Plant Database / Vegetables / Sweet Corn
Vegetables

Sweet Corn

Zea mays
Poaceae (Grass)

Plant in blocks, not rows, so wind can pollinate it. Nothing beats corn picked minutes before the pot.

EdibleAnnualFull sunHeat-lover
Sweet Corn (Zea mays) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun
Water
High at tasseling
Soil
Rich, nitrogen-hungry
pH
6.0–6.8
Hardiness
Warm-season annual
Height
6–8 ft
Spacing
8–12 in
Days to harvest
65–90

What it is

Sweet Corn (Zea mays) is in the Poaceae (Grass) family. Plant in blocks, not rows, so wind can pollinate it. Nothing beats corn picked minutes before the pot.

How to grow it

It wants full sun, water it high at tasseling, and give it rich, nitrogen-hungry soil. Target a soil pH around 6.0–6.8. Space plants about 8–12 in apart. Expect roughly 65–90. Warm-season annual.

How it's used

Sweet Corn is used: boiled, grilled, roasted, frozen.

🔎 How to identify it

  • Tall single grass stalk
  • Tassel on top, silks from the ear
  • Ears in the leaf joints

Edibility

PartsKernels
UsesBoiled, grilled, roasted, frozen
CautionPick at 'milk stage' — sugars convert to starch fast after harvest.
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.