This perennial is usually grown as an annual. It is often listed under its synonym name Cheiranthus cheiri or under its common name Agean Wallflower. It is to grow wallflowers from seed, just follow these instructions.

Latin
Erysimum cheiri (syn. Cheiranthus cheri)
Family: Brassicaceae

Difficulty
Easy

Season & Zone
Exposure: Full sun to partial shade
Zone: 3-9

Timing
Direct sow in early spring when a light frost is still a possibility, or direct sow in the fall in mild winter areas. Erysimum is very susceptible to damping off, but if you want to try sowing indoors, do so 4-8 weeks before planting out after the last frost. Maintain a soil temperature of 18-25°C (65-75°F) and water only from below. Provide ventilation.

Starting
Sow seeds 5mm (¼”) deep. Space plants around 25-30cm (10-12″) apart.

Growing
Grow in neutral to slightly alkaline, average garden soil. Pinch growing tips in spring to encourage bushiness. Plants can be discarded after blooming or kept in situ and mulched in the autumn.

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