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Erysimum suffruticosum Gold Cup - Wallflower

Erysimum suffruticosum Gold Cup
Shrubby Wallflower

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I am very satisfied with the reception and the flowering of these wallflowers... The young plants were small but they have grown well in 6 months and offer a long flowering period..

Nadine, 16/05/2021

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This plant carries a 6 months recovery warranty

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Value-for-money
This variety of wallflower with small umbels of golden yellow is distinguished by its autumn and winter flowers, giving off a honey scent at the slightest hint of warmth. This biennial or undemanding perennial is ideal for borders and pots, for autumn and spring flowers. Perfectly adapted to well-drained, poor, chalky soils, it flowers even during dry, hot springs, delighting owners of dry gardens.
Flower size
1 cm
Height at maturity
15 cm
Spread at maturity
25 cm
Exposure
Sun
Hardiness
Hardy down to -12°C
Soil moisture
Dry soil, Moist soil
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Best planting time September to October
Recommended planting time September to November
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Flowering time January to April, September to December
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Description

The Erysimum suffruticosum 'Gold Cup' is a variety of wallflower that is very compact, with small umbels of golden yellow flowers. It is distinguished by its autumn and winter flowering, exuding a honey scent with the slightest breath of warmth. This annual, biennial or short-lived perennial is very undemanding and is ideal either in pots or at the base of a flowerbed, forming a bright yellow carpet, which flowers in autumn and spring. Perfectly adapted to well-drained, poor, chalky soils, it flowers even during dry, hot springs, delighting owners of dry gardens ... or forgetful gardeners.

 

The Erysimum suffruticosum, also called Alpine Wallflower or sometimes Ravenelle Wallflower, is a short-lived perennial, often grown as an annual or biennial. It belongs to the Brassicaceae family, like cabbage, mustard or rapeseed. The 'Gold Cup' variety is a recent creation and a beautiful improvement of this species. Its habit is naturally compact, branching and spreading. The plant, adult after just a few months, measures 15 to 20 cm (5.9 - 7.9 in) in height when in bloom, with a spread of about 25 cm (9.8 in). From autumn onwards, it becomes literally covered with umbels of small sweet scented golden-yellow flowers. Braving the winter cold, its very dark green, evergreen foliage, will flower if the temperature rises a little. When spring arrives, this little wallflower blooms again, even more abundantly, with a scent released by the first warm days at the end of April.

Erysimum suffruticosum 'Gold Cup' thrives in rockeries and slightly barren chalky, well-drained soils, and can be planted from autumn on the edge of flowerbeds, near entrances or in window boxes, so you can take full advantage of its sunny, sweet-scented blooms throughout the winter. This wallflower goes well with garden pansies and horned violets, delighting in the autumn and bringing the celebration of the return of spring right to our doorsteps. It is great in a dry Mediterranean garden, taking advantage of the mild dampness of autumn, winter and spring, continuing to grow and deliver an almost uninterrupted fragrant flowering. This Erysimum is a true delight for lovers of simple, undemanding, but also exceptionally generous flowers.

Note: Please be aware that our young plug plants are professional products suited best to experienced gardeners: upon receipt, transplant them as soon as possible, in pots, planters or directly into the flower bed.

 

Flowering

Flower colour yellow
Flowering time January to April, September to December
Inflorescence Corymb, Umbel
Flower size 1 cm
Fragrance Very fragrant, Epicé, sucré
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Plant habit

Height at maturity 15 cm
Spread at maturity 25 cm
Growth rate normal

Botanical data

Genus

Erysimum

Species

suffruticosum

Cultivar

Gold Cup

Family

Brassicaceae

Other common names

Shrubby Wallflower

Origin

Cultivar or hybrid

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Planting and care

Plant after the last of the heavy frosts in a sunny or semi-shaded position. Flowering very abundantly and growing rapidly, they are nutrient-demanding. Feed them with a liquid fertilizer for planters once or twice a week during the growth period. Water regularly but not to excess. Deadhead to encourage flowering.

Planting period

Best planting time September to October
Recommended planting time September to November

Intended location

Suitable for Meadow, Rockery
Type of use Border, Edge of border, Container, Slope
Hardiness Hardy down to -12°C (USDA zone 8a) Show map
Ease of cultivation Beginner
Planting density 6 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Well-drained.

Care

Pruning instructions Deadhead regularly to encourage flowering.
Pruning Pruning recommended once a year
Pruning time February to March, October to November
Disease resistance Very good
Overwinter Can be left in the ground
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