England, UK

Planting calendar for Heswall

Last frost around 25 March, first frost around 23 November: about 243 frost-free days.

Last frost: 25 March
First frost: 23 November
Frost-free days: 243

Sow now: November

See the whole year

Outdoors

Broad bean
Garlic
Raspberry
Rhubarb

Under cover

Nothing this month.

The year at a glance

When each crop can be sown in Heswall. 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 Heswall, month by month. Each month says whether you can sow outdoors, under cover, or both.
Crop	JJan	FFeb	MMar	AApr	MMay	JJun	JJul	AAug	SSep	OOct	NNov	DDec
Fruiting
Tomato	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Chilli	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Sweet pepper	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Aubergine	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Courgette	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Cucumber	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Squash	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Sweetcorn	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Roots
Carrot	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Beetroot	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Parsnip	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Radish	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Potato	January: Not this month	February: Plant under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant under cover	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Turnip	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Leaves
Lettuce	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Spinach	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Swiss chard	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Rocket	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Celery	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow under cover	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Beans and peas
Runner bean	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
French bean	January: Not this month	February: Not this month	March: Not this month	April: Sow under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Broad bean	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Sow under cover	October: Sow outdoors and under cover	November: Sow outdoors and under cover	December: Sow under cover
Pea	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Onion family
Onion	January: Not this month	February: Plant under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant under cover	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Garlic	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Plant under cover	October: Plant outdoors and under cover	November: Plant outdoors and under cover	December: Plant under cover
Leek	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Spring onion	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Shallot	January: Plant under cover	February: Plant outdoors and under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant under cover	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Brassicas
Cabbage	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Broccoli	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Cauliflower	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow under cover	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Brussels sprout	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow under cover	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Kale	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Pak choi	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Herbs
Basil	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow under cover	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Parsley	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Coriander	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow under cover	October: Not this month	November: Not this month	December: Not this month
Chives	January: Not this month	February: Sow under cover	March: Sow outdoors and under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Mint	January: Not this month	February: Not this month	March: Sow under cover	April: Sow outdoors and under cover	May: Sow outdoors and under cover	June: Sow outdoors and under cover	July: Sow outdoors and under cover	August: Sow outdoors and under cover	September: Sow outdoors and under cover	October: Sow under cover	November: Not this month	December: Not this month
Fruit
Strawberry	January: Not this month	February: Plant under cover	March: Plant outdoors and under cover	April: Plant outdoors and under cover	May: Plant outdoors and under cover	June: Plant under cover	July: Not this month	August: Not this month	September: Not this month	October: Not this month	November: Not this month	December: Not this month
Raspberry	January: Plant outdoors and under cover	February: Plant under cover	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Not this month	October: Plant under cover	November: Plant outdoors and under cover	December: Plant outdoors and under cover
Rhubarb	January: Plant under cover	February: Not this month	March: Not this month	April: Not this month	May: Not this month	June: Not this month	July: Not this month	August: Not this month	September: Plant under cover	October: Plant outdoors and under cover	November: Plant outdoors and under cover	December: Plant outdoors and under cover

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors 27 May to 25 Jun; Under cover 29 Apr to 23 Jul

Sow outdoors: 27 May to 25 Jun
Under cover: 29 Apr to 23 Jul
First harvest: About 123 days after sowing. Sown on 27 May, ready around 27 September.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Tomato across the UK, town by town

ChilliOutdoors 25 May to 25 Jun; Under cover 27 Apr to 23 Jul

Sow outdoors: 25 May to 25 Jun
Under cover: 27 Apr to 23 Jul
First harvest: About 224 days after sowing. Sown on 25 May, ready around 4 January.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Chilli across the UK, town by town

Sweet pepperOutdoors 31 May to 1 Jul; Under cover 3 May to 29 Jul

Sow outdoors: 31 May to 1 Jul
Under cover: 3 May to 29 Jul
First harvest: About 208 days after sowing. Sown on 31 May, ready around 25 December.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Sweet pepper across the UK, town by town

AubergineOutdoors 31 May to 25 Jun; Under cover 3 May to 23 Jul

Sow outdoors: 31 May to 25 Jun
Under cover: 3 May to 23 Jul
First harvest: About 240 days after sowing. Sown on 31 May, ready around 26 January.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Aubergine across the UK, town by town

