🌽 When to Plant Sweet Corn in Zone 11

Zone 11 is frost-free (Miami and the Keys, Hawaiʻi coasts) — plant sweet corn nearly year-round, avoiding peak summer heat.

No frost windows apply in zone 11. Plant sweet corn in late winter for a pre-summer harvest and again in late summer — peak heat is the season to avoid, not frost.
Zone 11 frost window
Frost-free
Miami and the Keys, Hawaiʻi coasts
Spacing
10″ / 30″
plants / rows
Maturity
65–90 days
from sowing

Growing sweet corn in zone 11

A single long row gives you half-filled ears; plant at least a 4×4 block so pollen finds the silks. Succession-sow every 2 weeks or plant early/mid/late varieties together for a month of harvest.

Zone 11 covers miami and the Keys, Hawaiʻi coasts — frost-free — plant warm-season crops most of the year; cool crops in the mildest months.

Make it local

These windows use zone 11's typical frost dates. For windows computed from your frost dates, run the ZIP code frost lookup and open the planting calendar — it remembers your city. The seed starting scheduler turns the whole seed rack into one printable, date-sorted list.

Frequently asked questions

When should I plant sweet corn in zone 11?

Zone 11 is frost-free, so timing flips from frost-avoidance to heat management: plant sweet corn nearly year-round, avoiding peak summer heat. Late winter and late summer plantings avoid fruiting during the hottest stretch.

Does sweet corn grow well in zone 11?

Yes — heat-loving crops like sweet corn thrive in zone 11, often across a far longer window than mainland gardens get. Watch water needs and intense midsummer sun.