Citrona® Orange Erysimum

Citrona® Orange is the orange-flowered wallflower selection identified by the cultivar code PAS415015. Chicago Botanic Garden records it as a scented, mounded plant for full sun, blooming in spring and suitable for bedding or borders in USDA zones 6–8. [Chicago Botanic Garden](). ## Garden Profile Use its bright orange flowers in a sunny spring bed, border, or container where the branched habit can fill a small space. The garden record describes the plant as a nonhardy biennial and places flowering from March through June; longevity outdoors will depend on local winter conditions. A USDA plant-variety document identifies PAS415015 as part of the Citrona series and reports flowering without a vernalization period. [USDA cultivar document](). ## Siting and Water Choose full sun and soil that drains well. The botanic garden lists moderate soil moisture; monitor newly planted specimens and water when the root zone begins to dry, with less frequent irrigation in cool or rainy weather. ## Maintenance Remove faded flower stems to keep the planting tidy. Treat the plant as a short-lived selection where winter survival is uncertain, and plan replacement or reseeding according to local conditions.