Sweet William
Dianthus barbatus

Sweet William Plant

 Sweet William (Dianthus barbatus) is a biennial that grows 1-2 ft tall, hardy in USDA Zones 3-9, prefers well-drained, rich soil, full sun to part shade, medium moisture, is edible, and has no medicinal uses.


Picture illustrating Sweet William plant

Habit

Clump-forming

Height

0.3-0.5 m

Growth

Biennial

Soil

Well-drained, fertile

Shade

Full Sun

Moisture

Moderate

Edible

No

Medicinal

Yes

Origin

Europe

Climatic Condition

Temperate, Subtropical

Temperature (°)

15-25°C

Humidity (%)

50-70%

Potting media

Loamy, peat

Fertilizers

Balanced NPK (10-10-10)

Watering

Regular

Plant Weight 

100-200 g

Flowering Time

Spring, Summer

Soil Ph level

6.0 - 7.0

Water Ph level

6.0 - 7.0

Soil EC

1-2 dS/m

Yield Per Plant 

Ornamental, cut flower

NPK ratio 

10:10:10

life Span

Biennial

Health Benefits

Ornamental, fragrant

Suggested Grow Media or Potting Mix ?

40% peat moss, 30% compost, 30% perlite


Suggested Fertigation/Fertilizers

Fertilize every 2 weeks with a balanced, water-soluble fertilizer.

Common Diseases and Remedies

Leaf Spot, Rust, Powdery Mildew, Botrytis Blight, Root Rot.

Brown or black spots on leaves, Orange or brown pustules on leaves, White powdery growth on leaves, Gray mold on flowers and leaves Wilting, yellowing leaves, root discoloration.

Prune and destroy infected leaves, remove infected debris, Neem oil, Improve air circulation, Improve soil drainage, use beneficial soil microbes.

Copper-based fungicides, Fungicides with myclobutanil, Sulfur-based fungicides, Iprodione or thiophanate-methyl, Fungicides with metalaxyl or mefenoxam.

Lupine
Lupinus