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Gemo St. John's Wort

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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.

OUR SIZING

Not sure what 2 inch B&B or 30 Gallon Clump really means? This guide breaks down all our plant size terms so you know exactly what to expect, whether you're ordering online or picking up at our nursery. From caliper measurements to container volumes, we've decoded our system to help you shop with confidence.

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