Perennial Wallflower. A bushy perennial with dark green narrow leaves. A profusion of violet-purple flowers release a beautiful perfume when opening. Height 50m. Spread 40cm. Flowers March to September. Full sun, free-draining soil. Hardy.
Erysimum ‘Sunstrong Violet’ is a bold and beautifully fragrant perennial, prized for its long flowering season and rich violet-purple blooms. To help this standout wallflower thrive, follow the detailed planting and care guidance below.
PLANTING and AFTERCARE GUIDE
Best Planting Time
Spring: Plant Erysimum ‘Sunstrong Violet’ in spring as the soil warms, allowing the roots to establish ahead of its generous flowering period.
Autumn: You can also plant in early autumn so the plant can settle before new growth begins.
Site Selection
Sunlight: Choose a bright, open location where Erysimum ‘Sunstrong Violet’ receives full sun. This ensures maximum flower production and strong fragrance release.
Soil: Since Erysimum prefers free-draining soil, improve heavier areas with grit or compost to prevent waterlogging and encourage healthy root development.
Planting Instructions
Prepare the Hole: Dig a hole twice as wide as the root ball to give Erysimum ‘Sunstrong Violet’ adequate space for its roots to spread.
Soil Preparation: Mix organic matter into the soil to support nutrient availability and drainage.
Planting: Place the plant into the hole with the top of the root ball level with the surrounding soil. Gently firm the soil to secure the plant in place.
Watering After Planting: Water thoroughly to settle the soil, allowing excess moisture to drain away naturally.
Watering Requirements
Growing Season: Once established, Erysimum is relatively drought-tolerant. Water during extended dry spells, ensuring the soil dries slightly between watering sessions.
Dormant Season: Reduce watering during quieter growth periods, providing moisture only when the soil becomes noticeably dry.
Feeding
Spring: In early spring, apply a balanced fertiliser to encourage lush new growth and plentiful flowers on Erysimum ‘Sunstrong Violet’.
Mid-Summer: A light summer feed helps maintain vitality through the long flowering season.
Pruning
Deadheading: Remove faded blooms regularly to extend flowering and maintain a tidy appearance. Erysimum responds well to consistent deadheading.
Autumn Pruning: After flowering slows, lightly trim the plant to encourage a compact habit and support fresh growth next season.
Mulching
Spring: Mulch around the base of the plant to preserve soil moisture and suppress weeds.
Winter: A light winter mulch helps protect the root zone and provides a stable soil environment.
Supporting the Plant
Staking: Although naturally bushy, Erysimum ‘Sunstrong Violet’ may require light staking in particularly exposed positions to prevent wind damage.
Final Tips
Erysimum ‘Sunstrong Violet’ is a hardy, low-maintenance perennial that fills gardens with months of vivid colour and sweet fragrance. By choosing a sunny location, providing free-draining soil, and following this straightforward care routine, ‘Sunstrong Violet’ will reward you with abundant blooms from early spring into autumn.
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Victoria Sancto (verified owner) –