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Sweet William Seeds
New product
[Dianthus barbatus] Sweet William, also known as the poets carnation, is a biennial plant with clusters of fragrant, colourful flowers, perfect for borders and pots.
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- Sweet William Seeds
- The Sweet William Plant
- How to Sow Sweet William
- How to Grow Sweet William
- Tips for Growing Sweet William
- Pests and Diseases
- Uses and Curiosities
Sweet William Seeds
Sweet William (Dianthus barbatus) is a plant of the Caryophyllaceae family, native to central and southern Europe. Also known as the poets carnation, it is loved for its clusters of small, fragrant flowers, often bicoloured.
The Sweet William Plant
It forms clumps 20-60 cm tall, with upright stems and narrow, greyish-green leaves. The flowers, gathered in compact clusters, can be white, pink, red, bicoloured or speckled.
It is a short-lived perennial, usually grown as a biennial: the first year it develops a leaf rosette, the second it rewards with its full bloom.
How to Sow Sweet William
Sow in late spring, between May and June, in seed trays or directly in the ground, in a sunny spot. Transplant to its final position in autumn for an abundant bloom the following year.
How to Grow Sweet William
It prefers a loose, fertile, well-drained soil, in full sun though it tolerates partial shade. Watering should be moderate, avoiding waterlogging which favours fungal diseases.
Flowering occurs between May and August, with fragrant clusters that attract butterflies and bees.
Tips for Growing Sweet William
To prolong flowering, regularly remove spent blooms, cutting the stem just above a leaf pair to encourage new buds. The plant tends to self-seed easily.
Pests and Diseases
The main risks are fungal diseases linked to waterlogging. Well-drained soil and moderate watering are the best prevention.
Uses and Curiosities
Excellent as a cut flower thanks to its long vase life, and perfect for borders, flower beds and pots on balconies and terraces. In the language of flowers it symbolises love, elegance and fidelity; Kate Middleton chose it for her wedding bouquet in 2011, in honour of Prince William.
- Sowing: May-June, transplant in autumn
- Exposure: full sun, tolerates partial shade
- Flowering: May-August
- Height: 20-60 cm
- Soil: loose, fertile, well-drained
- Watering: moderate, avoid waterlogging
- Suggested use: borders, pots, cut flower