When to plant sweet potato 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. Sweet potato in Dallas is a good fit outdoors. The suitable growing window of 204 days covers the 85–140 days this plant usually needs.

Sweet potato

How to grow Sweet potato Dallas climate Weekly temperatures and windows

Where are you growing?

Comfortable

Tight fit in greenhouse

Comfortable in a cold frame

Sweet potato in Dallas is a good fit outdoors. The suitable growing window of 204 days covers the 85–140 days this plant usually needs.

When to plantMarch 26 – May 20

Harvest: June 19 – October 7
Season vs crop: 204 grow days vs 85–140 needed
Typical frost (last spring – first fall): February 20 – December 7

Sweet potato in Dallas is a good fit outdoors. The suitable growing window of 204 days covers the 85–140 days this plant usually needs.

Planting conditions

Suitable growing days in a row204

Days to harvest85–140 days from planting

No planting window is recorded for this place.

Too cold
Frost line

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 – 32 °C70 – 90 °F21 – 32 °C (70 – 90 °F)) and tolerable (16 – 35 °C61 – 95 °F16 – 35 °C (61 – 95 °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

Earliest indoor seed startFebruary 12

Latest indoor seed startApril 8

Transplant outdoorsMarch 26 – May 20

Direct sow windownot recommended here

Suitable growing windowMarch 26 – October 15 (204 days)

Expected harvestJune 19 – October 7

How these dates are judged

Ideal conditions: Daytime air from 21 – 32 °C70 – 90 °F21 – 32 °C (70 – 90 °F).
Suitable conditions: Daytime air from 16 – 35 °C61 – 95 °F16 – 35 °C (61 – 95 °F).
Last frost and first frost: Typical spring and fall frost dates for Dallas, shown in the key dates.
Days to harvest: 85–140 days from planting, 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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