England, UK
Planting calendar for Swindon
Last frost around 12 April, first frost around 15 November: about 217 frost-free days.
- Last frost
- 12 April on average
- First frost
- 15 November on average
- Frost-free days
- 217 in a typical year
Sow now: November
See the whole yearOutdoors
Under cover
Nothing this month.
The year at a glance
When each crop can be sown in Swindon. Tap a crop for exact dates and when it’s ready to harvest.
| Crop | JJan | FFeb | MMar | AApr | MMay | JJun | JJul | AAug | SSep | OOct | NNov | DDec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fruiting | ||||||||||||
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | ||||||||||||
| 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: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month | |
| 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 | |
| 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 | |
| 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 | |
| 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: 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 | |
| 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 | ||||||||||||
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | ||||||||||||
| 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 | |
| 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 | |
| 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 | |
| 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 | ||||||||||||
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | ||||||||||||
| 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 | |
| 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 under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month | |
| 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 | |
| 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 | |
| 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 | |
| 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 | ||||||||||||
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | ||||||||||||
| 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 | |
| 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 | |
| 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 19 May to 13 Jun; Under cover 21 Apr to 11 Jul

- Sow outdoors
- 19 May to 13 Jun
- Under cover
- 21 Apr to 11 Jul
- First harvest
- About 105 days after sowing. Sown on 19 May, ready around 1 September.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
ChilliOutdoors 18 May to 13 Jun; Under cover 20 Apr to 11 Jul

- Sow outdoors
- 18 May to 13 Jun
- Under cover
- 20 Apr to 11 Jul
- First harvest
- About 123 days after sowing. Sown on 18 May, ready around 18 September.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
Sweet pepperOutdoors 23 May to 18 Jun; Under cover 25 Apr to 16 Jul

- Sow outdoors
- 23 May to 18 Jun
- Under cover
- 25 Apr to 16 Jul
- First harvest
- About 116 days after sowing. Sown on 23 May, ready around 16 September.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
AubergineOutdoors 23 May to 13 Jun; Under cover 25 Apr to 11 Jul

- Sow outdoors
- 23 May to 13 Jun
- Under cover
- 25 Apr to 11 Jul
- First harvest
- About 120 days after sowing. Sown on 23 May, ready around 20 September.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
CourgetteOutdoors 18 May to 28 Jun; Under cover 20 Apr to 26 Jul

- Sow outdoors
- 18 May to 28 Jun
- Under cover
- 20 Apr to 26 Jul
- First harvest
- About 60 days after sowing. Sown on 18 May, ready around 17 July.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
CucumberOutdoors 18 May to 28 Jun; Under cover 20 Apr to 26 Jul

- Sow outdoors
- 18 May to 28 Jun
- Under cover
- 20 Apr to 26 Jul
- First harvest
- About 69 days after sowing. Sown on 18 May, ready around 26 July.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
SquashOutdoors 18 May to 18 Jun; Under cover 20 Apr to 16 Jul

- Sow outdoors
- 18 May to 18 Jun
- Under cover
- 20 Apr to 16 Jul
- First harvest
- About 105 days after sowing. Sown on 18 May, ready around 31 August.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
SweetcornOutdoors 13 May to 18 Jun; Under cover 15 Apr to 16 Jul

- Sow outdoors
- 13 May to 18 Jun
- Under cover
- 15 Apr to 16 Jul
- First harvest
- About 98 days after sowing. Sown on 13 May, ready around 19 August.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
Roots
CarrotOutdoors 29 Mar to 7 Jul; Under cover 1 Mar to 4 Aug

- Sow outdoors
- 29 Mar to 7 Jul
- Under cover
- 1 Mar to 4 Aug
- First harvest
- About 102 days after sowing. Sown on 29 March, ready around 9 July.
- Warmth
- Hardy: grows once days average 7°C.
BeetrootOutdoors 29 Mar to 12 Jul; Under cover 1 Mar to 9 Aug

- Sow outdoors
- 29 Mar to 12 Jul
- Under cover
- 1 Mar to 9 Aug
- First harvest
- About 72 days after sowing. Sown on 29 March, ready around 9 June.
- Warmth
- Hardy: grows once days average 7°C.
ParsnipOutdoors 11 Mar to 29 May; Under cover 11 Feb to 26 Jun

- Sow outdoors
- 11 Mar to 29 May
- Under cover
- 11 Feb to 26 Jun
- First harvest
- About 132 days after sowing. Sown on 11 March, ready around 21 July.
- Warmth
- Hardy: grows once days average 6°C.
RadishOutdoors 11 Mar to 19 Sep; Under cover 11 Feb to 17 Oct

- Sow outdoors
- 11 Mar to 19 Sep
- Under cover
- 11 Feb to 17 Oct
- First harvest
- About 29 days after sowing. Sown on 11 March, ready around 9 April.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
PotatoOutdoors 11 Mar to 8 May; Under cover 11 Feb to 5 Jun

