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Wales, UK

Planting calendar for Llanelli

Last frost around 24 March, first frost around 30 November: about 251 frost-free days.

Last frost
24 March
on average
First frost
30 November
on average
Frost-free days
251
in a typical year

Sow now: November

See the whole year

The year at a glance

When each crop can be sown in Llanelli. Tap a crop for exact dates and when it’s ready to harvest.

Sow outdoorsSow under cover (a greenhouse or polytunnel)
When to sow each crop in Llanelli, month by month. Each month says whether you can sow outdoors, under cover, or both.
CropJJanFFebMMarAAprMMayJJunJJulAAugSSepOOctNNovDDec
Fruiting
TomatoJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ChilliJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Sweet pepperJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
AubergineJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Sow under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
CourgetteJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
CucumberJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
SquashJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
SweetcornJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Roots
CarrotJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
BeetrootJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ParsnipJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
RadishJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
PotatoJanuary: Not this monthFebruary: Plant under coverMarch: Plant outdoors and under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
TurnipJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
Leaves
LettuceJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
SpinachJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Swiss chardJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
RocketJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
CeleryJanuary: Sow under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Beans and peas
Runner beanJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
French beanJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Sow under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Broad beanJanuary: Not this monthFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Sow under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow under cover
PeaJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Onion family
OnionJanuary: Not this monthFebruary: Plant under coverMarch: Plant outdoors and under coverApril: Plant outdoors and under coverMay: Plant under coverJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
GarlicJanuary: Plant under coverFebruary: Not this monthMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant outdoors and under coverDecember: Plant outdoors and under cover
LeekJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Spring onionJanuary: Sow under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
ShallotJanuary: Plant outdoors and under coverFebruary: Plant outdoors and under coverMarch: Plant outdoors and under coverApril: Plant outdoors and under coverMay: Plant under coverJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Brassicas
CabbageJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
BroccoliJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
CauliflowerJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Brussels sproutJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
KaleJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Pak choiJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
Herbs
BasilJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow under coverSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
ParsleyJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow under coverOctober: Not this monthNovember: Not this monthDecember: Not this month
CorianderJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow under coverNovember: Not this monthDecember: Not this month
ChivesJanuary: Not this monthFebruary: Sow under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
MintJanuary: Not this monthFebruary: Not this monthMarch: Sow under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under coverJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow under coverDecember: Not this month
Fruit
StrawberryJanuary: Not this monthFebruary: Plant under coverMarch: Plant outdoors and under coverApril: Plant outdoors and under coverMay: Plant outdoors and under coverJune: Plant under coverJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
RaspberryJanuary: Plant outdoors and under coverFebruary: Plant under coverMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Not this monthOctober: Plant under coverNovember: Plant outdoors and under coverDecember: Plant outdoors and under cover
RhubarbJanuary: Plant outdoors and under coverFebruary: Plant under coverMarch: Not this monthApril: Not this monthMay: Not this monthJune: Not this monthJuly: Not this monthAugust: Not this monthSeptember: Plant under coverOctober: Plant outdoors and under coverNovember: Plant outdoors and under coverDecember: Plant outdoors and under cover

