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A picture of a Common Wallflower

Common Wallflower

Erysimum × cheiri

Also known as

Wall Gilliflower, Winter Gilliflower, English Wallflower, Aegean Wallflower, Goldlack, Bleeding Heart, Bloody Warrior, Yellow Gilliflower, Cheir's Wallflower

Photo by Sima.Simona (All rights reserved)

Full Sun
Easy care
Light watering
Frost Hardy

H5

RHS hardiness

-15°C

Minimum temperature

Expected size

Height
Spread

50cm

Max

50cm

10cm

Min

10cm

2 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has a mild fragrance

Common Wallflower Overview

Erysimum × cheiri is a spring-flowering evergreen perennial that produces fragrant bright orange-yellow flowers on short upright spikes popular with pollinating insects and humans alike. Also known as the Common Wallflower or Wall Gilliflower, this short-lived plant is often treated as a biennial - sown in summer to flower the following year - to provide masses of spring colour in wall side borders, patio containers or throughout flower borders in full sun with well-drained soil. Occasionally listed with the synonym name Cheiranthus × cheiri, many cultivars have been developed from this species with a wide range of colours. Semi-hardwood cuttings can be taken from your favourite coloured plants in spring or summer to continue your display the following spring. However, ready to plant bare-root plug plants are readily available in autumn. Soak the roots for half an hour before planting and space them 30cm (12") apart. Pinching out the growing tips of young plants - when they reach 12cm (5") in height - will encourage bushy growth and greater flower production. Once flowering has finished, prune these plants back to prevent them from getting too leggy. Water, apply a slow-release fertiliser and mulch to help the plant recover. This can encourage plants to produce a second flush of flowers in autumn.

Common problems with Common Wallflower

How to propagate Common Wallflower

Cuttings

Take semi-hardwood cuttings in spring and summer.

Seed

Between May and July sow seed directly into prepared seed beds with well-drained soil. Make drills 13mm (0.5") deep and space rows 30cm (12") apart. Water regularly during dry periods. Transplant young plants when they are large enough [autumn] to their final growing positions. Alternatively - sow into containers [seed trays, pots] and keep covered with a temperature between 13-15° (55-65°F). When large enough to handle, prick out seedlings into individual pots and grow on with cooler conditions, before planting out.

Special features of Common Wallflower

Attracts useful insects

This species is part of the Royal Horticultural Society “Plants for Pollinators” initiative to showcase plants that support pollinator populations by providing ample nectar and pollen. An excellent choice for encouraging pollinating insect wildlife into your garden!

Attractive flowers

Pot plant

Suits being added to winter displays in large containers.

Winter colour

Ground cover

Can be planted on-mass over banks and slopes.

Other uses of Common Wallflower

Flower beds and borders, patios, containers, city and courtyard gardens, cottage and informal gardens, bedding displays.

Scented

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