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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 spacing9 in (23 cm) apart
Row spacing12 in (30 cm) apart
Planting depth1/4 inch
SunlightFull sun
When to plantAfter last frost
Good companionstomatoes, melons
Avoid nearnone 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.

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