Seasonwarm
Sun6+ hours
Plant spacing18 in
Container depth16 in
Start here
Direct sow after frost where height will not shade smaller crops.
Keep it going
Protect young seedlings from birds and keep soil moist until rooted.
Layout notes
Plan for the whole plant.
Leave about 24 inches between rows. The listed spacing is a starter distance for common varieties, so check seed packets or plant labels if your cultivar says otherwise.
Open spacing calculator ↗Practical nearby crops
Good starter neighbors for sunflowers.
This page is a maintained starter guide, not a diagnosis or local planting-date guarantee. Check your local Extension service and plant label before making seasonal or treatment decisions.
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