All guides
Cut flowers1 variety
Spiked Speedwell
Veronica spicataClump-forming perennial with dense flower spikes that can rebloom after shearing.
No photograph yet
Days to maturity
80–90 daysDays to germ.
14–21 daysSpacing
12–14 inHeight
24–30 inSun
Sun, Partial ShadeHow we grow it
Germination
- Days to germ.
- 14–21 d
- Depth
- 0 in
Culture
- Days to maturity
- 80–90 d
- Spacing
- 12–14 in
- Height
- 24–30 in
- Sun
- Sun, Partial Shade
- Frost
- tender
- Hardiness zones
- 3
Harvest
Timing · Zone 5a
JanFebMarAprMayJunJulAugSepOctNovDec
Sow indoorsApr 9
Outdoor / directMay 21 – Jun 18
Bloom (from indoor)Jun 28 – Jul 9
Bloom (from outdoor)Aug 9 – Sep 17
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 Spiked Speedwell sowingSeed sources, counts, ratings, and the observations kept against each one.Spiked Speedwell trials