10+
Sweet William dianthus seeds produce compact, clump-forming plants with upright stems and dense clusters of small blooms. This variety is well suited for garden beds, borders, and container planting, where it establishes steadily and provides seasonal flowering. It performs best in cool to moderate climates and grows well in fertile, well-drained soil with consistent moisture. Sweet William adapts to full sun and partial shade, making it suitable for a range of garden settings.
Features
- Compact, clump-forming plant with upright growth
- Produces dense clusters of small flowers
- Suitable for borders, beds, and containers
- Performs well in cool to moderate climates
- Adapts to full sun and partial shade
- Requires well-drained soil with consistent moisture
Specifications
- Scientific Name: Dianthus barbatus
- Common Name (US): Dianthus
- Seed Type / Variety: Sweet William variety
- Growth Habit: Upright, clump-forming biennial (often grown as annual)
- USDA Zones: 3–9
- Planting Season: Spring or fall
- Growing Season: Spring to summer
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Sowing Season:
- Spring: March to May
- Fall: September to October
- Germination Time and Conditions: 7–14 days at 18–22°C with light moisture
- Sunlight Requirements: Full sun to partial shade
- Soil Requirements: Well-drained, fertile soil
- Watering Needs: Moderate; keep soil evenly moist
- Mature Plant Size: 30–60 cm height, 20–30 cm spread
- Plant Spacing: 20–30 cm apart
