How To Grow Wallflower Seeds
Updated on Dec 10, 2021
By Shannon McCabe
Latin name Cherianthus allionii is a biennial member of the mustard family. A delightful wildflower in sunset colors.
HISTORY
Native to Europe, this is a popular and widespread wildflower.
USES
- 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.
PESTS/SPECIAL CONSIDERATIONS
- 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.