England, UK
Planting calendar for High Wycombe
Last frost around 10 April, first frost around 15 November: about 219 frost-free days.
- Last frost
- 10 April on average
- First frost
- 15 November on average
- Frost-free days
- 219 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 High Wycombe. 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: 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 | |
| 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 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 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: Sow under cover | February: Sow outdoors and 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: 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 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: 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 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 16 May to 10 Jun; Under cover 18 Apr to 8 Jul

- Sow outdoors
- 16 May to 10 Jun
- Under cover
- 18 Apr to 8 Jul
- First harvest
- About 100 days after sowing. Sown on 16 May, ready around 24 August.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
ChilliOutdoors 15 May to 10 Jun; Under cover 17 Apr to 8 Jul

- Sow outdoors
- 15 May to 10 Jun
- Under cover
- 17 Apr to 8 Jul
- First harvest
- About 115 days after sowing. Sown on 15 May, ready around 7 September.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
Sweet pepperOutdoors 20 May to 15 Jun; Under cover 22 Apr to 13 Jul

- Sow outdoors
- 20 May to 15 Jun
- Under cover
- 22 Apr to 13 Jul
- First harvest
- About 109 days after sowing. Sown on 20 May, ready around 6 September.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
AubergineOutdoors 20 May to 10 Jun; Under cover 22 Apr to 8 Jul

- Sow outdoors
- 20 May to 10 Jun
- Under cover
- 22 Apr to 8 Jul
- First harvest
- About 111 days after sowing. Sown on 20 May, ready around 8 September.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
CourgetteOutdoors 15 May to 25 Jun; Under cover 17 Apr to 23 Jul

- Sow outdoors
- 15 May to 25 Jun
- Under cover
- 17 Apr to 23 Jul
- First harvest
- About 59 days after sowing. Sown on 15 May, ready around 13 July.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
CucumberOutdoors 15 May to 25 Jun; Under cover 17 Apr to 23 Jul

- Sow outdoors
- 15 May to 25 Jun
- Under cover
- 17 Apr to 23 Jul
- First harvest
- About 68 days after sowing. Sown on 15 May, ready around 22 July.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
SquashOutdoors 15 May to 15 Jun; Under cover 17 Apr to 13 Jul

- Sow outdoors
- 15 May to 15 Jun
- Under cover
- 17 Apr to 13 Jul
- First harvest
- About 101 days after sowing. Sown on 15 May, ready around 24 August.
- Warmth
- Tender: needs days averaging 12°C or more, and no frost.
SweetcornOutdoors 10 May to 15 Jun; Under cover 12 Apr to 13 Jul

- Sow outdoors
- 10 May to 15 Jun
- Under cover
- 12 Apr to 13 Jul
- First harvest
- About 95 days after sowing. Sown on 10 May, ready around 13 August.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
Roots
CarrotOutdoors 27 Mar to 5 Jul; Under cover 27 Feb to 2 Aug

- Sow outdoors
- 27 Mar to 5 Jul
- Under cover
- 27 Feb to 2 Aug
- First harvest
- About 100 days after sowing. Sown on 27 March, ready around 5 July.
- Warmth
- Hardy: grows once days average 7°C.
BeetrootOutdoors 27 Mar to 10 Jul; Under cover 27 Feb to 7 Aug

- Sow outdoors
- 27 Mar to 10 Jul
- Under cover
- 27 Feb to 7 Aug
- First harvest
- About 71 days after sowing. Sown on 27 March, ready around 6 June.
- Warmth
- Hardy: grows once days average 7°C.
ParsnipOutdoors 9 Mar to 26 May; Under cover 9 Feb to 23 Jun

- Sow outdoors
- 9 Mar to 26 May
- Under cover
- 9 Feb to 23 Jun
- First harvest
- About 131 days after sowing. Sown on 9 March, ready around 18 July.
- Warmth
- Hardy: grows once days average 6°C.
RadishOutdoors 9 Mar to 21 Sep; Under cover 9 Feb to 19 Oct

- Sow outdoors
- 9 Mar to 21 Sep
- Under cover
- 9 Feb to 19 Oct
- First harvest
- About 29 days after sowing. Sown on 9 March, ready around 7 April.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
PotatoOutdoors 9 Mar to 5 May; Under cover 9 Feb to 2 Jun

- Plant outdoors
- 9 Mar to 5 May
- Under cover
- 9 Feb to 2 Jun
- First harvest
- About 102 days after planting. Planted on 9 March, ready around 19 June.
- Warmth
- Hardy: grows once days average 6°C.
TurnipOutdoors 9 Mar to 22 Aug; Under cover 9 Feb to 19 Sep