- Plant outdoors
- 11 Mar to 8 May
- Under cover
- 11 Feb to 5 Jun
- First harvest
- About 103 days after planting. Planted on 11 March, ready around 22 June.
- Warmth
- Hardy: grows once days average 6°C.
TurnipOutdoors 11 Mar to 19 Aug; Under cover 11 Feb to 16 Sep

- Sow outdoors
- 11 Mar to 19 Aug
- Under cover
- 11 Feb to 16 Sep
- First harvest
- About 62 days after sowing. Sown on 11 March, ready around 12 May.
- Warmth
- Hardy: grows once days average 6°C.
Leaves
LettuceOutdoors 17 Mar to 14 Aug; Under cover 17 Feb to 11 Sep

- Sow outdoors
- 17 Mar to 14 Aug
- Under cover
- 17 Feb to 11 Sep
- First harvest
- About 73 days after sowing. Sown on 17 March, ready around 29 May.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
SpinachOutdoors 11 Mar to 19 Sep; Under cover 11 Feb to 17 Oct

- Sow outdoors
- 11 Mar to 19 Sep
- Under cover
- 11 Feb to 17 Oct
- First harvest
- About 47 days after sowing. Sown on 11 March, ready around 27 April.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Swiss chardOutdoors 29 Mar to 19 Aug; Under cover 1 Mar to 16 Sep

- Sow outdoors
- 29 Mar to 19 Aug
- Under cover
- 1 Mar to 16 Sep
- First harvest
- About 62 days after sowing. Sown on 29 March, ready around 30 May.
- Warmth
- Hardy: grows once days average 7°C.
RocketOutdoors 11 Mar to 19 Sep; Under cover 11 Feb to 17 Oct

- Sow outdoors
- 11 Mar to 19 Sep
- Under cover
- 11 Feb to 17 Oct
- First harvest
- About 42 days after sowing. Sown on 11 March, ready around 22 April.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
CeleryOutdoors 24 Feb to 28 Apr; Under cover 27 Jan to 26 May

- Sow outdoors
- 24 Feb to 28 Apr
- Under cover
- 27 Jan to 26 May
- First harvest
- About 134 days after sowing. Sown on 24 February, ready around 8 July.
- Warmth
- Hardy: grows once days average 5°C.
Beans and peas
Runner beanOutdoors 13 May to 28 Jun; Under cover 15 Apr to 26 Jul

- Sow outdoors
- 13 May to 28 Jun
- Under cover
- 15 Apr to 26 Jul
- First harvest
- About 89 days after sowing. Sown on 13 May, ready around 10 August.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
French beanOutdoors 13 May to 13 Jul; Under cover 15 Apr to 10 Aug

- Sow outdoors
- 13 May to 13 Jul
- Under cover
- 15 Apr to 10 Aug
- First harvest
- About 70 days after sowing. Sown on 13 May, ready around 22 July.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
Broad beanOutdoors 3 Oct to 23 Nov; Under cover 5 Sep to 21 Dec

- Sow outdoors
- 3 Oct to 23 Nov
- Under cover
- 5 Sep to 21 Dec
- First harvest
- About 220 days after sowing. Sown on 3 October, ready around 11 May.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
PeaOutdoors 11 Mar to 13 Jun; Under cover 11 Feb to 11 Jul

- Sow outdoors
- 11 Mar to 13 Jun
- Under cover
- 11 Feb to 11 Jul
- First harvest
- About 83 days after sowing. Sown on 11 March, ready around 2 June.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Onion family
OnionOutdoors 6 Mar to 28 Apr; Under cover 6 Feb to 26 May

- Plant outdoors
- 6 Mar to 28 Apr
- Under cover
- 6 Feb to 26 May
- First harvest
- About 143 days after planting. Planted on 6 March, ready around 27 July.
- Warmth
- Hardy: grows once days average 6°C.
GarlicOutdoors 3 Oct to 4 Dec; Under cover 5 Sep to 1 Jan

- Plant outdoors
- 3 Oct to 4 Dec
- Under cover
- 5 Sep to 1 Jan
- First harvest
- About 250 days after planting. Planted on 3 October, ready around 10 June.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
LeekOutdoors 11 Mar to 28 Jun; Under cover 11 Feb to 26 Jul

- Sow outdoors
- 11 Mar to 28 Jun
- Under cover
- 11 Feb to 26 Jul
- First harvest
- About 152 days after sowing. Sown on 11 March, ready around 10 August.
- Warmth
- Hardy: grows once days average 6°C.
Spring onionOutdoors 24 Feb to 4 Sep; Under cover 27 Jan to 2 Oct

- Sow outdoors
- 24 Feb to 4 Sep
- Under cover
- 27 Jan to 2 Oct
- First harvest
- About 74 days after sowing. Sown on 24 February, ready around 9 May.
- Warmth
- Hardy: grows once days average 5°C.
ShallotOutdoors 7 Feb to 28 Apr; Under cover 10 Jan to 26 May

