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England, UK

Planting calendar for Daventry

Last frost around 18 April, first frost around 12 November: about 208 frost-free days.

Last frost
18 April
on average
First frost
12 November
on average
Frost-free days
208
in a typical year

Sow now: November

See the whole year

Outdoors

Under cover

Nothing this month.

The year at a glance

When each crop can be sown in Daventry. 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 Daventry, 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: Not this monthMay: 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 under coverAugust: Not this monthSeptember: 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 under coverAugust: Not this monthSeptember: 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: Not this monthFebruary: Sow 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 under coverAugust: Not this monthSeptember: 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: Not this monthFebruary: 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 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 under coverAugust: Not this monthSeptember: Not this monthOctober: Not this monthNovember: Not this monthDecember: Not this month
Spring onionJanuary: 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
ShallotJanuary: Plant 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 under coverAugust: Not this monthSeptember: 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 under coverOctober: Not this monthNovember: 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 under coverOctober: Not this monthNovember: 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 under coverNovember: Not this monthDecember: 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 under coverFebruary: Not this monthMarch: 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 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

Fruit rows show when to plant, not sow.

Crop by crop

Fruiting

TomatoOutdoors 23 May to 17 Jun; Under cover 25 Apr to 15 Jul
Tomato growing on a plot
Sow outdoors
23 May to 17 Jun
Under cover
25 Apr to 15 Jul
First harvest
About 108 days after sowing. Sown on 23 May, ready around 8 September.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Tomato across the UK, town by town
ChilliOutdoors 22 May to 17 Jun; Under cover 24 Apr to 15 Jul
Chilli growing on a plot
Sow outdoors
22 May to 17 Jun
Under cover
24 Apr to 15 Jul
First harvest
About 131 days after sowing. Sown on 22 May, ready around 30 September.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Chilli across the UK, town by town
Sweet pepperOutdoors 27 May to 22 Jun; Under cover 29 Apr to 20 Jul
Sweet pepper growing on a plot
Sow outdoors
27 May to 22 Jun
Under cover
29 Apr to 20 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.
Sweet pepper across the UK, town by town
AubergineOutdoors 27 May to 17 Jun; Under cover 29 Apr to 15 Jul
Aubergine growing on a plot
Sow outdoors
27 May to 17 Jun
Under cover
29 Apr to 15 Jul
First harvest
About 129 days after sowing. Sown on 27 May, ready around 3 October.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Aubergine across the UK, town by town
CourgetteOutdoors 22 May to 2 Jul; Under cover 24 Apr to 30 Jul
Courgette growing on a plot
Sow outdoors
22 May to 2 Jul
Under cover
24 Apr to 30 Jul
First harvest
About 60 days after sowing. Sown on 22 May, ready around 21 July.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Courgette across the UK, town by town
CucumberOutdoors 22 May to 2 Jul; Under cover 24 Apr to 30 Jul
Cucumber growing on a plot
Sow outdoors
22 May to 2 Jul
Under cover
24 Apr to 30 Jul
First harvest
About 70 days after sowing. Sown on 22 May, ready around 31 July.
Warmth
Tender: needs days averaging 12°C or more, and no frost.
Cucumber across the UK, town by town
SquashOutdoors 22 May to 22 Jun; Under cover 24 Apr to 20 Jul
Squash growing on a plot
Sow outdoors
22 May to 22 Jun
Under cover
24 Apr to 20 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.
Squash across the UK, town by town
SweetcornOutdoors 17 May to 22 Jun; Under cover 19 Apr to 20 Jul
Sweetcorn growing on a plot
Sow outdoors
17 May to 22 Jun
Under cover
19 Apr to 20 Jul
First harvest
About 99 days after sowing. Sown on 17 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 1 Apr to 10 Jul; Under cover 4 Mar to 7 Aug
Carrot growing on a plot
Sow outdoors
1 Apr to 10 Jul
Under cover
4 Mar to 7 Aug
First harvest
About 100 days after sowing. Sown on 1 April, ready around 10 July.
Warmth
Hardy: grows once days average 7°C.
Carrot across the UK, town by town
BeetrootOutdoors 1 Apr to 15 Jul; Under cover 4 Mar to 12 Aug
Beetroot growing on a plot
Sow outdoors
1 Apr to 15 Jul
Under cover
4 Mar to 12 Aug
First harvest
About 71 days after sowing. Sown on 1 April, ready around 11 June.
Warmth
Hardy: grows once days average 7°C.
Beetroot across the UK, town by town
ParsnipOutdoors 15 Mar to 31 May; Under cover 15 Feb to 28 Jun
Parsnip growing on a plot
Sow outdoors
15 Mar to 31 May
Under cover
15 Feb to 28 Jun
First harvest
About 130 days after sowing. Sown on 15 March, ready around 23 July.
Warmth
Hardy: grows once days average 6°C.
Parsnip across the UK, town by town
RadishOutdoors 15 Mar to 15 Sep; Under cover 15 Feb to 13 Oct
Radish growing on a plot
Sow outdoors
15 Mar to 15 Sep
Under cover
15 Feb to 13 Oct
First harvest
About 29 days after sowing. Sown on 15 March, ready around 13 April.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Radish across the UK, town by town
PotatoOutdoors 15 Mar to 10 May; Under cover 15 Feb to 7 Jun
Potato growing on a plot
Plant outdoors
15 Mar to 10 May
Under cover
15 Feb to 7 Jun
First harvest
About 101 days after planting. Planted on 15 March, ready around 24 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
Turnip growing on a plot
Sow outdoors
15 Mar to 15 Aug
Under cover
15 Feb to 12 Sep
First harvest
About 61 days after sowing. Sown on 15 March, ready around 15 May.
Warmth
Hardy: grows once days average 6°C.
Turnip across the UK, town by town

