Kor!An (Андрей Корзун) · CC BY-SA 3.0
Sweet William
Plant·Dianthus barbatus
Full sun
Sun
Medium
Water
Well-drained soil
Drainage
Zones 3–9
Hardiness
Sweet William (Dianthus barbatus) is a plant. It grows best in full sun and has moderate water needs.
Through the year
GrowingFlowering
Works well with
from wiki dataNo companions recorded.
WHAT IT NEEDS
Wants full sun
Needs moderate water
Needs well-drained soil
Prefers soil pH 6–7.5
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Prefers loam, sandy loam soil
Tolerates some soil compaction
Adds a little organic matter to the soil
WHAT IT GIVES
Gives nectar (attracts pollinators)
Gives pollen (attracts pollinators)
Attracts pollinators
HOW IT GROWS
SIZE & SPACING
Herbaceous
Height30–60 cm
Spacing20 cm (min 15 cm)
Root depthShallow
Width15–30 cm
Width figures are rough estimates, the most variable measurement in our data.
AI estimate · accuracy improves as growers contribute corrections.
HOW TO PROPAGATE
Propagate by seed, division
Difficulty
Establishes in about 1 yr
Self-seeds readily on its own
Where this comes from
Parsed11 Sept 2026
ConfidenceNot recorded
Photograph Kor!An (Андрей Корзун) · CC BY-SA 3.0