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Cut flowers4 varieties
Matthiola
Matthiola incanaCool-season annual or short-lived perennial grown for fragrant flower spikes and strong cut stems. Also called stock.
Days to maturity
90–105 daysDays to germ.
7–14 daysSpacing
4–6 inHeight
24–32 inSun
SunHow we grow it
Germination
- Days to germ.
- 7–14 d
- Soil temp
- 60–75 °F
- Depth
- 0.25 in
- Light for germ
- light
Culture
- Days to maturity
- 90–105 d
- Spacing
- 4–6 in
- Height
- 24–32 in
- Sun
- Sun
- Frost
- hardy
- Sow indoors
- Yes
- Outdoor / direct
- No
Harvest
- Handling
- Harvest when 1/3-1/2 of the flowers on a stem are open.
Timing · Zone 5a
JanFebMarAprMayJunJulAugSepOctNovDec
Sow indoorsMar 26 – Apr 9
Outdoor / directMay 21 – Jun 18
Bloom (from indoor)Jun 25 – Jul 23
Bloom (from outdoor)Aug 20 – Oct 1
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 Matthiola sowingSeed sources, counts, ratings, and the observations kept against each one.Matthiola trials