CourgetteOutdoors 25 May to 18 Jul; Under cover 27 Apr to 15 Aug

Sow outdoors: 25 May to 18 Jul
Under cover: 27 Apr to 15 Aug
First harvest: About 64 days after sowing. Sown on 25 May, ready around 28 July.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Courgette across the UK, town by town

CucumberOutdoors 25 May to 18 Jul; Under cover 27 Apr to 15 Aug

Sow outdoors: 25 May to 18 Jul
Under cover: 27 Apr to 15 Aug
First harvest: About 75 days after sowing. Sown on 25 May, ready around 8 August.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Cucumber across the UK, town by town

SquashOutdoors 25 May to 1 Jul; Under cover 27 Apr to 29 Jul

Sow outdoors: 25 May to 1 Jul
Under cover: 27 Apr to 29 Jul
First harvest: About 122 days after sowing. Sown on 25 May, ready around 24 September.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Squash across the UK, town by town

SweetcornOutdoors 20 May to 1 Jul; Under cover 22 Apr to 29 Jul

Sow outdoors: 20 May to 1 Jul
Under cover: 22 Apr to 29 Jul
First harvest: About 108 days after sowing. Sown on 20 May, ready around 5 September.
Warmth: Tender: needs days averaging 11°C or more, and no frost.

Sweetcorn across the UK, town by town

Roots

CarrotOutdoors 3 Apr to 1 Aug; Under cover 6 Mar to 29 Aug

Sow outdoors: 3 Apr to 1 Aug
Under cover: 6 Mar to 29 Aug
First harvest: About 104 days after sowing. Sown on 3 April, ready around 16 July.
Warmth: Hardy: grows once days average 7°C.

Carrot across the UK, town by town

BeetrootOutdoors 3 Apr to 1 Aug; Under cover 6 Mar to 29 Aug

Sow outdoors: 3 Apr to 1 Aug
Under cover: 6 Mar to 29 Aug
First harvest: About 73 days after sowing. Sown on 3 April, ready around 15 June.
Warmth: Hardy: grows once days average 7°C.

Beetroot across the UK, town by town

ParsnipOutdoors 15 Mar to 7 Jun; Under cover 15 Feb to 5 Jul

Sow outdoors: 15 Mar to 7 Jun
Under cover: 15 Feb to 5 Jul
First harvest: About 138 days after sowing. Sown on 15 March, ready around 31 July.
Warmth: Hardy: grows once days average 6°C.

Parsnip across the UK, town by town

RadishOutdoors 15 Mar to 16 Sep; Under cover 15 Feb to 14 Oct

Sow outdoors: 15 Mar to 16 Sep
Under cover: 15 Feb to 14 Oct
First harvest: About 30 days after sowing. Sown on 15 March, ready around 14 April.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Radish across the UK, town by town

PotatoOutdoors 15 Mar to 15 May; Under cover 15 Feb to 12 Jun

Plant outdoors: 15 Mar to 15 May
Under cover: 15 Feb to 12 Jun
First harvest: About 106 days after planting. Planted on 15 March, ready around 29 June.
Warmth: Hardy: grows once days average 6°C.

Potato across the UK, town by town

TurnipOutdoors 15 Mar to 15 Aug; Under cover 15 Feb to 12 Sep

Sow outdoors: 15 Mar to 15 Aug
Under cover: 15 Feb to 12 Sep
First harvest: About 64 days after sowing. Sown on 15 March, ready around 18 May.
Warmth: Hardy: grows once days average 6°C.

Turnip across the UK, town by town

Leaves

LettuceOutdoors 21 Mar to 11 Aug; Under cover 21 Feb to 8 Sep

Sow outdoors: 21 Mar to 11 Aug
Under cover: 21 Feb to 8 Sep
First harvest: About 74 days after sowing. Sown on 21 March, ready around 3 June.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Lettuce across the UK, town by town

SpinachOutdoors 15 Mar to 18 Sep; Under cover 15 Feb to 16 Oct

Sow outdoors: 15 Mar to 18 Sep
Under cover: 15 Feb to 16 Oct
First harvest: About 48 days after sowing. Sown on 15 March, ready around 2 May.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Spinach across the UK, town by town

Swiss chardOutdoors 3 Apr to 15 Aug; Under cover 6 Mar to 12 Sep

Sow outdoors: 3 Apr to 15 Aug
Under cover: 6 Mar to 12 Sep
First harvest: About 63 days after sowing. Sown on 3 April, ready around 5 June.
Warmth: Hardy: grows once days average 7°C.