Leaves

LettuceOutdoors 20 Mar to 10 Aug; Under cover 20 Feb to 7 Sep
Lettuce growing on a plot
Sow outdoors
20 Mar to 10 Aug
Under cover
20 Feb to 7 Sep
First harvest
About 71 days after sowing. Sown on 20 March, ready around 30 May.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Lettuce across the UK, town by town
SpinachOutdoors 15 Mar to 15 Sep; Under cover 15 Feb to 13 Oct
Spinach growing on a plot
Sow outdoors
15 Mar to 15 Sep
Under cover
15 Feb to 13 Oct
First harvest
About 46 days after sowing. Sown on 15 March, ready around 30 April.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Spinach across the UK, town by town
Swiss chardOutdoors 1 Apr to 15 Aug; Under cover 4 Mar to 12 Sep
Swiss chard growing on a plot
Sow outdoors
1 Apr to 15 Aug
Under cover
4 Mar to 12 Sep
First harvest
About 61 days after sowing. Sown on 1 April, ready around 1 June.
Warmth
Hardy: grows once days average 7°C.
Swiss chard across the UK, town by town
RocketOutdoors 15 Mar to 15 Sep; Under cover 15 Feb to 13 Oct
Rocket growing on a plot
Sow outdoors
15 Mar to 15 Sep
Under cover
15 Feb to 13 Oct
First harvest
About 41 days after sowing. Sown on 15 March, ready around 25 April.
Warmth
Hardy: grows once days average 6°C; bolts in hot weather.
Rocket across the UK, town by town
CeleryOutdoors 2 Mar to 1 May; Under cover 2 Feb to 29 May
Celery growing on a plot
Sow outdoors
2 Mar to 1 May
Under cover
2 Feb to 29 May
First harvest
About 129 days after sowing. Sown on 2 March, ready around 9 July.
Warmth
Hardy: grows once days average 5°C.
Celery across the UK, town by town

Beans and peas

Runner beanOutdoors 17 May to 2 Jul; Under cover 19 Apr to 30 Jul
Runner bean growing on a plot
Sow outdoors
17 May to 2 Jul
Under cover
19 Apr to 30 Jul
First harvest
About 90 days after sowing. Sown on 17 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 17 May to 17 Jul; Under cover 19 Apr to 14 Aug
French bean growing on a plot
Sow outdoors
17 May to 17 Jul
Under cover
19 Apr to 14 Aug
First harvest
About 70 days after sowing. Sown on 17 May, ready around 26 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 19 Nov; Under cover 4 Sep to 17 Dec
Broad bean growing on a plot
Sow outdoors
2 Oct to 19 Nov
Under cover
4 Sep to 17 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 15 Mar to 15 Jun; Under cover 15 Feb to 13 Jul
Pea growing on a plot
Sow outdoors
15 Mar to 15 Jun
Under cover
15 Feb to 13 Jul
First harvest
About 81 days after sowing. Sown on 15 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 11 Mar to 1 May; Under cover 11 Feb to 29 May
Onion growing on a plot
Plant outdoors
11 Mar to 1 May
Under cover
11 Feb to 29 May
First harvest
About 140 days after planting. Planted on 11 March, ready around 29 July.
Warmth
Hardy: grows once days average 6°C.
Onion across the UK, town by town
GarlicOutdoors 2 Oct to 29 Nov; Under cover 4 Sep to 27 Dec
Garlic growing on a plot
Plant outdoors
2 Oct to 29 Nov
Under cover
4 Sep to 27 Dec
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 15 Mar to 30 Jun; Under cover 15 Feb to 28 Jul
Leek growing on a plot
Sow outdoors
15 Mar to 30 Jun
Under cover
15 Feb to 28 Jul
First harvest
About 150 days after sowing. Sown on 15 March, ready around 12 August.
Warmth
Hardy: grows once days average 6°C.
Leek across the UK, town by town
Spring onionOutdoors 2 Mar to 31 Aug; Under cover 2 Feb to 28 Sep
Spring onion growing on a plot
Sow outdoors
2 Mar to 31 Aug
Under cover
2 Feb to 28 Sep
First harvest
About 70 days after sowing. Sown on 2 March, ready around 11 May.
Warmth
Hardy: grows once days average 5°C.
Spring onion across the UK, town by town
ShallotOutdoors 16 Feb to 1 May; Under cover 19 Jan to 29 May
Shallot growing on a plot
Plant outdoors
16 Feb to 1 May
Under cover
19 Jan to 29 May
First harvest
About 129 days after planting. Planted on 16 February, ready around 25 June.
Warmth
Hardy: grows once days average 5°C.
Shallot across the UK, town by town

