Cosmos
Cosmos bipinnatus
About it
- Kind
- Flowers · Annual
- Family
- Asteraceae
- Mature size
- to 3.5 ft × 2 ft
- Blooms
- Jun–Oct
- Hardiness zones
- Zones 2–11
- Sun
- Full sun
- Spacing
- 12 in apart, rows 18 in
- Soil depth in a pot
- At least 10 in
- Soil pH
- 6–8
- Water
- About every 5 days
When to plant
- Ready
- About 60 days
Based on your last frost date. Outside the US, check local advice.
Planting partners
No cited companion planting notes for Cosmos yet.
Safety for pets and children
- Cats No information in our sources
- Dogs No information in our sources
- Horses No information in our sources
- Children No information in our sources
"No information" means our sources do not say, not that the plant is harmless. A non-toxic listing is not a reason to let anyone eat a plant.
Pests and diseases
No pest or disease notes for Cosmos yet.
Check the label and your local extension service before using any product.
Where this comes from
- family npgsweb.ars-grin.gov ↗ GRIN page: Cosmos bipinnatus Cav.
- Most facts NC State Extension ↗ Backfilled by 0041. Pre-0041 rows recorded one source for the whole row; per-field attribution was never captured and is not invented here.