Gemo St. John's Wort
Hypericum kalmianum 'Gemo'
SKU
02622
Popular for its prolonged bloom period and refined foliage, this Danish introduction has small, bright yellow flowers and blooms profusely from July to September. A neat, bushy shrub with attractive bright green, willow-shaped leaves, ideal for massing as a low informal hedge or mounding groundcover. Deciduous.
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Full sun, Partial sun
Water regularly - weekly, or more often in extreme heat.
CHECK RETAILERS FOR AVAILABILITY:
- 101 Market
8980 Quantrelle Ave. N.e. Otsego MN 55330
- 14th Street Garden Center
793 Jersey Ave. Jersey City NJ 07303
- 3rd Avenue Floral & Greenhouse
1110 3rd Ave. West Dickinson ND 58601
- 4 Ever Green Ldsp. & Dgn
21457 214th Circle Ave Milford IA 51351
| Botanical Pronunciation | hi-PER-i-kum kal-mee-AH-num |
|---|---|
| Average Size at Maturity | Moderate growing; reaches 2 to 3 ft. tall and wide. |
| Bloom Time | Midsummer to Late Summer |
| Design Ideas | Excellent used in large groupings as a mounding groundcover or a low, informal hedge. |
| Deciduous/ Evergreen | Deciduous |
| Flower Attribute | Flowers for Cutting, Long Bloom Season, Showy Flowers |
| Flower Color | Yellow |
| Foliage Color | Green |
| Garden Style | Cottage, Rustic |
| Growth Habit | Round |
| Growth Rate | Moderate |
| Landscape Use | Border, Firescaping/Fire Wise, Hedge, Mass Planting, Woodland Garden, Cutting Garden, Ground Cover |
| Light Needs | Full sun, Partial sun |
| Soil Needs | All-Purpose Plant Food |
| Special Feature | Easy Care, Tolerates Acidic Soil, Tolerates Poor Soils, Waterwise, Compact Form, Tolerates Road Salt |
| Water Needs | Moderate |
| Watering Needs | Water regularly - weekly, or more often in extreme heat. |
| Companion Plants | Coneflower (Echinacea); Rose (Rosa); Sedum (Sedum); Spirea (Spiraea); Daylily (Hemerocallis) |
Provide enriched, neutral to acidic, moist, well-drained soil; avoid soggy, poorly drained soils. Water deeply, regularly during the first growing season to establish an extensive root system. Once established, reduce frequency; tolerates mild drought. Apply fertilizer in early spring. Prune annually after flowering to shape.
This Plant's Growing Zones: 5-9
Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant