🏵️ When to Plant Marigolds in Zone 11

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

No frost windows apply in zone 11. Plant marigolds 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
8″ / 12″
plants / rows
Maturity
50–60 days
from sowing

Growing marigolds in zone 11

Cheap, fast, and nearly foolproof from direct-sown seed. Deadhead spent blooms weekly and they flower until frost. French marigolds are the compact ones for bed edges.

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 marigolds in zone 11?

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

Does marigolds grow well in zone 11?

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