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors 22 May to 20 Jun; Under cover 24 Apr to 18 Jul
Tomato growing on a plot
Sow outdoors
22 May to 20 Jun
Under cover
24 Apr to 18 Jul
First harvest
About 108 days after sowing. Sown on 22 May, ready around 7 September.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Tomato across the UK, town by town
ChilliOutdoors 21 May to 20 Jun; Under cover 23 Apr to 18 Jul
Chilli growing on a plot
Sow outdoors
21 May to 20 Jun
Under cover
23 Apr to 18 Jul
First harvest
About 125 days after sowing. Sown on 21 May, ready around 23 September.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Chilli across the UK, town by town
Sweet pepperOutdoors 26 May to 27 Jun; Under cover 28 Apr to 25 Jul
Sweet pepper growing on a plot
Sow outdoors
26 May to 27 Jun
Under cover
28 Apr to 25 Jul
First harvest
About 119 days after sowing. Sown on 26 May, ready around 22 September.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Sweet pepper across the UK, town by town
AubergineOutdoors 26 May to 20 Jun; Under cover 28 Apr to 18 Jul
Aubergine growing on a plot
Sow outdoors
26 May to 20 Jun
Under cover
28 Apr to 18 Jul
First harvest
About 121 days after sowing. Sown on 26 May, ready around 24 September.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Aubergine across the UK, town by town
CourgetteOutdoors 21 May to 11 Jul; Under cover 23 Apr to 8 Aug
Courgette growing on a plot
Sow outdoors
21 May to 11 Jul
Under cover
23 Apr to 8 Aug
First harvest
About 62 days after sowing. Sown on 21 May, ready around 22 July.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Courgette across the UK, town by town
CucumberOutdoors 21 May to 11 Jul; Under cover 23 Apr to 8 Aug
Cucumber growing on a plot
Sow outdoors
21 May to 11 Jul
Under cover
23 Apr to 8 Aug
First harvest
About 72 days after sowing. Sown on 21 May, ready around 1 August.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Cucumber across the UK, town by town
SquashOutdoors 21 May to 27 Jun; Under cover 23 Apr to 25 Jul
Squash growing on a plot
Sow outdoors
21 May to 27 Jun
Under cover
23 Apr to 25 Jul
First harvest
About 109 days after sowing. Sown on 21 May, ready around 7 September.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Squash across the UK, town by town
SweetcornOutdoors 15 May to 27 Jun; Under cover 17 Apr to 25 Jul
Sweetcorn growing on a plot
Sow outdoors
15 May to 27 Jun
Under cover
17 Apr to 25 Jul
First harvest
About 101 days after sowing. Sown on 15 May, ready around 24 August.
Warmth
Tender: needs days averaging 11°C or more, and no frost.
Sweetcorn across the UK, town by town

Roots

CarrotOutdoors 27 Mar to 31 Jul; Under cover 27 Feb to 28 Aug
Carrot growing on a plot
Sow outdoors
27 Mar to 31 Jul
Under cover
27 Feb to 28 Aug
First harvest
About 106 days after sowing. Sown on 27 March, ready around 11 July.
Warmth
Hardy: grows once days average 7°C.
Carrot across the UK, town by town
BeetrootOutdoors 27 Mar to 5 Aug; Under cover 27 Feb to 2 Sep
Beetroot growing on a plot
Sow outdoors
27 Mar to 5 Aug
Under cover
27 Feb to 2 Sep
First harvest
About 75 days after sowing. Sown on 27 March, ready around 10 June.
Warmth
Hardy: grows once days average 7°C.
Beetroot across the UK, town by town
ParsnipOutdoors 7 Mar to 2 Jun; Under cover 7 Feb to 30 Jun
Parsnip growing on a plot
Sow outdoors
7 Mar to 2 Jun
Under cover
7 Feb to 30 Jun
First harvest
About 140 days after sowing. Sown on 7 March, ready around 25 July.
Warmth
Hardy: grows once days average 6°C.
Parsnip across the UK, town by town
RadishOutdoors 7 Mar to 24 Sep; Under cover 7 Feb to 22 Oct
Radish growing on a plot
Sow outdoors
7 Mar to 24 Sep
Under cover
7 Feb to 22 Oct
First harvest
About 31 days after sowing. Sown on 7 March, ready around 7 April.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Radish across the UK, town by town
PotatoOutdoors 7 Mar to 10 May; Under cover 7 Feb to 7 Jun
Potato growing on a plot
Plant outdoors
7 Mar to 10 May
Under cover
7 Feb to 7 Jun
First harvest
About 110 days after planting. Planted on 7 March, ready around 25 June.
Warmth
Hardy: grows once days average 6°C.
Potato across the UK, town by town
TurnipOutdoors 7 Mar to 23 Aug; Under cover 7 Feb to 20 Sep
Turnip growing on a plot
Sow outdoors
7 Mar to 23 Aug
Under cover
7 Feb to 20 Sep
First harvest
About 67 days after sowing. Sown on 7 March, ready around 13 May.
Warmth
Hardy: grows once days average 6°C.
Turnip across the UK, town by town

