Popcorn

Popcorn

Zea mays var. everta

Sow outdoors 1 week after your last spring frost. Space plants 8 in (20 cm) apart.

Photo: User:Royalbroil, CC BY-SA 2.5 · source

When to plant

Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.

See the dates for your garden

Enter your average last spring frost and first fall frost. Every timing on this site turns into a calendar date. Not sure of yours? Your local extension service or a search for “last frost date” and your town will tell you; the app finds them from your location.

Last spring frost
First fall frost

Saved in this browser only. Nothing is sent anywhere.

Optimal Direct Sow

From seedRecommended
  1. Sow outdoors1 week after your last spring frost
  2. First harvestabout 100 days after sowing

Growing popcorn

Spacing in the row
8 in (20 cm)
Between rows
30 in (76 cm)
Planting depth
1-2 inches
Sun
Full Sun
Mature height
6-8 ft
Life cycle
Annual

Feeding

How often
At planting, then 2 times during the season. Side-dress nitrogen beside the row when plants are knee-high (8-10 leaves) and a smaller dose when tassels and silks appear, watering it in.

Your popcorn, planned to the day.

Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.

Add popcorn to your planting calendar →

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