Dianthus barbatus
Sweet William
Type Biennial, perennial
Hardy range 4A to 10A
Height 12" to 24" / 30cm to 60cm
Spread 12" to 24" / 30cm to 60cm
Growth rate Average
Form Upright or erect
Exposure Partial shade or partial sun to full sun
Persistence Deciduous
Bloom Color Pink, red and white
Bloom Time Spring and Summer
Environment This plant will grow in dry to moist soil.
Suitable soil is well-drained/loamy.
The pH preference is a neutral to alkaline (6.8 to more than 7.7) soil.
Leaf Color Green
Culture Notes This Dianthus is a biennial or a short lived perennial. Only in warmer climates will the mother plant sometimes live through the winter. Division should be made from first year plant. Seeds will differ from mother plant and can be collected after bloom in the summer. Plants go well with: Myosotis, Asclepias, and Gaillardia sp.
