
Perennials · warm season
Sweet corn
Zea mays
Ohio farm-stand crop that works in a backyard if you plant a block, not a single row.
- When to plant in Ohio
- Direct sow mid-May through early July in blocks
- Harvest window
- July through September, 18–24 days after silks appear
- Days to maturity
- 70–90
- Spacing
- 8–12 in.; at least 4 short rows for pollination
- Light
- Full sun
How to grow it
Sow 1 in. deep in warm soil. Plant in a block of at least 4×4 for full ears. Super-sweet types need isolation from other corn or they lose sugar. Water hard at tasseling. Harvest when silks are brown and a pierced kernel is milky. Eat the same day.

