Northern Ireland, UK

Planting calendar for Newtownards

Frost is rare here, so sowing goes by warmth: tender crops like tomatoes go outdoors 8 Jun to 19 Jun.

Frost: Frost is rare here

Sow now: November

See the whole year

Outdoors

Broad bean
Garlic
Raspberry
Rhubarb

Under cover

Mint

The year at a glance

When each crop can be sown in Newtownards. 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 Newtownards, 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 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
AubergineUnder cover only	January: Not this month	February: Not this month	March: Not this month	April: Not this month	May: Sow 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
Courgette	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 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 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 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: 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
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: Sow under cover	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: Sow under cover	February: Sow outdoors and 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
Beans and peas
Runner bean	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 outdoors and under cover	August: Not this month	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: Not this month	May: Sow 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: Sow under cover	September: Sow outdoors and 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 outdoors and under cover	August: Sow under cover	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 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
Garlic	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: Plant under cover	September: Plant outdoors and under cover	October: Plant outdoors and under cover	November: Plant outdoors and under cover	December: Plant outdoors and 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: Sow under cover	February: Sow outdoors and 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
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 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
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 outdoors and under cover	August: Sow under cover	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: Not this month	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: Not this month	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: Sow under cover	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 outdoors and under cover	November: Sow under cover	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 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: 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 8 Jun to 19 Jun; Under cover 11 May to 22 May, and 8 Jun to 19 Jun, and 6 Jul to 17 Jul

Sow outdoors: 8 Jun to 19 Jun
Under cover: 11 May to 22 May, and 8 Jun to 19 Jun, and 6 Jul to 17 Jul
First harvest: About 176 days after sowing. Sown on 8 June, ready around 1 December.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Tomato across the UK, town by town

ChilliOutdoors 7 Jun to 14 Jun; Under cover 10 May to 17 May, and 7 Jun to 14 Jun, and 5 Jul to 12 Jul

Sow outdoors: 7 Jun to 14 Jun
Under cover: 10 May to 17 May, and 7 Jun to 14 Jun, and 5 Jul to 12 Jul
First harvest: About 224 days after sowing. Sown on 7 June, ready around 17 January.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Chilli across the UK, town by town

Sweet pepperOutdoors 14 Jun to 20 Jun; Under cover 17 May to 23 May, and 14 Jun to 20 Jun, and 12 Jul to 18 Jul

Sow outdoors: 14 Jun to 20 Jun
Under cover: 17 May to 23 May, and 14 Jun to 20 Jun, and 12 Jul to 18 Jul
First harvest: About 208 days after sowing. Sown on 14 June, ready around 8 January.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Sweet pepper across the UK, town by town

AubergineUnder cover 20 May to 15 Jun

Sow outdoors: Not here: season too short
Under cover: 20 May to 15 Jun
First harvest: About 90 days after sowing. Sown on 20 May, ready around 18 August.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Aubergine across the UK, town by town

CourgetteOutdoors 7 Jun to 29 Jul; Under cover 10 May to 26 Aug

Sow outdoors: 7 Jun to 29 Jul
Under cover: 10 May to 26 Aug
First harvest: About 69 days after sowing. Sown on 7 June, ready around 15 August.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Courgette across the UK, town by town

CucumberOutdoors 7 Jun to 21 Jul; Under cover 10 May to 18 Aug

Sow outdoors: 7 Jun to 21 Jul
Under cover: 10 May to 18 Aug
First harvest: About 82 days after sowing. Sown on 7 June, ready around 28 August.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Cucumber across the UK, town by town

SquashOutdoors 7 Jun to 22 Jun; Under cover 10 May to 25 May, and 7 Jun to 22 Jun, and 5 Jul to 20 Jul

Sow outdoors: 7 Jun to 22 Jun
Under cover: 10 May to 25 May, and 7 Jun to 22 Jun, and 5 Jul to 20 Jul
First harvest: About 176 days after sowing. Sown on 7 June, ready around 30 November.
Warmth: Tender: needs days averaging 12°C or more, and no frost.

