species native to Eastern Canada
and Northeastern and North Central U.S.
·
Notes: compact shrub with dense, rounded
habit rarely needs pruning; noted for the contrast of its blue-green linear
foliage against the brilliant yellow flowers; salt-tolerant; deer-resistant
·
Supplier: Landscape Designs, Inc.
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Teaching Garden
Location & Code: Welcome Garden B162
Content
produced through:
Dane County
UWEX Master Gardener Volunteer Program
Questions?
Dane County UWEX Horticulture
Program
