Gemo St. John's Wort
Gemo St. John's Wort (Hypericum kalmianum 'Gemo')
Gemo St. John's Wort (Hypericum kalmianum 'Gemo') is a compact, deciduous shrub valued for its dense, glossy green foliage and vibrant yellow flowers that bloom in summer. This cultivar offers an attractive combination of bright blooms and year-round green texture, making it a versatile addition to gardens and landscapes.
Distinctive Features
'Gemo' produces abundant clusters of large, star-shaped yellow flowers that attract pollinators and create a cheerful summer display. The rich green leaves provide a lush backdrop, enhancing the shrub�s ornamental appeal throughout the growing season.
Growing Conditions
- Sun Exposure: Full sun to partial shade
- Soil: Well-drained, fertile soils; adaptable to a variety of soil types
- Water: Moderate; prefers consistent moisture but tolerates short dry spells once established
- USDA Hardiness Zones: 4�8
Ideal Uses
- Specimen Planting: Creates a bright focal point with vivid flowers
- Mixed Borders: Adds summer color and evergreen texture
- Foundation Plantings: Adds structure and year-round interest near buildings
- Wildlife Gardens: Attracts pollinators such as bees and butterflies
- Container Gardens: Suitable for patios and small spaces
Low Maintenance Care
- Watering: Maintain even moisture during establishment; drought tolerant when mature
- Pruning: Prune lightly after flowering to maintain shape and promote healthy growth
- Fertilizing: Apply balanced fertilizer in early spring
- Mulching: Mulch to conserve moisture and suppress weeds
- Protection: Plant in sheltered locations to reduce wind damage
Why Choose Gemo St. John's Wort?
- Bright Yellow Flowers: Provides a cheerful and long-lasting summer display
- Glossy Green Foliage: Offers year-round texture and color
- Wildlife Friendly: Supports beneficial pollinators
- Versatile Use: Suitable for borders, foundations, and containers
- Low Maintenance: Easy to grow with minimal care
Hypericum kalmianum 'Gemo' is a reliable shrub that enriches landscapes with vibrant flowers and lush foliage.

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