Gemo St. John's Wort
Hypericum kalmianum 'Gemo'
Full sun, Partial sun
Water regularly - weekly, or more often in extreme heat.
THIS PLANT MAY BE AVAILABLE IN THESE STORES:
Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.
- 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 |
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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/Firewise, 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