How To Grow and Save Seed Of Wallflower

Latin name Cherianthus allionii is a biennial member of the mustard family. A delightful wildflower in sunset colors.



Native to Europe, this is a popular and widespread wildflower.


  • Ornamental
  • Beds, borders, containers, cottage garden, rock walls
  • Attracts bees and bumblebees




  • Seeds germinate in 14 days.
  • Sow seeds indoors 4-6 weeks before last frost and transplant outdoors after last frost, or direct seed after last frost has passed.
  • Surface sow seeds and gently press into soil, as seeds require light for germination.
  • Ideal germination temperature is 65-70 F.


  • Prefers full sun to part shade.
  • Provide moist soil; plants prefer high pH, alkaline soil.
  • Space plants 6 inches apart.
  • Plants usually range between 1/2 - 2 feet in height.


  • Susceptible to leafhopper and white fly; treat with organic insecticidal soap.


  • The seeds will be produced in small pods after flowers fade.
  • Allow pods to turn brown and carefully hand pick seeds.
  • Some people choose to harvest when pods are slightly damp in order to avoid shattering the pods.
  • Store in a cool, dark, dry place.