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Wales

What to sow in Swansea

Swansea's Gower Peninsula location means a mild, wet maritime climate. The Gulf Stream keeps winters mild, and the growing season is generous — but you'll need to contend with Atlantic rain and wind.

Last frost date17 AprilEstimated average
First autumn frost19 OctoberEstimated average
Growing season185 daysFrost-free period
June 2026

What to sow in Swansea right now

Based on a last frost date of 17 April, these are the crops you can get going in Swansea this month.

No crops to sow this month in Swansea. Check back soon, or browse the full calendar.

Full year

Swansea sowing calendar

Month-by-month sowing times for Swansea, based on a last frost date of 17 April.

I = Sow indoorsD = Direct sowP = Plant out

Get more precise dates for Swansea

This guide uses the frost date for Swansea city centre. Your exact frost date depends on your postcode — enter it below for personalised sowing dates, soil temperature, and frost forecasts.

Near Swansea

Other sowing guides in Wales.

All UK sowing guides

Browse all 50 city guides or use the postcode tool.