When to plant winter squash in Little Rock, Arkansas

April 4 – April 18

Transplant outdoors · typical Little Rock year

Climate basis: NOAA station Little Rock AP Adams Fld, AR (USW00013963), 3 mi (4 km) from downtown Little Rock (ZCTA 72201 centroid), elevation 258 ft, on the 1991–2020 climate normals. Transplant winter squash outdoors from approximately the dates above, anchored to the median last spring 32°F freeze (March 21). One year in ten still freezes after April 6.

Last spring freezeMarch 211-in-10 after Apr 6

First fall freezeNovember 101-in-10 before Oct 29

Frost-free season≈ 234 daysmedian at 32°F

Hard freeze, 28°Mar 8 – Nov 21kills even hardy greens

USDA zone8a10 to 15°F winter low — not frost timing

The Little Rock year

Start seeds indoorsMar 7 – Mar 14

Transplant outdoorsApr 4 – Apr 18

Direct-sow outdoorsApr 4 – Apr 18

indoors under lights
in the garden
frost-free season
1-in-10 years still freeze to Apr 6

Winter squash in Little Rock · freeze context from Little Rock AP Adams Fld, AR, 1991–2020 normals.

Every method, with its sources

Start seeds indoors

Mar 7 – Mar 14

Sow in pots 3–4 weeks before the outdoor window opens (UNH 3–4 weeks; Missouri G6570 3–5 weeks). Anchored to the median last spring freeze (Mar 21). University of New Hampshire Extension · University of Missouri Extension

Transplant outdoors

Apr 4 – Apr 18

UNH: set out 2 weeks after last frost; Purdue very-tender class agrees. Anchored to the median last spring freeze (Mar 21). University of New Hampshire Extension · Purdue University Extension

Direct-sow outdoors

Apr 4 – Apr 18

Purdue: very tender — at least two weeks after the average last frost; Penn State earliest sowing May 15 (+14 days) agrees. Anchored to the median last spring freeze (Mar 21). Purdue University Extension · Penn State Extension (York County Master Gardeners)

Variety assumption: Assumes an average butternut/acorn-type variety (about 90–110 days; Penn State lists 90). Fruit must mature before fall frost.

These windows describe typical years (1991–2020 climate normals), not this year's forecast. Freezes happen outside them — especially in frost pockets, valleys, and urban edges. Watch the forecast before committing tender plants.

This week, not a typical year:

Crop rule sources (4)

University of New Hampshire Extension: Growing Vegetables: When to Plant Your Vegetable Garden [fact sheet] (accessed 2026-07-24)
Per-crop 'time from seed to transplant' and 'safe to set out in garden' relative to last frost.
University of Missouri Extension: Starting Plants Indoors from Seeds (G6570) (accessed 2026-07-24)
Weeks needed to grow vegetable transplants indoors (Table 2).
Purdue University Extension: Indiana Vegetable Planting Calendar (HO-186-W) (accessed 2026-07-24)
Hardiness classes: hardy = plant 4-6 wk before last spring frost; semi-hardy = 2-4 wk before; tender = after average last frost; very tender = at least 2 wk after. Table 2: fall planting at least 4-8 wk before first fall frost.
Penn State Extension (York County Master Gardeners): Vegetable Seed Planting Guide (accessed 2026-07-24)
Earliest/latest sowing dates for a May 1 last-frost / Oct 1 first-frost baseline; offsets derived by date difference from May 1. Also days-to-maturity figures.

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