- Sow outdoors
- 9 Mar to 22 Aug
- Under cover
- 9 Feb to 19 Sep
- First harvest
- About 62 days after sowing. Sown on 9 March, ready around 10 May.
- Warmth
- Hardy: grows once days average 6°C.
Leaves
LettuceOutdoors 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 72 days after sowing. Sown on 15 March, ready around 26 May.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
SpinachOutdoors 9 Mar to 21 Sep; Under cover 9 Feb to 19 Oct

- Sow outdoors
- 9 Mar to 21 Sep
- Under cover
- 9 Feb to 19 Oct
- First harvest
- About 47 days after sowing. Sown on 9 March, ready around 25 April.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Swiss chardOutdoors 27 Mar to 22 Aug; Under cover 27 Feb to 19 Sep

- Sow outdoors
- 27 Mar to 22 Aug
- Under cover
- 27 Feb to 19 Sep
- First harvest
- About 61 days after sowing. Sown on 27 March, ready around 27 May.
- Warmth
- Hardy: grows once days average 7°C.
RocketOutdoors 9 Mar to 21 Sep; Under cover 9 Feb to 19 Oct

- Sow outdoors
- 9 Mar to 21 Sep
- Under cover
- 9 Feb to 19 Oct
- First harvest
- About 41 days after sowing. Sown on 9 March, ready around 19 April.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
CeleryOutdoors 22 Feb to 25 Apr; Under cover 25 Jan to 23 May

- Sow outdoors
- 22 Feb to 25 Apr
- Under cover
- 25 Jan to 23 May
- First harvest
- About 133 days after sowing. Sown on 22 February, ready around 5 July.
- Warmth
- Hardy: grows once days average 5°C.
Beans and peas
Runner beanOutdoors 10 May to 25 Jun; Under cover 12 Apr to 23 Jul

- Sow outdoors
- 10 May to 25 Jun
- Under cover
- 12 Apr to 23 Jul
- First harvest
- About 86 days after sowing. Sown on 10 May, ready around 4 August.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
French beanOutdoors 10 May to 10 Jul; Under cover 12 Apr to 7 Aug

- Sow outdoors
- 10 May to 10 Jul
- Under cover
- 12 Apr to 7 Aug
- First harvest
- About 69 days after sowing. Sown on 10 May, ready around 18 July.
- Warmth
- Tender: needs days averaging 11°C or more, and no frost.
Broad beanOutdoors 6 Oct to 24 Nov; Under cover 8 Sep to 22 Dec

- Sow outdoors
- 6 Oct to 24 Nov
- Under cover
- 8 Sep to 22 Dec
- First harvest
- About 220 days after sowing. Sown on 6 October, ready around 14 May.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
PeaOutdoors 9 Mar to 9 Jun; Under cover 9 Feb to 7 Jul

- Sow outdoors
- 9 Mar to 9 Jun
- Under cover
- 9 Feb to 7 Jul
- First harvest
- About 82 days after sowing. Sown on 9 March, ready around 30 May.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Onion family
OnionOutdoors 4 Mar to 25 Apr; Under cover 4 Feb to 23 May

- Plant outdoors
- 4 Mar to 25 Apr
- Under cover
- 4 Feb to 23 May
- First harvest
- About 141 days after planting. Planted on 4 March, ready around 23 July.
- Warmth
- Hardy: grows once days average 6°C.
GarlicOutdoors 6 Oct to 4 Dec; Under cover 8 Sep to 1 Jan

- Plant outdoors
- 6 Oct to 4 Dec
- Under cover
- 8 Sep to 1 Jan
- First harvest
- About 250 days after planting. Planted on 6 October, ready around 13 June.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
LeekOutdoors 9 Mar to 24 Jun; Under cover 9 Feb to 22 Jul

- Sow outdoors
- 9 Mar to 24 Jun
- Under cover
- 9 Feb to 22 Jul
- First harvest
- About 149 days after sowing. Sown on 9 March, ready around 5 August.
- Warmth
- Hardy: grows once days average 6°C.
Spring onionOutdoors 22 Feb to 6 Sep; Under cover 25 Jan to 4 Oct

- Sow outdoors
- 22 Feb to 6 Sep
- Under cover
- 25 Jan to 4 Oct
- First harvest
- About 74 days after sowing. Sown on 22 February, ready around 7 May.
- Warmth
- Hardy: grows once days average 5°C.
ShallotOutdoors 5 Feb to 25 Apr; Under cover 8 Jan to 23 May

- Plant outdoors
- 5 Feb to 25 Apr
- Under cover
- 8 Jan to 23 May
- First harvest
- About 139 days after planting. Planted on 5 February, ready around 24 June.
- Warmth
- Hardy: grows once days average 5°C.
Brassicas
CabbageOutdoors 9 Mar to 9 Jul; Under cover 9 Feb to 6 Aug

