Heuchera 'Green Spice', also known as Coral Bells, is a stunning perennial known for its attractive foliage and unique coloration. Here’s a comprehensive guide to growing this beautiful plant.
Plant Characteristics
- Foliage: Heart-shaped leaves with a silvery-green colour, often featuring dark purple markings.
- Height: Typically grows 12-18 inches tall.
- Spread: Can spread 18-24 inches wide.
- Flowers: Produces delicate spikes of small, bell-shaped flowers in late spring to early summer.
Planting Requirements
- USDA Hardiness Zones: Generally hardy in zones 4-9.
- Soil Type: Prefers well-draining soil rich in organic matter.
- pH Level: Thrives in slightly acidic to neutral pH (6.0 - 7.0).
- Sunlight: Best in partial shade; can tolerate full sun in cooler climates.
Watering
- Water regularly, especially during dry spells.
- Ensure the soil is moist but not waterlogged.
- Mulching can help retain moisture and keep roots cool.
Fertilizing
- Use a balanced, slow-release fertilizer in early spring.
- Avoid over-fertilizing, as this can lead to excessive leaf growth at the expense of flowers.
Pruning and Maintenance
- Remove spent flowers and dead leaves to encourage new growth and maintain appearance.
- Divide every few years to prevent overcrowding and promote healthy growth.
Pests and Diseases
- Generally resistant to pests, but watch for aphids and spider mites.
- Fungal diseases can occur in overly wet conditions; ensure good air circulation.
Companion Plants
- Pairs well with hostas, ferns, and other shade-loving perennials.
- Can be used in borders, containers, or as ground cover.
Additional Tips
- Heuchera 'Green Spice' can add year-round interest to the garden with its foliage.
- Consider planting in groups for a more dramatic effect.
With the right care, Heuchera 'Green Spice' can be a stunning addition to your garden, providing lovely texture and colour throughout the seasons. Happy gardening!
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