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Cut flowers3 varieties

Celosia

Celosia argentea plumosa

Heat-loving annual with crested or plumed flower heads that hold well in fresh and dried arrangements.

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Days to maturity

85–95 days

Days to germ.

8–14 days

Spacing

6–12 in

Height

12–48 in

Sun

Sun,Partial Shade

Vase life

7–14 days

How we grow it

Germination

Days to germ.
8–14 d
Soil temp
70–80 °F
Depth
0.125 in
Light for germ
light

Culture

Days to maturity
85–95 d
Spacing
6–12 in
Height
12–48 in
Sun
Sun,Partial Shade
Frost
No frost tolerance. Thrives in heat. · tender
Outdoor / direct
No

Harvest

Cut stage
Fresh - Harvest when the flowers are fully developed, and stems are firm at the base of the bloom. Dried - Harvest at the same stage of growth as you would for fresh flowers. Remove all the foliage and hang in a dark, well-ventilated location to dry.
Vase life
7–14 d
Handling
Ideal storage temperature is 36-41°F.

Recent field notes

Observation

First sign of a blossom.

Transplanted

Only 4 plants made it to this stage.

Transplanted

Transplanted.

Timing · Zone 5a

JanFebMarAprMayJunJulAugSepOctNovDec
Sow indoorsMar 26 – Apr 9
Bloom (from indoor)Jul 2 – 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.

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Trials

Every Celosia sowingSeed sources, counts, ratings, and the observations kept against each one.Celosia trials
Suits
  • PinchEncourages branching and uniform flower size.
Not for
  • SuccessionThey take too long to mature for this to be a good idea.
  • Cut-and-Come-AgainThe first blossom is the largest, although it will produce smaller side-blossoms.

Varieties

3 varieties on record