Squash across the UK, town by town

SweetcornOutdoors 1 Jun to 27 Jun; Under cover 4 May to 25 Jul

Sow outdoors: 1 Jun to 27 Jun
Under cover: 4 May to 25 Jul
First harvest: About 132 days after sowing. Sown on 1 June, ready around 11 October.
Warmth: Tender: needs days averaging 11°C or more, and no frost.

Sweetcorn across the UK, town by town

Roots

CarrotOutdoors 7 Apr to 5 Aug; Under cover 10 Mar to 2 Sep

Sow outdoors: 7 Apr to 5 Aug
Under cover: 10 Mar to 2 Sep
First harvest: About 112 days after sowing. Sown on 7 April, ready around 28 July.
Warmth: Hardy: grows once days average 7°C.

Carrot across the UK, town by town

BeetrootOutdoors 7 Apr to 5 Aug; Under cover 10 Mar to 2 Sep

Sow outdoors: 7 Apr to 5 Aug
Under cover: 10 Mar to 2 Sep
First harvest: About 78 days after sowing. Sown on 7 April, ready around 24 June.
Warmth: Hardy: grows once days average 7°C.

Beetroot across the UK, town by town

ParsnipOutdoors 14 Mar to 23 Jun; Under cover 14 Feb to 21 Jul

Sow outdoors: 14 Mar to 23 Jun
Under cover: 14 Feb to 21 Jul
First harvest: About 151 days after sowing. Sown on 14 March, ready around 12 August.
Warmth: Hardy: grows once days average 6°C.

Parsnip across the UK, town by town

RadishOutdoors 14 Mar to 18 Sep; Under cover 14 Feb to 16 Oct

Sow outdoors: 14 Mar to 18 Sep
Under cover: 14 Feb to 16 Oct
First harvest: About 33 days after sowing. Sown on 14 March, ready around 16 April.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Radish across the UK, town by town

PotatoOutdoors 14 Mar to 25 May; Under cover 14 Feb to 22 Jun

Plant outdoors: 14 Mar to 25 May
Under cover: 14 Feb to 22 Jun
First harvest: About 117 days after planting. Planted on 14 March, ready around 9 July.
Warmth: Hardy: grows once days average 6°C.

Potato across the UK, town by town

TurnipOutdoors 14 Mar to 16 Aug; Under cover 14 Feb to 13 Sep

Sow outdoors: 14 Mar to 16 Aug
Under cover: 14 Feb to 13 Sep
First harvest: About 71 days after sowing. Sown on 14 March, ready around 24 May.
Warmth: Hardy: grows once days average 6°C.

Turnip across the UK, town by town

Leaves

LettuceOutdoors 21 Mar to 12 Aug; Under cover 21 Feb to 9 Sep

Sow outdoors: 21 Mar to 12 Aug
Under cover: 21 Feb to 9 Sep
First harvest: About 81 days after sowing. Sown on 21 March, ready around 10 June.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Lettuce across the UK, town by town

SpinachOutdoors 14 Mar to 23 Sep; Under cover 14 Feb to 21 Oct

Sow outdoors: 14 Mar to 23 Sep
Under cover: 14 Feb to 21 Oct
First harvest: About 53 days after sowing. Sown on 14 March, ready around 6 May.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Spinach across the UK, town by town

Swiss chardOutdoors 7 Apr to 16 Aug; Under cover 10 Mar to 13 Sep

Sow outdoors: 7 Apr to 16 Aug
Under cover: 10 Mar to 13 Sep
First harvest: About 67 days after sowing. Sown on 7 April, ready around 13 June.
Warmth: Hardy: grows once days average 7°C.

Swiss chard across the UK, town by town

RocketOutdoors 14 Mar to 22 Sep; Under cover 14 Feb to 20 Oct

Sow outdoors: 14 Mar to 22 Sep
Under cover: 14 Feb to 20 Oct
First harvest: About 47 days after sowing. Sown on 14 March, ready around 30 April.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Rocket across the UK, town by town

CeleryOutdoors 14 Feb to 13 May; Under cover 17 Jan to 10 Jun

Sow outdoors: 14 Feb to 13 May
Under cover: 17 Jan to 10 Jun
First harvest: About 164 days after sowing. Sown on 14 February, ready around 28 July.
Warmth: Hardy: grows once days average 5°C.

