How Far Apart to Plant Cosmos?
Space Cosmos 12 inches apart within the row, and keep 18 inches between rows. Avoid rich soil, which gives leaves at the expense of flowers.
| Plant spacing | 12 in (30 cm) apart |
| Row spacing | 18 in (46 cm) apart |
| Planting depth | 1/4 inch |
| Sunlight | Full sun |
| When to plant | After last frost |
| Good companions | sunflowers, zinnias |
| Avoid near | none major |
ðą How many Cosmos plants fit in my bed?
Spacing tips for Cosmos
Airy and tall, cosmos lean on each other at 12 inches for support.
Companion planting
Plant near: sunflowers, zinnias.
Keep away from: none major.
Frequently asked questions
- How far apart should I plant Cosmos?
- Space Cosmos about 12 inches apart within the row, with 18 inches between rows. Avoid rich soil, which gives leaves at the expense of flowers.
- How deep do I plant Cosmos?
- Plant Cosmos at a depth of 1/4 inch.
- What grows well with Cosmos?
- Good companions for Cosmos include sunflowers, zinnias. Avoid planting near none major.