Hypericum kalmianum 'Gemo'
Gemo St. John's Wort
Hypericum are fast growing evergreen, semi-evergreen or deciduous shrubs. The low growing forms are suitable as ground cover. This hardy deciduous species has rich green ovate leaves, sometimes with a pinkish margin. The five petaled flowers are bright yellow with lots of erect stamens and flower from early to late Summer. The flowers are followed by bright red berries.
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Full sun
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Occasional watering
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Full Frost Hardy: 5F (-15°C)
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Free draining
Common name
Gemo St. John's Wort
Latin name
Hypericum kalmianum 'Gemo'
type
Deciduous trees or shrubs
family
Hypericaceae
ph
5.0 - 8.5 Acid - Neutral
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Light
Full sun
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Frost
Full Frost Hardy: 5F (-15°C)
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Soil
Free draining
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Water
Occasional watering
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
1.50 M
1.50 M
Hypericum kalmianum 'Gemo'
Hypericum are fast growing evergreen, semi-evergreen or deciduous shrubs. The low growing forms are suitable as ground cover. This hardy deciduous species has rich green ovate leaves, sometimes with a pinkish margin. The five petaled flowers are bright yellow with lots of erect stamens and flower from early to late Summer. The flowers are followed by bright red berries.
Flowering Season
From Early Summer TO Early Autumn
The 3 inch flowers are borne singly and are produced in succession from early summer through to early autumn.
Planting
From Late Autumn TO Late Winter
Plant out in any well drained, fertile soil from autumn to late winter in a sheltered border in full sun. As these shrubs are late-flowering, it is advisable to give them wall protection in northern gardens.
Propagation by cuttings
From Early Spring TO Late Summer
Take heel cuttings, 3-4 inches long from half-ripe lateral shoots preferably with a heel at any time between spring and late summer. Insert into equal parts of sand and peat in a propagating case at a temperature of 16C. When rooted, pot the cuttings singly in 3 inch pots of John Innes No 1 and overwinter in a cold frame. The following spring, pot on into 4 inch pots and plunge outdoors until planting out in autumn.
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