Leaves

LettuceOutdoors 13 Mar to 19 Aug; Under cover 13 Feb to 16 Sep
Lettuce growing on a plot
Sow outdoors
13 Mar to 19 Aug
Under cover
13 Feb to 16 Sep
First harvest
About 76 days after sowing. Sown on 13 March, ready around 28 May.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Lettuce across the UK, town by town
SpinachOutdoors 7 Mar to 26 Sep; Under cover 7 Feb to 24 Oct
Spinach growing on a plot
Sow outdoors
7 Mar to 26 Sep
Under cover
7 Feb to 24 Oct
First harvest
About 50 days after sowing. Sown on 7 March, ready around 26 April.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Spinach across the UK, town by town
Swiss chardOutdoors 27 Mar to 23 Aug; Under cover 27 Feb to 20 Sep
Swiss chard growing on a plot
Sow outdoors
27 Mar to 23 Aug
Under cover
27 Feb to 20 Sep
First harvest
About 64 days after sowing. Sown on 27 March, ready around 30 May.
Warmth
Hardy: grows once days average 7°C.
Swiss chard across the UK, town by town
RocketOutdoors 7 Mar to 25 Sep; Under cover 7 Feb to 23 Oct
Rocket growing on a plot
Sow outdoors
7 Mar to 25 Sep
Under cover
7 Feb to 23 Oct
First harvest
About 45 days after sowing. Sown on 7 March, ready around 21 April.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Rocket across the UK, town by town
CeleryOutdoors 14 Feb to 29 Apr; Under cover 17 Jan to 27 May
Celery growing on a plot
Sow outdoors
14 Feb to 29 Apr
Under cover
17 Jan to 27 May
First harvest
About 148 days after sowing. Sown on 14 February, ready around 12 July.
Warmth
Hardy: grows once days average 5°C.
Celery across the UK, town by town

Beans and peas

Runner beanOutdoors 15 May to 11 Jul; Under cover 17 Apr to 8 Aug
Runner bean growing on a plot
Sow outdoors
15 May to 11 Jul
Under cover
17 Apr to 8 Aug
First harvest
About 92 days after sowing. Sown on 15 May, ready around 15 August.
Warmth
Tender: needs days averaging 11°C or more, and no frost.
Runner bean across the UK, town by town
French beanOutdoors 15 May to 31 Jul; Under cover 17 Apr to 28 Aug
French bean growing on a plot
Sow outdoors
15 May to 31 Jul
Under cover
17 Apr to 28 Aug
First harvest
About 73 days after sowing. Sown on 15 May, ready around 27 July.
Warmth
Tender: needs days averaging 11°C or more, and no frost.
French bean across the UK, town by town
Broad beanOutdoors 2 Oct to 1 Dec; Under cover 4 Sep to 29 Dec
Broad bean growing on a plot
Sow outdoors
2 Oct to 1 Dec
Under cover
4 Sep to 29 Dec
First harvest
About 220 days after sowing. Sown on 2 October, ready around 10 May.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Broad bean across the UK, town by town
PeaOutdoors 7 Mar to 20 Jun; Under cover 7 Feb to 18 Jul
Pea growing on a plot
Sow outdoors
7 Mar to 20 Jun
Under cover
7 Feb to 18 Jul
First harvest
About 89 days after sowing. Sown on 7 March, ready around 4 June.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Pea across the UK, town by town

