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Cut flowers2 varieties
Gomphrena
Gomphrena globosaHeat-tolerant annual with papery globe-shaped flower heads that retain color when dried. Also known as Globe Amaranth.

Days to maturity
75 daysDays to germ.
7–14 daysSpacing
6–12 inHeight
18–24 inSun
SunHow we grow it
Germination
- Days to germ.
- 7–14 d
- Light for germ
- light
- Pre-treatment
- Pre-sprout in wet paper towels placed in a warm location for a few days.
Culture
- Days to maturity
- 75 d
- Spacing
- 6–12 in
- Height
- 18–24 in
- Sun
- Sun
- Frost
- tender
- Sow indoors
- Yes
- Outdoor / direct
- Yes
Harvest
Timing · Zone 5a
JanFebMarAprMayJunJulAugSepOctNovDec
Sow indoorsApr 9
Outdoor / directMay 21 – Jun 18
Bloom (from indoor)Jun 21
Bloom (from outdoor)Aug 2 – 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 Gomphrena sowingSeed sources, counts, ratings, and the observations kept against each one.Gomphrena trials