Swiss chard across the UK, town by town

RocketOutdoors 15 Mar to 17 Sep; Under cover 15 Feb to 15 Oct

Sow outdoors: 15 Mar to 17 Sep
Under cover: 15 Feb to 15 Oct
First harvest: About 43 days after sowing. Sown on 15 March, ready around 27 April.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Rocket across the UK, town by town

CeleryOutdoors 27 Feb to 4 May; Under cover 30 Jan to 1 Jun

Sow outdoors: 27 Feb to 4 May
Under cover: 30 Jan to 1 Jun
First harvest: About 140 days after sowing. Sown on 27 February, ready around 17 July.
Warmth: Hardy: grows once days average 5°C.

Celery across the UK, town by town

Beans and peas

Runner beanOutdoors 20 May to 14 Jul; Under cover 22 Apr to 11 Aug

Sow outdoors: 20 May to 14 Jul
Under cover: 22 Apr to 11 Aug
First harvest: About 96 days after sowing. Sown on 20 May, ready around 24 August.
Warmth: Tender: needs days averaging 11°C or more, and no frost.

Runner bean across the UK, town by town

French beanOutdoors 20 May to 29 Jul; Under cover 22 Apr to 26 Aug

Sow outdoors: 20 May to 29 Jul
Under cover: 22 Apr to 26 Aug
First harvest: About 74 days after sowing. Sown on 20 May, ready around 2 August.
Warmth: Tender: needs days averaging 11°C or more, and no frost.

French bean across the UK, town by town

Broad beanOutdoors 29 Sep to 25 Nov; Under cover 1 Sep to 23 Dec

Sow outdoors: 29 Sep to 25 Nov
Under cover: 1 Sep to 23 Dec
First harvest: About 220 days after sowing. Sown on 29 September, ready around 7 May.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Broad bean across the UK, town by town

PeaOutdoors 15 Mar to 25 Jun; Under cover 15 Feb to 23 Jul

Sow outdoors: 15 Mar to 25 Jun
Under cover: 15 Feb to 23 Jul
First harvest: About 85 days after sowing. Sown on 15 March, ready around 8 June.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Pea across the UK, town by town

Onion family

OnionOutdoors 10 Mar to 4 May; Under cover 10 Feb to 1 Jun

Plant outdoors: 10 Mar to 4 May
Under cover: 10 Feb to 1 Jun
First harvest: About 148 days after planting. Planted on 10 March, ready around 5 August.
Warmth: Hardy: grows once days average 6°C.

Onion across the UK, town by town

GarlicOutdoors 29 Sep to 6 Dec; Under cover 1 Sep to 3 Jan

Plant outdoors: 29 Sep to 6 Dec
Under cover: 1 Sep to 3 Jan
First harvest: About 250 days after planting. Planted on 29 September, ready around 6 June.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Garlic across the UK, town by town

LeekOutdoors 15 Mar to 18 Jul; Under cover 15 Feb to 15 Aug

Sow outdoors: 15 Mar to 18 Jul
Under cover: 15 Feb to 15 Aug
First harvest: About 159 days after sowing. Sown on 15 March, ready around 21 August.
Warmth: Hardy: grows once days average 6°C.

Leek across the UK, town by town

Spring onionOutdoors 27 Feb to 3 Sep; Under cover 30 Jan to 1 Oct

Sow outdoors: 27 Feb to 3 Sep
Under cover: 30 Jan to 1 Oct
First harvest: About 77 days after sowing. Sown on 27 February, ready around 15 May.
Warmth: Hardy: grows once days average 5°C.

Spring onion across the UK, town by town

ShallotOutdoors 7 Feb to 4 May; Under cover 10 Jan to 1 Jun

Plant outdoors: 7 Feb to 4 May
Under cover: 10 Jan to 1 Jun
First harvest: About 147 days after planting. Planted on 7 February, ready around 4 July.
Warmth: Hardy: grows once days average 5°C.

Shallot across the UK, town by town

Brassicas

CabbageOutdoors 15 Mar to 1 Aug; Under cover 15 Feb to 29 Aug

Sow outdoors: 15 Mar to 1 Aug
Under cover: 15 Feb to 29 Aug
First harvest: About 117 days after sowing. Sown on 15 March, ready around 10 July.
Warmth: Hardy: grows once days average 6°C.

