When should I plant zucchini in ZIP 70112?

In ZIP 70112, the main zucchini target is around Feb 20, based on the representative New Orleans frost station and USDA zone 9b.

When should I start zucchini seeds indoors in 70112?

Start zucchini seeds indoors in ZIP 70112 around Jan 20, about 21 days before the Feb 10 last-frost estimate.

Is this a guaranteed planting date?

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

ZIP 70112 planting calendar

When to plant zucchini in New Orleans, LA - Zone 9b

Q: When is the first frost in New Orleans?

New Orleans (ZIP 70112) has an average first fall frost around Dec 10, leaving about 303 frost-free days.

In ZIP 70112, plant zucchini around Feb 20; this uses the New Orleans frost station, USDA zone 9b, and zucchini timing rules.

Your New Orleans calendar has a 303-day estimated frost-free season. This estimate uses the representative New Orleans frost station, USDA zone 9b, and zucchini timing rules.

Source: new-orleans-lakefront frost station, USDA zone 9b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

USDA zone 9b New Orleans frost station LSU AgCenter Updated 2026-06-28

Read the method

Answer first

When to start zucchini seeds indoors in New Orleans

In ZIP 70112, start zucchini seeds indoors around Jan 20, about 21 days before the Feb 10 last-frost estimate.

Start zucchini seeds indoors in New Orleans around Jan 20, about 21 days before the Feb 10 last-frost estimate.

Seed starting schedule

Zucchini dates for New Orleans, LA

Step	Date	How to use it
Start Indoors	January 20, 2026	Start seeds under lights or in a bright indoor seed-starting space.
Transplant Outdoors	February 20, 2026	Move hardened-off seedlings outside after the frost-risk window.
Direct Sow	February 20, 2026	Sow seed outside when the crop and soil can handle the window.

Last frost

When is the last frost in New Orleans?

New Orleans (ZIP 70112) has an average last spring frost around Feb 10.

First frost

When is the first frost in New Orleans?

The average first fall frost is around Dec 10, giving about 303 frost-free days.

Season map

Zucchini windows by month

JanFebMarAprMayJunJulAugSepOctNovDec

Start indoors

Jan 20

Direct sow

Feb 20

Transplant

Feb 20

Harvest

Apr 16

Frost watch

Oct 16

Reminder workflow

Every date has a next action

Start zucchini indoorsJan 20

Last frost windowFeb 10

Direct sow zucchiniFeb 20

Transplant zucchiniFeb 20

First zucchini harvest windowApr 16

Last zucchini sowing targetOct 16

Signal	Value	Why it matters
Last frost estimate	February 10, 2026	Warm-season transplant risk starts falling after this window.
First frost estimate	December 10, 2026	Fall planting counts backward from this date.
Season length	303 days	Longer seasons can support succession crops.
Spacing	24-36 in	Airflow and root space affect yield.
Soil temperature	65 F+	Seeds and transplants stall in cold soil.

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Local data

Why this date changes by ZIP

New Orleans frost history and USDA zone 9b shift the safe planting window. GrowZone uses a local representative station instead of one national rule.

LSU AgCenter is the kind of local source to verify against when a crop is expensive, weather is unusual, or your yard has a cold pocket.

Crop note

Zucchini timing notes

One or two healthy plants can feed a household. Zucchini prefers full sun, 24-36 in spacing, and soil near 65 F+.

For fall, count backward from Dec 10. A conservative last sowing target is around Oct 16.