Brassicas

CabbageOutdoors 15 Mar to 15 Jul; Under cover 15 Feb to 12 Aug
Cabbage growing on a plot
Sow outdoors
15 Mar to 15 Jul
Under cover
15 Feb to 12 Aug
First harvest
About 110 days after sowing. Sown on 15 March, ready around 3 July.
Warmth
Hardy: grows once days average 6°C.
Cabbage across the UK, town by town
BroccoliOutdoors 1 Apr to 30 Jun; Under cover 4 Mar to 28 Jul
Broccoli growing on a plot
Sow outdoors
1 Apr to 30 Jun
Under cover
4 Mar to 28 Jul
First harvest
About 90 days after sowing. Sown on 1 April, ready around 30 June.
Warmth
Hardy: grows once days average 7°C.
Broccoli across the UK, town by town
CauliflowerOutdoors 15 Mar to 15 Jun; Under cover 15 Feb to 13 Jul
Cauliflower growing on a plot
Sow outdoors
15 Mar to 15 Jun
Under cover
15 Feb to 13 Jul
First harvest
About 120 days after sowing. Sown on 15 March, ready around 13 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 15 May; Under cover 15 Feb to 12 Jun
Brussels sprout growing on a plot
Sow outdoors
15 Mar to 15 May
Under cover
15 Feb to 12 Jun
First harvest
About 179 days after sowing. Sown on 15 March, ready around 10 September.
Warmth
Hardy: grows once days average 6°C.
Brussels sprout across the UK, town by town
KaleOutdoors 1 Apr to 15 Jul; Under cover 4 Mar to 12 Aug
Kale growing on a plot
Sow outdoors
1 Apr to 15 Jul
Under cover
4 Mar to 12 Aug
First harvest
About 80 days after sowing. Sown on 1 April, ready around 20 June.
Warmth
Hardy: grows once days average 7°C.
Kale across the UK, town by town
Pak choiOutdoors 15 Apr to 31 Aug; Under cover 18 Mar to 28 Sep
Pak choi growing on a plot
Sow outdoors
15 Apr to 31 Aug
Under cover
18 Mar to 28 Sep
First harvest
About 46 days after sowing. Sown on 15 April, ready around 31 May.
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 18 Jul; Under cover 21 Mar to 15 Aug
Basil growing on a plot
Sow outdoors
18 Apr to 18 Jul
Under cover
21 Mar to 15 Aug
First harvest
About 60 days after sowing. Sown on 18 April, ready around 17 June.
Warmth
Tender: needs days averaging 8°C or more, and no frost.
Basil across the UK, town by town
ParsleyOutdoors 15 Mar to 15 Aug; Under cover 15 Feb to 12 Sep
Parsley growing on a plot
Sow outdoors
15 Mar to 15 Aug
Under cover
15 Feb to 12 Sep
First harvest
About 76 days after sowing. Sown on 15 March, ready around 30 May.
Warmth
Hardy: grows once days average 6°C.
Parsley across the UK, town by town
CorianderOutdoors 1 Apr to 31 Aug; Under cover 4 Mar to 28 Sep
Coriander growing on a plot
Sow outdoors
1 Apr to 31 Aug
Under cover
4 Mar to 28 Sep
First harvest
About 51 days after sowing. Sown on 1 April, ready around 22 May.
Warmth
Hardy: grows once days average 7°C; bolts in hot weather.
Coriander across the UK, town by town
ChivesOutdoors 15 Mar to 31 May; Under cover 15 Feb to 28 Jun
Chives growing on a plot
Sow outdoors
15 Mar to 31 May
Under cover
15 Feb to 28 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 1 Apr to 29 Sep; Under cover 4 Mar to 27 Oct
Mint growing on a plot
Sow outdoors
1 Apr to 29 Sep
Under cover
4 Mar to 27 Oct
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 15 May; Under cover 15 Feb to 12 Jun
Strawberry growing on a plot
Plant outdoors
15 Mar to 15 May
Under cover
15 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 1 Nov to 27 Dec; Under cover 4 Oct to 24 Jan
Raspberry growing on a plot
Plant outdoors
1 Nov to 27 Dec
Under cover
4 Oct to 24 Jan
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 13 Dec; Under cover 17 Sep to 10 Jan
Rhubarb growing on a plot
Plant outdoors
15 Oct to 13 Dec
Under cover
17 Sep to 10 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

Questions about growing in Daventry

When is the last frost in Daventry?

On average around 18 April, and the first autumn frost comes around 12 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 Daventry?

Yes. Plant them outdoors 23 May to 17 Jun, or under cover 25 Apr to 15 Jul.

What can I sow in Daventry 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 Daventry. 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