When to plant zinnias in Zone 11

In Zone 11, the last spring frost usually passes around January 1 and the first fall frost arrives around December 31, leaving about 365 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.

Frost-free, tropical. Year-round growing; timing follows wet/dry and heat, not frost.

Planting windows for zinnias in Zone 11

The harvest estimate counts 60 days to maturity, then a picking window of about 70 days. These windows use typical frost dates for Zone 11; Dibble pins them to your exact ZIP code.

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Zinnia in a Zone 11 season

Zone 11 gives about 365 frost-free days. Zinnia needs roughly 60 days from sowing. That leaves about 305 days of slack, so there is room for a late start or a second planting.

Sowing every 21 days, Zone 11 has room for about 15 plantings.

How to grow zinnias

Sow zinnias right after last frost. Cut often, the more you pick, the more they bloom.

Companion plants

Good neighbors for Zinnia:

Zinnia in other zones

Not in Zone 11? Pick your zone for the same dated windows.

Keep exploring

Zinnia: the full growing guide · The Zone 11 planting calendar · Every crop and zone

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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.