Amaranthus - Key Growing Information
DAYS TO GERMINATION:
Seedlings appear in about 7–10 days at 70–75°F (21–24°C).SOWING:
For transplants, start seed 4–6 weeks ahead and keep seedlings at 62–65°F (17–18°C) until they go outside. To sow in the garden, wait until frost is no longer expected. Plan on staking or netting.LIGHT PREFERENCE:
Sun.PLANT HEIGHT:
Depends on variety; tall types benefit from support.PLANT SPACING:
Generally 12–15" apart. For upright plume types, planting closer, at 3–6", produces slimmer stems that are easier to handle in arrangements.HARDINESS ZONES:
Grown as an annual.VASE LIFE:
About 7–10 days.HARVEST:
Fresh: cut once three-quarters or more of the flower head has opened.Dried: wait until seed is starting to form and the flowers feel firm to the touch.
To dry trailing types and keep their drape, stand the stems upright in a bucket or other tall container. Upright types can simply be hung to dry.
