Siberian wallflower is one of the first plants to bloom in late spring. The brilliant yellow-orange flowers look especially nice with red or white tulips. It's shown here with Viola tricolor.
Siberian wallflower is native to Europe, but it's often included in wildflower mixes for the bright color that it adds to meadows. Also known as Erysimum marshallii. Biennial or short-lived perennial in zones 3-9.
height 15"
Sowing Wallflower Seeds:
Sow outdoors after the last frost date in a prepared seed bed. Sow 1/8" deep.
Thin to 6-9" apart. Transplant in fall to permanent locations. Hardy in zones 3-9. Biennial or short-lived perennial. Full sun to part shade. Easy to grow. Self sows.