Sweet William (Dianthus barbatus)
Care, watering, light and tips for Sweet William on Floravia.
Quick facts
- Family: Caryophyllaceae
- Difficulty: Easy to care for
- Watering: every 4 days
- Light: Partial shade
- Temperature: 10–30 °C
- Toxicity: Toxic to pets
About Sweet William
Dianthus barbatus, commonly known as Sweet William or busknellik, is a biennial or short-lived perennial herbaceous plant, valued for its dense clusters of fragrant flowers. Its blooms, which come in various colors and patterns, including bicolors, create a vibrant visual impact. It is ideal for garden borders, flower beds, and as a cut flower in arrangements due to its beauty and fragrance.
Native range
Europe and temperate Asia
Care tips
It prefers full sun or light partial shade for optimal flowering. It requires regular watering, keeping the substrate moist but well-drained, avoiding waterlogging which can lead to root rot. The ideal soil is fertile, slightly alkaline, and well-draining; a common mistake is planting it in heavy, poorly-drained soils. Deadhead spent flowers to encourage continuous blooming and prevent excessive self-seeding.