How Far Apart to Plant Zinnias?
Space Zinnias 9 inches apart within the row, and keep 12 inches between rows. Water at the base, not overhead, to avoid mildew.
| Plant spacing | 9 in (23 cm) apart |
| Row spacing | 12 in (30 cm) apart |
| Planting depth | 1/4 inch |
| Sunlight | Full sun |
| When to plant | After last frost |
| Good companions | tomatoes, melons |
| Avoid near | none major |
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Spacing tips for Zinnias
Good airflow at 9 inches is key because crowded zinnias get powdery mildew.
Companion planting
Plant near: tomatoes, melons.
Keep away from: none major.
Frequently asked questions
- How far apart should I plant Zinnias?
- Space Zinnias about 9 inches apart within the row, with 12 inches between rows. Water at the base, not overhead, to avoid mildew.
- How deep do I plant Zinnias?
- Plant Zinnias at a depth of 1/4 inch.
- What grows well with Zinnias?
- Good companions for Zinnias include tomatoes, melons. Avoid planting near none major.