Citronelle Heuchera
Heuchera ‘Citronelle’Product Details
Citronelle Heuchera
Heuchera ‘Citronelle’If you want to add color and vibrancy to your landscape, then Citronelle Heuchera, is a perfect candidate. This striking perennial showcases gorgeous, fuzzy lime green foliage that captures attention no matter where you plant it. The flowers are tiny, white, and emerge in summer. This plant is suitable for borders, edges, and containers. Excellent as a groundcover, it will adorn the barren, underutilized parts of the landscape, giving it a newfound charm. Citronelle Heuchera reaches up to 1 foot in height and the same size across at maturity. It reaches maturity approximately 1-2 years after planting.
- Also Called Coral Bells
- Semi-evergreen perennial
- Moderate growth rate
- Excellent for various types of landscape use
- Vibrant lime green foliage
- Blooms in summer
Hardy in zones 4-9, it will fare well in the North Texas climate. Plant it in full or partial shade, in well-drained soil rich in organic matter.
Citronelle Heuchera is hardy and adaptable, needing only a little bit of care to grow well. Here’s all you need to know:
- Watering: Water regularly during the first growing season to establish strong, deep roots. Once established, Citronelle prefers moderate, consistent moisture and performs best when soil is allowed to dry slightly between waterings. Avoid soggy soil.
- Pruning: Remove any winter-damaged or tattered leaves in early spring to reveal fresh growth. Deadhead spent flower stalks to maintain a neat appearance and direct energy back to the foliage. Older clumps can be refreshed by removing outer tired leaves.
- Fertilizing: Feed lightly in spring with a balanced, slow-release fertilizer or a thin layer of compost. Too much fertilizer can fade leaf color and encourage weak growth. Heucheras thrive on modest nutrition, so aim for gentle enrichment rather than heavy feeding.
- Mulching: Apply a 2-3 inch layer of fine mulch or leaf mold to help stabilize soil temperature and conserve moisture. Keep mulch slightly away from the crown to prevent excess moisture buildup. Renew mulch annually to keep roots protected and comfortable in all seasons.
- Winter Care: Citronelle is semi-evergreen and holds foliage through winter in mild climates. In colder regions, protect the crown with a light mulch after freeze-up, and remove this insulation in early spring. If frost heave occurs, gently press the plant back into place and add fresh mulch to secure the roots.
Citronelle Heuchera is naturally resilient, though a few manageable issues may develop in overly wet, compacted, or humid conditions:
- Crown Rot: The central growing point softens, darkens, or collapses in soggy soil. Improve drainage, reduce watering, and keep mulch away from the crown.
- Rust: Rust-colored pustules form on the undersides of leaves in humid weather. Remove affected leaves and improve air circulation to prevent spread.
- Powdery Mildew: A white, powdery coating appears on leaves in shaded, humid environments. Increase airflow, reduce crowding, and avoid overhead watering.
- Spider Mites: Fine webbing and stippled, pale leaves appear in hot, dry periods. Rinse foliage regularly and apply horticultural oil if needed.
- Vine Weevils: Notched leaf edges and declining vigor suggest adults are feeding or larvae are damaging roots. Use beneficial nematodes or treat with targeted insect control for root protection.
With proper care and occasional rejuvenation, it can thrive for many years, slowly forming a handsome, expanding clump. Refreshing the crown every few seasons keeps the plant looking vibrant and full.
It establishes quickly and typically reaches a full, luminous mound within its first or second year. Each season adds depth, density, and a richer display of foliage color.
Yes - the small white summer flowers draw bees and other beneficial insects. While the foliage is the star, its blooms offer a charming bonus for pollinator-friendly gardens.
Absolutely - its compact shape and bright color make it ideal for pots. Use a well-draining mix and water consistently during warm months to prevent crown stress.
Generally yes - deer typically leave heucheras alone due to their slightly bitter foliage. It’s a reliable choice for lightly browsed landscapes.
Extremely well - as a villosa-type heuchera, it excels in warm, humid climates where many other varieties falter. Its thick foliage and sturdy crown make it especially durable in Southern gardens.
Yes, division every 3-4 years helps rejuvenate the crown and maintain strong growth. Spring or early fall is ideal for dividing and replanting.
Its foliage holds vivid chartreuse tones through spring, summer, and early fall. In very intense sun, the color may deepen slightly, but it remains one of the brightest heucheras available.
Beautifully - its electric foliage acts as a luminous contrast against ferns, hostas, hellebores, and purple-leaved heucheras. It’s a designer’s favorite for creating layered color effects in shade gardens.
Its extraordinary chartreuse foliage, superior heat tolerance, and tidy habit distinguish it from the crowd. Citronelle brightens shadowy corners with a glow few plants can match, offering both durability and high-impact color.
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Citronelle Heuchera This plant | ||
|---|---|---|
| Scientific Name | Heuchera ‘Citronelle’ | Heuchera x 'TNHEUNEB' |
| Size at Maturity | 1' H x 1' W | 1' H x 2' W |
| Leaf Retention | Semi-Evergreen | Semi-Evergreen |
| Flower Color | White | White |
| Bloom Times | Summer | Summer |
| Sizes Available | — | 1 Gal |
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