Sweet William Seeds – Maroon

Bring rich, elegant color to your garden with Maroon Sweet William Seeds, known in the U.S. simply as Sweet William Seeds. These annual blooms produce clusters of vibrant maroon flowers that add texture, depth, and charm to borders, beds, and cottage-style gardens. Easy to grow and well-suited for home gardeners, Sweet William thrives in full sun and well-drained soil, offering season-long beauty and strong garden performance.

Features

• Deep maroon blooms that create striking garden color

• Suitable for borders, containers, and cut-flower gardens

• Annual growth habit with reliable flowering

• Adaptable to a range of soil types with simple care

• Excellent germination and strong seedling vigor

Specifications

• Common Name (U.S.): Sweet William

• Botanical Name: Dianthus barbatus

• Plant Type: Annual

• Bloom Color: Maroon

• Germination Time: 7–14 days

• Light Requirements: Full sun

• Soil Requirements: Well-drained, moderately fertile soil

• Plant Height: 12–24 inches

• Spacing: 6–12 inches

• Growing Season:

  • Sowing Indoors: Late winter to early spring (February–April)

  • Direct Sowing Outdoors: After the last frost (March–May, depending on zone)

  • Bloom Season: Late spring to summer (May–August)

• USDA Hardiness Zones: Best grown as an annual in Zones 3–9

• Temperature Range: Seeds germinate best at 65–75°F

• Watering Needs: Moderate; avoid waterlogging