January 26, 2023
Erysimum cheiri 'Sunset Yellow'

Erysimum cheiri 'Sunset Yellow'

Erysimum cheiri ‘Sunset Yellow’ is a herbaceous perennial, but they also grow it as a biennial. It is a bushy and clump-forming plant. Erysimum cheiri ‘Sunset Yellow’ is from the Brassicaceae family of plants.

They also call it the Wallflower ‘Sunset Yellow’, F1 Hybrid, ‘Sunset Mixture‘, English Wallflower ‘Sunset Yellow‘, or by its previous name Cheiranthus cherry ‘Sunset Yellow’. Erysimum cheiri is native to Europe, and it is a hybrid.

Erysimum cheiri ‘Sunset Yellow’ has branching stems and grows to 40cm or 16in tall. The foliage is narrow and pointed. The flowers are bright yellow and they are fragrant. Erysimum cheiri ‘Sunset Yellow’ flowers in spring, from March to June, and sometimes extending to September. It is an excellent bedding and border plant, adding a bright yellow color to the landscape, plus the flowers attract bees and butterflies.

Erysimum cheiri 'Sunset Yellow'
Erysimum cheiri ‘Sunset Yellow’

How to grow Erysimum cheiri ‘Sunset Yellow’:

Grow Erysimum cheiri ‘Sunset Yellow’ in the sun. It does tolerate partial shade but performs better in the sun. Plant it in moist, poor to fertile, and well-drained soil. Use alkaline to neutral soil and deadhead flowers to extend the flowering season.

Propagate Erysimum cheiri ‘Sunset Yellow’ from seeds or semi-hardwood cuttings. Seeds germinate in 10 days. Pinch tips as it grows, in order to make the plant bushier. It is generally pest-free and disease-free. But watch out for flea beetles, slugs, snails, clubroot, and downy mildew.

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