Sow warm
Start 5–7 weeks ahead, or direct sow after frost once soil passes 60°F; cover lightly.
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A seed worth growing
Cranberry-red double cosmos.
Double Click cosmos have fully double and semi-double flowers 2–3" across on tall plants with strong stems for cutting.
The solid cranberry color adds depth to arrangements. Also called garden cosmos.
Plants grow 42–46" tall and flower about 75–90 days from sowing. Open-pollinated.
In stock — Packet
Know before you sow
Growing times vary with weather, soil and local conditions.
Start 5–7 weeks ahead, or direct sow after frost once soil passes 60°F; cover lightly.
Pinch young plants; space 9–12" apart, wider for sturdier stems.
Horizontal netting keeps tall cosmos upright in the wind.
Harvest as petals begin to open; keep cutting for flowers all summer.
Seedlings usually appear within a week to 10 days when kept at 68–72°F (20–22°C).
Start seed in 50-cell trays or similar, barely covered, about 5–7 weeks ahead of your planting-out date. Harden off and move outside once frost is over.
Wait until frost is past and the soil has warmed past 60°F (16°C), then sow and just cover the seed.
Pinch young plants to make them branch.
Full sun.
42–46".
9–12". Giving plants more room produces thicker, sturdier stems.
Grown as an annual.
Cut when the petals are just unfolding and before they lie flat. Keep cutting or deadheading to keep plants blooming all summer.
Not fussy; any reasonable soil will do.
A fine cut flower that also fills beds, pots and big drifts.
Cosmos bipinnatus
25 seeds.
About 3,800 on average.
We want every packet you buy from Hensley’s Seed Co. to grow well for you.
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