- Plant outdoors
- 7 Feb to 28 Apr
- Under cover
- 10 Jan to 26 May
- First harvest
- About 140 days after planting. Planted on 7 February, ready around 27 June.
- Warmth
- Hardy: grows once days average 5°C.
Brassicas
CabbageOutdoors 11 Mar to 12 Jul; Under cover 11 Feb to 9 Aug

- Sow outdoors
- 11 Mar to 12 Jul
- Under cover
- 11 Feb to 9 Aug
- First harvest
- About 113 days after sowing. Sown on 11 March, ready around 2 July.
- Warmth
- Hardy: grows once days average 6°C.
BroccoliOutdoors 29 Mar to 28 Jun; Under cover 1 Mar to 26 Jul

- Sow outdoors
- 29 Mar to 28 Jun
- Under cover
- 1 Mar to 26 Jul
- First harvest
- About 92 days after sowing. Sown on 29 March, ready around 29 June.
- Warmth
- Hardy: grows once days average 7°C.
CauliflowerOutdoors 11 Mar to 13 Jun; Under cover 11 Feb to 11 Jul

- Sow outdoors
- 11 Mar to 13 Jun
- Under cover
- 11 Feb to 11 Jul
- First harvest
- About 123 days after sowing. Sown on 11 March, ready around 12 July.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Brussels sproutOutdoors 11 Mar to 13 May; Under cover 11 Feb to 10 Jun

- Sow outdoors
- 11 Mar to 13 May
- Under cover
- 11 Feb to 10 Jun
- First harvest
- About 179 days after sowing. Sown on 11 March, ready around 6 September.
- Warmth
- Hardy: grows once days average 6°C.
KaleOutdoors 29 Mar to 12 Jul; Under cover 1 Mar to 9 Aug

- Sow outdoors
- 29 Mar to 12 Jul
- Under cover
- 1 Mar to 9 Aug
- First harvest
- About 82 days after sowing. Sown on 29 March, ready around 19 June.
- Warmth
- Hardy: grows once days average 7°C.
Pak choiOutdoors 13 Apr to 4 Sep; Under cover 16 Mar to 2 Oct

- Sow outdoors
- 13 Apr to 4 Sep
- Under cover
- 16 Mar to 2 Oct
- First harvest
- About 46 days after sowing. Sown on 13 April, ready around 29 May.
- Warmth
- Hardy: grows once days average 8°C; bolts in hot weather.
Herbs
BasilOutdoors 13 Apr to 13 Jul; Under cover 16 Mar to 10 Aug

- Sow outdoors
- 13 Apr to 13 Jul
- Under cover
- 16 Mar to 10 Aug
- First harvest
- About 61 days after sowing. Sown on 13 April, ready around 13 June.
- Warmth
- Tender: needs days averaging 8°C or more, and no frost.
ParsleyOutdoors 11 Mar to 19 Aug; Under cover 11 Feb to 16 Sep

- Sow outdoors
- 11 Mar to 19 Aug
- Under cover
- 11 Feb to 16 Sep
- First harvest
- About 78 days after sowing. Sown on 11 March, ready around 28 May.
- Warmth
- Hardy: grows once days average 6°C.
CorianderOutdoors 29 Mar to 4 Sep; Under cover 1 Mar to 2 Oct

- Sow outdoors
- 29 Mar to 4 Sep
- Under cover
- 1 Mar to 2 Oct
- First harvest
- About 52 days after sowing. Sown on 29 March, ready around 20 May.
- Warmth
- Hardy: grows once days average 7°C; bolts in hot weather.
ChivesOutdoors 11 Mar to 29 May; Under cover 11 Feb to 26 Jun

- Sow outdoors
- 11 Mar to 29 May
- Under cover
- 11 Feb to 26 Jun
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 6°C.
MintOutdoors 29 Mar to 5 Oct; Under cover 1 Mar to 2 Nov

- Sow outdoors
- 29 Mar to 5 Oct
- Under cover
- 1 Mar to 2 Nov
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 7°C.
Fruit
StrawberryOutdoors 11 Mar to 13 May; Under cover 11 Feb to 10 Jun

- Plant outdoors
- 11 Mar to 13 May
- Under cover
- 11 Feb to 10 Jun
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 6°C.
RaspberryOutdoors 4 Nov to 18 Jan; Under cover 7 Oct to 15 Feb

- Plant outdoors
- 4 Nov to 18 Jan
- Under cover
- 7 Oct to 15 Feb
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
RhubarbOutdoors 17 Oct to 21 Dec; Under cover 19 Sep to 18 Jan

- Plant outdoors
- 17 Oct to 21 Dec
- Under cover
- 19 Sep to 18 Jan
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
Questions about growing in Swindon
When is the last frost in Swindon?
On average around 12 April, and the first autumn frost comes around 15 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 Swindon?
Yes. Plant them outdoors 19 May to 13 Jun, or under cover 21 Apr to 11 Jul.
What can I sow in Swindon 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.
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
