
Dame's Rocket (Hesperis matronalis) is a traditional cottage‑garden flower known for its fragrant evening blooms, tall, graceful stems, and clusters of purple, pink, and white flowers. Plants form loose drifts of color in borders and naturalized plantings, with a sweet scent that intensifies toward dusk.
What is Dame's Rocket?
A short‑lived perennial or biennial in the mustard family, Dame's Rocket is often mentioned in older garden texts and cottage‑garden guides for its perfume and ease of growth. It reseeds readily where happy, creating informal colonies.
Why gardeners choose it:
• Fragrant purple, pink, and white flower clusters
• Tall stems for cottage borders and naturalized areas
• Attracts butterflies and evening pollinators
• Easy to grow from seed in average garden soil
• Reseeds to maintain stands over time
Growth Habit: Biennial or short‑lived perennial
Bloom Colors: Purple, pink, white (mixed)
Height: 24–36 inches
Sun Requirement: Full Sun to Partial Shade
Sowing Depth: Lightly covered
Planting Instructions:
• Direct‑sow Dame's Rocket seeds outdoors in spring or fall.
• Cover seeds lightly with soil (about 1/8–1/4 inch); firm gently.
• Keep soil evenly moist until seedlings establish (7–21 days).
• Space plants 12–18 inches apart for tall, airy growth.
• Prefers average, well‑drained soil; avoid heavy fertilization.
• Allow some seed heads to mature for natural reseeding and long‑term colonies.