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ZIP 28202 planting calendar

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

In ZIP 28202, plant cucumbers around Apr 15; this uses the Charlotte frost station, USDA zone 8a, and cucumbers 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 cucumbers 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 cucumbers seeds indoors in Charlotte

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

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

Seed starting schedule

Cucumbers dates for Charlotte, NC

StepDateHow to use it
Start IndoorsMarch 15, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsApril 15, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowApril 15, 2026Sow 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

Cucumbers windows by month

JanFebMarAprMayJunJulAugSepOctNovDec
Start indoors
Mar 15
Direct sow
Apr 15
Transplant
Apr 15
Harvest
Jun 14
Frost watch
Sep 6

Reminder workflow

Every date has a next action

Start cucumbers indoorsMar 15
Last frost windowApr 5
Direct sow cucumbersApr 15
Transplant cucumbersApr 15
First cucumbers harvest windowJun 14
Last cucumbers sowing targetSep 6
SignalValueWhy it matters
Last frost estimateApril 5, 2026Warm-season transplant risk starts falling after this window.
First frost estimateNovember 5, 2026Fall planting counts backward from this date.
Season length214 daysLonger seasons can support succession crops.
Spacing12-18 inAirflow and root space affect yield.
Soil temperature65 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

Cucumbers timing notes

Use a trellis if space is tight and keep soil evenly moist. Cucumbers prefers full sun, 12-18 in spacing, and soil near 65 F+.

For fall, count backward from Nov 5. A conservative last sowing target is around Sep 6.