When to plant beets in Charlotte, North Carolina

March 2 – March 16

Direct-sow outdoors · typical Charlotte year

Climate basis: NOAA station Charlotte Douglas AP, NC (USW00013881), 6 mi (10 km) from downtown Charlotte (ZCTA 28202 centroid), elevation 728 ft, on the 1991–2020 climate normals. Direct-sow beets from approximately the dates above, anchored to the median last spring 32°F freeze (March 30). One year in ten still freezes after April 14.

Last spring freezeMarch 301-in-10 after Apr 14

First fall freezeNovember 31-in-10 before Oct 22

Frost-free season≈ 221 daysmedian at 32°F

Hard freeze, 28°Mar 17 – Nov 14kills even hardy greens

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

The Charlotte year

Direct-sow outdoorsMar 2 – Mar 16

Fall plantingSep 8 – Oct 6

indoors under lights
in the garden
frost-free season
1-in-10 years still freeze to Apr 14

Beets in Charlotte · freeze context from Charlotte Douglas AP, NC, 1991–2020 normals.

Every method, with its sources

Direct-sow outdoors

Mar 2 – Mar 16

Purdue: semi-hardy — 2–4 weeks before the last frost. Penn State sows from Apr 1 (−30) and UNH keys to 45°F soil; the later Purdue range is used. Anchored to the median last spring freeze (Mar 30). Purdue University Extension · Penn State Extension (York County Master Gardeners) · University of New Hampshire Extension

Fall planting

Sep 8 – Oct 6

Purdue Table 2: plant fall beets at least 4–8 weeks before the first fall frost, allowing for days to maturity. Anchored to the median first fall freeze (Nov 3). Purdue University Extension

Variety assumption: Assumes an average round variety (about 55–70 days; Penn State lists 70).

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 (3)

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.
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.

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