Celery across the UK, town by town

Beans and peas

Runner beanOutdoors 1 Jun to 7 Jul; Under cover 4 May to 4 Aug

Sow outdoors: 1 Jun to 7 Jul
Under cover: 4 May to 4 Aug
First harvest: About 110 days after sowing. Sown on 1 June, ready around 19 September.
Warmth: Tender: needs days averaging 11°C or more, and no frost.

Runner bean across the UK, town by town

French beanOutdoors 1 Jun to 25 Jul; Under cover 4 May to 22 Aug

Sow outdoors: 1 Jun to 25 Jul
Under cover: 4 May to 22 Aug
First harvest: About 81 days after sowing. Sown on 1 June, ready around 21 August.
Warmth: Tender: needs days averaging 11°C or more, and no frost.

French bean across the UK, town by town

Broad beanOutdoors 22 Sep to 1 Dec; Under cover 25 Aug to 29 Dec

Sow outdoors: 22 Sep to 1 Dec
Under cover: 25 Aug to 29 Dec
First harvest: About 220 days after sowing. Sown on 22 September, ready around 30 April.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Broad bean across the UK, town by town

PeaOutdoors 14 Mar to 25 Jul; Under cover 14 Feb to 22 Aug

Sow outdoors: 14 Mar to 25 Jul
Under cover: 14 Feb to 22 Aug
First harvest: About 94 days after sowing. Sown on 14 March, ready around 16 June.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Pea across the UK, town by town

Onion family

OnionOutdoors 5 Mar to 13 May; Under cover 5 Feb to 10 Jun

Plant outdoors: 5 Mar to 13 May
Under cover: 5 Feb to 10 Jun
First harvest: About 166 days after planting. Planted on 5 March, ready around 18 August.
Warmth: Hardy: grows once days average 6°C.

Onion across the UK, town by town

GarlicOutdoors 22 Sep to 17 Dec; Under cover 25 Aug to 14 Jan

Plant outdoors: 22 Sep to 17 Dec
Under cover: 25 Aug to 14 Jan
First harvest: About 250 days after planting. Planted on 22 September, ready around 30 May.
Warmth: Hardy: goes in as the weather cools, and grows on through winter.

Garlic across the UK, town by town

LeekOutdoors 14 Mar to 5 Aug; Under cover 14 Feb to 2 Sep

Sow outdoors: 14 Mar to 5 Aug
Under cover: 14 Feb to 2 Sep
First harvest: About 173 days after sowing. Sown on 14 March, ready around 3 September.
Warmth: Hardy: grows once days average 6°C.

Leek across the UK, town by town

Spring onionOutdoors 14 Feb to 10 Sep; Under cover 17 Jan to 8 Oct

Sow outdoors: 14 Feb to 10 Sep
Under cover: 17 Jan to 8 Oct
First harvest: About 94 days after sowing. Sown on 14 February, ready around 19 May.
Warmth: Hardy: grows once days average 5°C.

Spring onion across the UK, town by town

ShallotOutdoors 28 Jan to 13 May; Under cover 31 Dec to 10 Jun

Plant outdoors: 28 Jan to 13 May
Under cover: 31 Dec to 10 Jun
First harvest: About 178 days after planting. Planted on 28 January, ready around 25 July.
Warmth: Hardy: grows once days average 5°C.

Shallot across the UK, town by town

Brassicas

CabbageOutdoors 14 Mar to 5 Aug; Under cover 14 Feb to 2 Sep

Sow outdoors: 14 Mar to 5 Aug
Under cover: 14 Feb to 2 Sep
First harvest: About 128 days after sowing. Sown on 14 March, ready around 20 July.
Warmth: Hardy: grows once days average 6°C.

Cabbage across the UK, town by town

BroccoliOutdoors 7 Apr to 5 Aug; Under cover 10 Mar to 2 Sep

Sow outdoors: 7 Apr to 5 Aug
Under cover: 10 Mar to 2 Sep
First harvest: About 100 days after sowing. Sown on 7 April, ready around 16 July.
Warmth: Hardy: grows once days average 7°C.

