All guides
Cut flowers1 variety
Dame's Rocket
Hesperis matronalisFragrant biennial or short-lived perennial with loose clusters of four-petaled spring flowers.
No photograph yet
Days to germ.
10–30 daysSpacing
8–12 inHeight
30 inSun
Sun, Partial ShadeHow we grow it
Germination
- Days to germ.
- 10–30 d
- Depth
- 0.0625 in
Culture
- Spacing
- 8–12 in
- Height
- 30 in
- Sun
- Sun, Partial Shade
- Frost
- tender
Harvest
Timing · Zone 5a
JanFebMarAprMayJunJulAugSepOctNovDec
Sow indoorsApr 9
Outdoor / directMay 21 – Jun 18
Windows are anchored to an average last frost of May 21 (1 year in 10 as early as Apr 29, as late as Jun 2) and an average first frost of Sep 18 (1 year in 10 as early as Sep 6, as late as Oct 8). In a late or early year, slide them with it.
Compare in the calendarTrials
Every Dame's Rocket sowingSeed sources, counts, ratings, and the observations kept against each one.Dame's Rocket trials