Cabbage across the UK, town by town

BroccoliOutdoors 3 Apr to 18 Jul; Under cover 6 Mar to 15 Aug

Sow outdoors: 3 Apr to 18 Jul
Under cover: 6 Mar to 15 Aug
First harvest: About 94 days after sowing. Sown on 3 April, ready around 6 July.
Warmth: Hardy: grows once days average 7°C.

Broccoli across the UK, town by town

CauliflowerOutdoors 15 Mar to 25 Jun; Under cover 15 Feb to 23 Jul

Sow outdoors: 15 Mar to 25 Jun
Under cover: 15 Feb to 23 Jul
First harvest: About 127 days after sowing. Sown on 15 March, ready around 20 July.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Cauliflower across the UK, town by town

Brussels sproutOutdoors 15 Mar to 20 May; Under cover 15 Feb to 17 Jun

Sow outdoors: 15 Mar to 20 May
Under cover: 15 Feb to 17 Jun
First harvest: About 191 days after sowing. Sown on 15 March, ready around 22 September.
Warmth: Hardy: grows once days average 6°C.

Brussels sprout across the UK, town by town

KaleOutdoors 3 Apr to 1 Aug; Under cover 6 Mar to 29 Aug

Sow outdoors: 3 Apr to 1 Aug
Under cover: 6 Mar to 29 Aug
First harvest: About 84 days after sowing. Sown on 3 April, ready around 26 June.
Warmth: Hardy: grows once days average 7°C.

Kale across the UK, town by town

Pak choiOutdoors 18 Apr to 1 Sep; Under cover 21 Mar to 29 Sep

Sow outdoors: 18 Apr to 1 Sep
Under cover: 21 Mar to 29 Sep
First harvest: About 47 days after sowing. Sown on 18 April, ready around 4 June.
Warmth: Hardy: grows once days average 8°C; bolts in hot weather.

Pak choi across the UK, town by town

Herbs

BasilOutdoors 18 Apr to 1 Aug; Under cover 21 Mar to 29 Aug

Sow outdoors: 18 Apr to 1 Aug
Under cover: 21 Mar to 29 Aug
First harvest: About 64 days after sowing. Sown on 18 April, ready around 21 June.
Warmth: Tender: needs days averaging 8°C or more, and no frost.

Basil across the UK, town by town

ParsleyOutdoors 15 Mar to 17 Aug; Under cover 15 Feb to 14 Sep

Sow outdoors: 15 Mar to 17 Aug
Under cover: 15 Feb to 14 Sep
First harvest: About 80 days after sowing. Sown on 15 March, ready around 3 June.
Warmth: Hardy: grows once days average 6°C.

Parsley across the UK, town by town

CorianderOutdoors 3 Apr to 1 Sep; Under cover 6 Mar to 29 Sep

Sow outdoors: 3 Apr to 1 Sep
Under cover: 6 Mar to 29 Sep
First harvest: About 52 days after sowing. Sown on 3 April, ready around 25 May.
Warmth: Hardy: grows once days average 7°C; bolts in hot weather.

Coriander across the UK, town by town

ChivesOutdoors 15 Mar to 7 Jun; Under cover 15 Feb to 5 Jul

Sow outdoors: 15 Mar to 7 Jun
Under cover: 15 Feb to 5 Jul
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 3 Apr to 6 Oct; Under cover 6 Mar to 3 Nov

Sow outdoors: 3 Apr to 6 Oct
Under cover: 6 Mar to 3 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 15 Mar to 20 May; Under cover 15 Feb to 17 Jun

Plant outdoors: 15 Mar to 20 May
Under cover: 15 Feb to 17 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 3 Nov to 22 Jan; Under cover 6 Oct to 19 Feb

Plant outdoors: 3 Nov to 22 Jan
Under cover: 6 Oct to 19 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 15 Oct to 26 Dec; Under cover 17 Sep to 23 Jan

Plant outdoors: 15 Oct to 26 Dec
Under cover: 17 Sep to 23 Jan
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

Nearby

Questions about growing in Heswall

When is the last frost in Heswall?

On average around 25 March, and the first autumn frost comes around 23 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 Heswall?

Yes. Plant them outdoors 27 May to 25 Jun, or under cover 29 Apr to 23 Jul.

What can I sow in Heswall in November?

Outdoors: broad bean, garlic, raspberry, rhubarb.

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 Heswall. 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