- Sow outdoors
- 9 Mar to 9 Jul
- Under cover
- 9 Feb to 6 Aug
- First harvest
- About 111 days after sowing. Sown on 9 March, ready around 28 June.
- Warmth
- Hardy: grows once days average 6°C.
BroccoliOutdoors 27 Mar to 25 Jun; Under cover 27 Feb to 23 Jul

- Sow outdoors
- 27 Mar to 25 Jun
- Under cover
- 27 Feb to 23 Jul
- First harvest
- About 91 days after sowing. Sown on 27 March, ready around 26 June.
- Warmth
- Hardy: grows once days average 7°C.
CauliflowerOutdoors 9 Mar to 9 Jun; Under cover 9 Feb to 7 Jul

- Sow outdoors
- 9 Mar to 9 Jun
- Under cover
- 9 Feb to 7 Jul
- First harvest
- About 121 days after sowing. Sown on 9 March, ready around 8 July.
- Warmth
- Hardy: grows once days average 6°C; bolts in hot weather.
Brussels sproutOutdoors 9 Mar to 10 May; Under cover 9 Feb to 7 Jun

- Sow outdoors
- 9 Mar to 10 May
- Under cover
- 9 Feb to 7 Jun
- First harvest
- About 175 days after sowing. Sown on 9 March, ready around 31 August.
- Warmth
- Hardy: grows once days average 6°C.
KaleOutdoors 27 Mar to 10 Jul; Under cover 27 Feb to 7 Aug

- Sow outdoors
- 27 Mar to 10 Jul
- Under cover
- 27 Feb to 7 Aug
- First harvest
- About 81 days after sowing. Sown on 27 March, ready around 16 June.
- Warmth
- Hardy: grows once days average 7°C.
Pak choiOutdoors 10 Apr to 6 Sep; Under cover 13 Mar to 4 Oct

- Sow outdoors
- 10 Apr to 6 Sep
- Under cover
- 13 Mar to 4 Oct
- First harvest
- About 46 days after sowing. Sown on 10 April, ready around 26 May.
- Warmth
- Hardy: grows once days average 8°C; bolts in hot weather.
Herbs
BasilOutdoors 10 Apr to 10 Jul; Under cover 13 Mar to 7 Aug

- Sow outdoors
- 10 Apr to 10 Jul
- Under cover
- 13 Mar to 7 Aug
- First harvest
- About 61 days after sowing. Sown on 10 April, ready around 10 June.
- Warmth
- Tender: needs days averaging 8°C or more, and no frost.
ParsleyOutdoors 9 Mar to 22 Aug; Under cover 9 Feb to 19 Sep

- Sow outdoors
- 9 Mar to 22 Aug
- Under cover
- 9 Feb to 19 Sep
- First harvest
- About 77 days after sowing. Sown on 9 March, ready around 25 May.
- Warmth
- Hardy: grows once days average 6°C.
CorianderOutdoors 27 Mar to 6 Sep; Under cover 27 Feb to 4 Oct

- Sow outdoors
- 27 Mar to 6 Sep
- Under cover
- 27 Feb to 4 Oct
- First harvest
- About 51 days after sowing. Sown on 27 March, ready around 17 May.
- Warmth
- Hardy: grows once days average 7°C; bolts in hot weather.
ChivesOutdoors 9 Mar to 26 May; Under cover 9 Feb to 23 Jun

- Sow outdoors
- 9 Mar to 26 May
- Under cover
- 9 Feb to 23 Jun
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 6°C.
MintOutdoors 27 Mar to 6 Oct; Under cover 27 Feb to 3 Nov

- Sow outdoors
- 27 Mar to 6 Oct
- Under cover
- 27 Feb to 3 Nov
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 7°C.
Fruit
StrawberryOutdoors 9 Mar to 10 May; Under cover 9 Feb to 7 Jun

- Plant outdoors
- 9 Mar to 10 May
- Under cover
- 9 Feb to 7 Jun
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: grows once days average 6°C.
RaspberryOutdoors 5 Nov to 17 Jan; Under cover 8 Oct to 14 Feb

- Plant outdoors
- 5 Nov to 17 Jan
- Under cover
- 8 Oct to 14 Feb
- First harvest
- Crops every year once it’s established.
- Warmth
- Hardy: goes in as the weather cools, and grows on through winter.
RhubarbOutdoors 19 Oct to 21 Dec; Under cover 21 Sep to 18 Jan

- Plant outdoors
- 19 Oct to 21 Dec
- Under cover
- 21 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.
Also covers
Watford, Bracknell, Aylesbury, Wokingham, North Watford, Crowthorne, and nearby villages. Dates are within a few days across the area.
Questions about growing in High Wycombe
When is the last frost in High Wycombe?
On average around 10 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 High Wycombe?
Yes. Plant them outdoors 16 May to 10 Jun, or under cover 18 Apr to 8 Jul.
What can I sow in High Wycombe 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
