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When to Plant Zucchini in Zone 9

In USDA zone 9, start seeds indoors around February 8, transplant or plant outdoors March 15 to May 9, and expect your first harvest around May 9.

Zucchini planting calendar for USDA Zone 9

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Start seeds indoors

Feb 8

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Transplant outdoors

Mar 15

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Projected first harvest

May 9

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🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 9a — approximate

Most zucchini mature in about 50 to 55 days depending on the variety. Dates use USDA zone 9a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 9 means for zucchini

Average last spring frost

March 1

Average first fall frost

December 1

Those two dates are what set the schedule above. Zone 9 gives you roughly 275 frost-free days, and zucchini need about 50 to 55 days depending on the variety to mature.

Varieties to grow

2 varieties of zucchini in the HomeSown library. Tap any for its full grow guide.

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