Fiery red on tall stems. Scarlet Beauty is a sweet William with uniform scarlet, fiery-red flowers gathered in dense, flat umbels. The plants reach approximately 50 cm in height, bloom from June to August in the second year after sowing, and have a spicy fragrance. One of the most intensely colored varieties in our range – visible from the other end of the garden.
At a glance
- Height: approx. 50 cm
- Flower color: scarlet, fiery red
- Flowering: June–August (second year)
- Position: full sun or partial shade
- Sowing: May–June (under cover / in a seedbed)
- Planting out: August
- Difficulty: easy – a variety for beginners
- Number of seeds per packet: approx. 500 (0.50 g)
What makes this variety stand out
Scarlet Beauty is a single-colored variety – no eye, no edging, just pure, luminous red. This uniformity makes the flower heads (8–10 cm in diameter) act as bold splashes of color and pair beautifully with the dark green foliage and white or blue neighbors. The stems are straight, sturdy, and uniform in height, making the variety suitable for group plantings and cut flowers.
In cultivation, it is a typical sweet William: it germinates easily, overwinters without cover, and tolerates poorer soils and drought. In the first year it forms a rosette; in the second, it blooms for 6–8 weeks.
Growing step by step
Sowing (May–June, under cover or in a seedbed): sow the seeds in rows in boxes or directly into a seedbed, covering them with 3–5 mm of soil. At a temperature of 16–18°C, seedlings emerge after approximately 2 weeks. Keep the substrate evenly moist, but not wet.
Thinning / pricking out: when the seedlings have 3–4 leaves, thin them (or prick them out) to approximately 10 × 10 cm spacing so they can develop compact, strong rosettes. In summer, lightly shade the seedbed during the hottest weather.
Planting out (August–September): plant the young rosettes in their permanent position at 30 × 30 cm spacing. Sweet William grows well in any average garden soil, provided it is not waterlogged; it responds well to liming. The plants overwinter in the ground without cover; during harsher winters, it is worth adding a thin layer of branches.
Care: feed with a balanced fertilizer in spring and water during dry periods. Cutting off faded flower heads extends flowering and often helps the plant survive another season. Seed heads left on the plants produce self-sown seedlings that can be transplanted like young plants.
Uses
Excellent for flower beds in warm color schemes (with yellow rudbeckias, orange marigolds, and dark-leaved dahlias), for borders and groups beside lawns, and also as a cut flower – it lasts up to two weeks in a vase. Red sweet Williams are popular with butterflies and other pollinating insects.
Gardener’s tip
Want the red to be truly intense? Do not overdo the nitrogen – sweet Williams fertilized “too heavily” produce lots of leaves and faded, loose flower heads. A handful of compost in spring and, if necessary, one dose of fertilizer for flowering plants at the beginning of June is enough.
Specifications
| Latin name | Dianthus barbatus |
| Variety | Scarlet Beauty |
| Flower color | scarlet |
| Height | approx. 50 cm |
| Position | full sun or partial shade |
| Seasonality | biennial plant |
| Sowing time under cover | May–June |
| Sowing time outdoors | May–June (seedbed) |
| Planting-out time | August |
| Flowering time | June–August (the year after sowing) |
| Spacing | 30 × 30 cm |
| Net weight | 0.50 g (~500 seeds) |
| Series | Traditional |
| Manufacturer | W. Legutko |
| EAN code | 5903837119301 |