Sweet William Seeds – Silene armeria

Grow vibrant clusters of long-lasting blooms with Sweet William Seeds (Silene armeria). Known for their bright, eye-catching colors and compact growth habit, these seeds are ideal for borders, cottage gardens, and pollinator-friendly landscapes. They are easy to grow, adaptable to various soil types, and produce abundant blossoms throughout the season.

Sweet William plants attract beneficial pollinators and add a classic charm to both indoor arrangements and outdoor displays. Whether you're a beginner or an experienced gardener, these seeds offer reliable, beautiful results.

Features

• Produces dense clusters of vivid pink blooms

• Suitable for borders, beds, containers, and rock gardens

• Grows well in full sun to partial shade

• Low-maintenance and adaptable to different soil types

• Attracts pollinators such as butterflies

• Perfect for cut flowers and ornamental landscaping

Specifications

• Botanical Name: Silene armeria

• Common Name (US): Sweet William

• Plant Type: Annual

• Growth Habit: Compact, clumping

• Height: 12–24 inches

• Light Requirements: Full sun to partial shade

• Soil Type: Well-drained, moderately fertile soil

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

• USDA Plant Hardiness Zones: 3–9

  • Zone 3–5: Sow indoors early spring; transplant after frost (April–June)

  • Zone 6–7: Direct sow or transplant in spring (March–May)

  • Zone 8–9: Fall or early spring planting (February–April, October–November)

• Sowing Method: Direct sow or start indoors

• Germination Time: 10–20 days

• Temperature for Germination: 65–75°F

• Spacing: 8–12 inches apart

• Watering: Moderate, avoid waterlogging