Go Back Dianthus Diadem Sweet William

Dianthus barbatus 'Diadem'
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Plant Type: Perennials

Sweet William is an old-fashioned cottage garden plant that usually grows as a self seeding biennial. This taller strain produces a mound of light green leaves, bearing showy clusters of bright crimson-red flowers with a contrasting white eye. Excellent as a cut flower.

Currently not available for online purchase.

Growing & Maintenance Tips:

Remove fading flowers to encourage more buds to form. Pruning plants back hard after blooming will encourage them to survive for another year. Self-sown seedlings may be moved in fall or early spring.

Flower Color

Crimson with white eye

Foliage Color


Plant Spread

8-12 in.

Good Companions

Plant Height

20-24 in.

Scape Height

Hardness Zone


Soil Moisture

Average water needs

Characteristics & Attributes


Accent, Border, Container, Cut flower, Fragrant, Mass Plant

Bloom Time

Mid spring to early summer

Critter Resistance

Deer and rabbit resistant


Full sun to part shade

Growth Rate


Seasonal Interests