When to plant pumpkin in Dallas

In Dallas, typical last spring frost is February 20 and typical first fall frost is December 7. Typical last spring frost: February 20. Pumpkin in Dallas is a good fit outdoors. The suitable growing window of 198 days covers the 90–120 days this plant usually needs.

Pumpkin

How to grow Pumpkin Dallas climate Weekly temperatures and windows

Where are you growing?

Comfortable

Comfortable in greenhouse

Comfortable in a cold frame

Pumpkin in Dallas is a good fit outdoors. The suitable growing window of 198 days covers the 90–120 days this plant usually needs.

When to plantApril 1 – May 26

Harvest: June 30 – September 23
Season vs crop: 198 grow days vs 90–120 needed
Typical frost (last spring – first fall): February 20 – December 7

Pumpkin in Dallas is a good fit outdoors. The suitable growing window of 198 days covers the 90–120 days this plant usually needs.

Planting conditions

Direct sow
Grow outdoors
Harvest

Local activity windows for this place and growing method. Blue fill is usually too cold for this plant. Dashed lines are typical last and first frost.

Suitable growing days in a row198

Days to harvest90–120 days from seed

Apr 1 – May 26

Direct sow

May 27 – Jun 29

Grow outdoors

Jun 30 – Sep 23

Harvest

Activity	Window	Notes
Direct sow	Apr 1 – May 26	Plant outdoors in this window.
Grow outdoors	May 27 – Jun 29	Plants grow outdoors until harvest.
Harvest	Jun 30 – Sep 23	Expected harvest from typical days to harvest.

Direct sow
Grow outdoors
Harvest

Blue fill is usually too cold for this plant. Dashed lines are typical last and first frost (35 seasons (1991–2025)). Adjust a week or two for your conditions.

Planting and growing across the year

Planting is the sow / plant-out window. Growing is daytime air versus this plant’s ideal (21 – 35 °C70 – 95 °F21 – 35 °C (70 – 95 °F)) and tolerable (16 – 38 °C61 – 100 °F16 – 38 °C (61 – 100 °F)) ranges.

Ideal / plantable
Tolerable
Too cold
Too hot
Outside window

Planting uses sow / plant-out rules; growing shows daytime air against this plant’s ideal and tolerable ranges.

Key dates

Typical last spring frostFebruary 20

Low-risk last spring frostMarch 12

Typical first fall frostDecember 7

Low-risk first fall frostNovember 13

Frost-free days289

Outdoor sow dateApril 1

Direct sow windowApril 1 – May 26

Suitable growing windowApril 1 – October 15 (198 days)

Expected harvestJune 30 – September 23

How these dates are judged

Ideal conditions: Daytime air from 21 – 35 °C70 – 95 °F21 – 35 °C (70 – 95 °F).
Suitable conditions: Daytime air from 16 – 38 °C61 – 100 °F16 – 38 °C (61 – 100 °F).
Last frost and first frost: Typical spring and fall frost dates for Dallas, shown in the key dates.
Days to harvest: 90–120 days from seed, from typical days to harvest.
Sowing window: Dated sow and harvest bars use frost dates, soil minima, night limits, and last-sow count-back from typical crop timing. Air ratings on the weekly chart colour only weeks inside that same window — see weekly temperatures and windows.

Other plants for Dallas

Calculated by Plan & Plant. Method. Data 35 seasons (1991–2025).

Frost and suitability dates are typical figures from climate statistics.

Based on 35 years (1991–2025) of ERA5-Land data from Open-Meteo, for an area of about 10 km. Typical dates, not a guarantee.

Dates for Dallas use ERA5-Land cell 32.78, -96.80. How we calculated this · Algorithm 2026-10-season-10.

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