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Cut flowers2 varieties
Amaranthus
Amaranthus cruentusWarm-season annual with upright burgundy foliage and tassel-like flower clusters useful fresh or dried.
Days to maturity
65–75 daysDays to germ.
4–10 daysSpacing
3–15 inHeight
48–60 inSun
SunHow we grow it
Germination
- Days to germ.
- 4–10 d
- Soil temp
- 70–75 °F
- Depth
- 0 in
- Light for germ
- light
Culture
- Days to maturity
- 65–75 d
- Spacing
- 3–15 in
- Height
- 48–60 in
- Sun
- Sun
- Frost
- Not frost hardy, and growth slows below 50. · to 32°F · tender
- Sow indoors
- Yes
- Outdoor / direct
- Yes
Harvest
- Cut stage
- Fresh - When at least 3/4 of the flowers on the inflorescence are open. Dried - Seed has begun to set and flowers feel firm.
- Handling
- Drying - Stand up trailing varieties in a bucket or any tall container to maintain draped appearance. Hang upright varieties to dry.
Recent field notes
Reached about 8-10" in height.
First true leaves.
Timing · Zone 5a
JanFebMarAprMayJunJulAugSepOctNovDec
Sow indoorsApr 9 – Apr 23
Outdoor / directMay 21 – Jun 18
Bloom (from indoor)Jun 14 – Jul 5
Bloom (from outdoor)Jul 26 – Aug 30
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 Amaranthus sowingSeed sources, counts, ratings, and the observations kept against each one.Amaranthus trials