Onion family

OnionOutdoors 28 Feb to 29 Apr; Under cover 31 Jan to 27 May
Onion growing on a plot
Plant outdoors
28 Feb to 29 Apr
Under cover
31 Jan to 27 May
First harvest
About 153 days after planting. Planted on 28 February, ready around 31 July.
Warmth
Hardy: grows once days average 6°C.
Onion across the UK, town by town
GarlicOutdoors 2 Oct to 14 Dec; Under cover 4 Sep to 11 Jan
Garlic growing on a plot
Plant outdoors
2 Oct to 14 Dec
Under cover
4 Sep to 11 Jan
First harvest
About 250 days after planting. Planted on 2 October, ready around 9 June.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Garlic across the UK, town by town
LeekOutdoors 7 Mar to 11 Jul; Under cover 7 Feb to 8 Aug
Leek growing on a plot
Sow outdoors
7 Mar to 11 Jul
Under cover
7 Feb to 8 Aug
First harvest
About 160 days after sowing. Sown on 7 March, ready around 14 August.
Warmth
Hardy: grows once days average 6°C.
Leek across the UK, town by town
Spring onionOutdoors 14 Feb to 12 Sep; Under cover 17 Jan to 10 Oct
Spring onion growing on a plot
Sow outdoors
14 Feb to 12 Sep
Under cover
17 Jan to 10 Oct
First harvest
About 84 days after sowing. Sown on 14 February, ready around 9 May.
Warmth
Hardy: grows once days average 5°C.
Spring onion across the UK, town by town
ShallotOutdoors 24 Jan to 29 Apr; Under cover 27 Dec to 27 May
Shallot growing on a plot
Plant outdoors
24 Jan to 29 Apr
Under cover
27 Dec to 27 May
First harvest
About 164 days after planting. Planted on 24 January, ready around 7 July.
Warmth
Hardy: grows once days average 5°C.
Shallot across the UK, town by town

Brassicas

CabbageOutdoors 7 Mar to 31 Jul; Under cover 7 Feb to 28 Aug
Cabbage growing on a plot
Sow outdoors
7 Mar to 31 Jul
Under cover
7 Feb to 28 Aug
First harvest
About 120 days after sowing. Sown on 7 March, ready around 5 July.
Warmth
Hardy: grows once days average 6°C.
Cabbage across the UK, town by town
BroccoliOutdoors 27 Mar to 11 Jul; Under cover 27 Feb to 8 Aug
Broccoli growing on a plot
Sow outdoors
27 Mar to 11 Jul
Under cover
27 Feb to 8 Aug
First harvest
About 96 days after sowing. Sown on 27 March, ready around 1 July.
Warmth
Hardy: grows once days average 7°C.
Broccoli across the UK, town by town
CauliflowerOutdoors 7 Mar to 20 Jun; Under cover 7 Feb to 18 Jul
Cauliflower growing on a plot
Sow outdoors
7 Mar to 20 Jun
Under cover
7 Feb to 18 Jul
First harvest
About 130 days after sowing. Sown on 7 March, ready around 15 July.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Cauliflower across the UK, town by town
Brussels sproutOutdoors 7 Mar to 15 May; Under cover 7 Feb to 12 Jun
Brussels sprout growing on a plot
Sow outdoors
7 Mar to 15 May
Under cover
7 Feb to 12 Jun
First harvest
About 187 days after sowing. Sown on 7 March, ready around 10 September.
Warmth
Hardy: grows once days average 6°C.
Brussels sprout across the UK, town by town
KaleOutdoors 27 Mar to 31 Jul; Under cover 27 Feb to 28 Aug
Kale growing on a plot
Sow outdoors
27 Mar to 31 Jul
Under cover
27 Feb to 28 Aug
First harvest
About 85 days after sowing. Sown on 27 March, ready around 20 June.
Warmth
Hardy: grows once days average 7°C.
Kale across the UK, town by town
Pak choiOutdoors 12 Apr to 9 Sep; Under cover 15 Mar to 7 Oct
Pak choi growing on a plot
Sow outdoors
12 Apr to 9 Sep
Under cover
15 Mar to 7 Oct
First harvest
About 47 days after sowing. Sown on 12 April, ready around 29 May.
Warmth
Hardy: grows once days average 8°C; bolts in hot weather.
Pak choi across the UK, town by town

