Common name: western wallflower
Botanical name: Erysimum capitatum
Light: full sun
Height: 4 – 24 inches
Water: low, drought tolerant once established
Soil type: well-drained sandy soils
Biennial wildflower on long erect stems with bright yellow 4-petalled flowers in midsummer; very fragrant; blooms longer with some water; great for rock gardens!