Broccoli across the UK, town by town

CauliflowerOutdoors 14 Mar to 25 Jul; Under cover 14 Feb to 22 Aug

Sow outdoors: 14 Mar to 25 Jul
Under cover: 14 Feb to 22 Aug
First harvest: About 139 days after sowing. Sown on 14 March, ready around 31 July.
Warmth: Hardy: grows once days average 6°C; bolts in hot weather.

Cauliflower across the UK, town by town

Brussels sproutOutdoors 14 Mar to 1 Jun; Under cover 14 Feb to 29 Jun

Sow outdoors: 14 Mar to 1 Jun
Under cover: 14 Feb to 29 Jun
First harvest: About 208 days after sowing. Sown on 14 March, ready around 8 October.
Warmth: Hardy: grows once days average 6°C.

Brussels sprout across the UK, town by town

KaleOutdoors 7 Apr to 5 Aug; Under cover 10 Mar to 2 Sep

Sow outdoors: 7 Apr to 5 Aug
Under cover: 10 Mar to 2 Sep
First harvest: About 89 days after sowing. Sown on 7 April, ready around 5 July.
Warmth: Hardy: grows once days average 7°C.

Kale across the UK, town by town

Pak choiOutdoors 24 Apr to 3 Sep; Under cover 27 Mar to 1 Oct

Sow outdoors: 24 Apr to 3 Sep
Under cover: 27 Mar to 1 Oct
First harvest: About 49 days after sowing. Sown on 24 April, ready around 12 June.
Warmth: Hardy: grows once days average 8°C; bolts in hot weather.

Pak choi across the UK, town by town

Herbs

BasilOutdoors 24 Apr to 31 Jul; Under cover 27 Mar to 28 Aug

Sow outdoors: 24 Apr to 31 Jul
Under cover: 27 Mar to 28 Aug
First harvest: About 71 days after sowing. Sown on 24 April, ready around 4 July.
Warmth: Tender: needs days averaging 8°C or more, and no frost.

Basil across the UK, town by town

ParsleyOutdoors 14 Mar to 21 Aug; Under cover 14 Feb to 18 Sep

Sow outdoors: 14 Mar to 21 Aug
Under cover: 14 Feb to 18 Sep
First harvest: About 88 days after sowing. Sown on 14 March, ready around 10 June.
Warmth: Hardy: grows once days average 6°C.

Parsley across the UK, town by town

CorianderOutdoors 7 Apr to 4 Sep; Under cover 10 Mar to 2 Oct

Sow outdoors: 7 Apr to 4 Sep
Under cover: 10 Mar to 2 Oct
First harvest: About 55 days after sowing. Sown on 7 April, ready around 1 June.
Warmth: Hardy: grows once days average 7°C; bolts in hot weather.

Coriander across the UK, town by town

ChivesOutdoors 14 Mar to 23 Jun; Under cover 14 Feb to 21 Jul

Sow outdoors: 14 Mar to 23 Jun
Under cover: 14 Feb to 21 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 7 Apr to 21 Oct; Under cover 10 Mar to 18 Nov

Sow outdoors: 7 Apr to 21 Oct
Under cover: 10 Mar to 18 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 14 Mar to 1 Jun; Under cover 14 Feb to 29 Jun

Plant outdoors: 14 Mar to 1 Jun
Under cover: 14 Feb to 29 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 4 Nov to 27 Jan; Under cover 7 Oct to 24 Feb

Plant outdoors: 4 Nov to 27 Jan
Under cover: 7 Oct to 24 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 12 Oct to 27 Jan; Under cover 14 Sep to 24 Feb

Plant outdoors: 12 Oct to 27 Jan
Under cover: 14 Sep to 24 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

Nearby

Questions about growing in Newtownards

Does it frost in Newtownards?

Not often: frost comes in fewer than half of years, so sowing here goes by warmth rather than frost dates. A light frost can still happen on a clear, still winter night.

Can I grow tomatoes outdoors in Newtownards?

Yes. Plant them outdoors 8 Jun to 19 Jun, or under cover 11 May to 22 May, and 8 Jun to 19 Jun, and 6 Jul to 17 Jul.

What can I sow in Newtownards 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 Newtownards. 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