Herbs

BasilOutdoors 12 Apr to 31 Jul; Under cover 15 Mar to 28 Aug
Basil growing on a plot
Sow outdoors
12 Apr to 31 Jul
Under cover
15 Mar to 28 Aug
First harvest
About 65 days after sowing. Sown on 12 April, ready around 16 June.
Warmth
Tender: needs days averaging 8°C or more, and no frost.
Basil across the UK, town by town
ParsleyOutdoors 7 Mar to 26 Aug; Under cover 7 Feb to 23 Sep
Parsley growing on a plot
Sow outdoors
7 Mar to 26 Aug
Under cover
7 Feb to 23 Sep
First harvest
About 83 days after sowing. Sown on 7 March, ready around 29 May.
Warmth
Hardy: grows once days average 6°C.
Parsley across the UK, town by town
CorianderOutdoors 27 Mar to 9 Sep; Under cover 27 Feb to 7 Oct
Coriander growing on a plot
Sow outdoors
27 Mar to 9 Sep
Under cover
27 Feb to 7 Oct
First harvest
About 54 days after sowing. Sown on 27 March, ready around 20 May.
Warmth
Hardy: grows once days average 7°C; bolts in hot weather.
Coriander across the UK, town by town
ChivesOutdoors 7 Mar to 2 Jun; Under cover 7 Feb to 30 Jun
Chives growing on a plot
Sow outdoors
7 Mar to 2 Jun
Under cover
7 Feb to 30 Jun
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 6°C.
Chives across the UK, town by town
MintOutdoors 27 Mar to 18 Oct; Under cover 27 Feb to 15 Nov
Mint growing on a plot
Sow outdoors
27 Mar to 18 Oct
Under cover
27 Feb to 15 Nov
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 7°C.
Mint across the UK, town by town

Fruit

StrawberryOutdoors 7 Mar to 15 May; Under cover 7 Feb to 12 Jun
Strawberry growing on a plot
Plant outdoors
7 Mar to 15 May
Under cover
7 Feb to 12 Jun
First harvest
Crops every year once it’s established.
Warmth
Hardy: grows once days average 6°C.
Strawberry across the UK, town by town
RaspberryOutdoors 7 Nov to 23 Jan; Under cover 10 Oct to 20 Feb
Raspberry growing on a plot
Plant outdoors
7 Nov to 23 Jan
Under cover
10 Oct to 20 Feb
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Raspberry across the UK, town by town
RhubarbOutdoors 18 Oct to 13 Jan; Under cover 20 Sep to 10 Feb
Rhubarb growing on a plot
Plant outdoors
18 Oct to 13 Jan
Under cover
20 Sep to 10 Feb
First harvest
Crops every year once it’s established.
Warmth
Hardy: goes in as the weather cools, and grows on through winter.
Rhubarb across the UK, town by town

Questions about growing in Llanelli

When is the last frost in Llanelli?

On average around 24 March, and the first autumn frost comes around 30 November. In a cold spring a frost can come a week or two late, so tender plants are safest out a week after the date.

Can I grow tomatoes outdoors in Llanelli?

Yes. Plant them outdoors 22 May to 20 Jun, or under cover 24 Apr to 18 Jul.

What can I sow in Llanelli in November?

Outdoors: broad bean, garlic, raspberry, rhubarb. Under cover: mint.

How accurate are these dates?

They’re worked out from 30 years of climate data for this spot, adjusted for its height, so they’re a good guide for a typical year. Check the forecast before planting out anything tender.

Get these dates as reminders

Bia turns this calendar into a nudge when it’s time to sow, plant out and harvest, for your plot in Llanelli. Free for 2 months.

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How these dates are worked out: climate records for this spot (ERA5-Land, 1995 to 2024), the local frost dates and the height above sea level turn a seed-packet date into a local one. Contains modified Copernicus Climate Change Service information; towns from GeoNames (CC BY 4.0). How sowing dates work