When should I plant zucchini in ZIP 28202?

In ZIP 28202, the main zucchini target is around Apr 15, based on the representative Charlotte frost station and USDA zone 8a.

When should I start zucchini seeds indoors in 28202?

Start zucchini seeds indoors in ZIP 28202 around Mar 15, about 21 days before the Apr 5 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 28202 planting calendar

When to plant zucchini in Charlotte, NC - Zone 8a

Q: When is the first frost in Charlotte?

Charlotte (ZIP 28202) has an average first fall frost around Nov 5, leaving about 214 frost-free days.

In ZIP 28202, plant zucchini around Apr 15; this uses the Charlotte frost station, USDA zone 8a, and zucchini timing rules.

Your Charlotte calendar has a 214-day estimated frost-free season. This estimate uses the representative Charlotte frost station, USDA zone 8a, and zucchini timing rules.

Source: charlotte-douglas frost station, USDA zone 8a, 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 8a Charlotte frost station NC State Extension Updated 2026-06-28

Read the method

Answer first

When to start zucchini seeds indoors in Charlotte

In ZIP 28202, start zucchini seeds indoors around Mar 15, about 21 days before the Apr 5 last-frost estimate.

Start zucchini seeds indoors in Charlotte around Mar 15, about 21 days before the Apr 5 last-frost estimate.

Seed starting schedule

Zucchini dates for Charlotte, NC

Step	Date	How to use it
Start Indoors	March 15, 2026	Start seeds under lights or in a bright indoor seed-starting space.
Transplant Outdoors	April 15, 2026	Move hardened-off seedlings outside after the frost-risk window.
Direct Sow	April 15, 2026	Sow seed outside when the crop and soil can handle the window.

Last frost

When is the last frost in Charlotte?

Charlotte (ZIP 28202) has an average last spring frost around Apr 5.

First frost

When is the first frost in Charlotte?

The average first fall frost is around Nov 5, giving about 214 frost-free days.

Season map

Zucchini windows by month

JanFebMarAprMayJunJulAugSepOctNovDec

Start indoors

Mar 15

Direct sow

Apr 15

Transplant

Apr 15

Harvest

Jun 9

Frost watch

Sep 11

Reminder workflow

Every date has a next action

Start zucchini indoorsMar 15

Last frost windowApr 5

Direct sow zucchiniApr 15

Transplant zucchiniApr 15

First zucchini harvest windowJun 9

Last zucchini sowing targetSep 11

Signal	Value	Why it matters
Last frost estimate	April 5, 2026	Warm-season transplant risk starts falling after this window.
First frost estimate	November 5, 2026	Fall planting counts backward from this date.
Season length	214 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

Charlotte frost history and USDA zone 8a shift the safe planting window. GrowZone uses a local representative station instead of one national rule.

NC State Extension 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 Nov 5. A conservative last sowing target is around Sep 11.