What to sow in London in July
In July, London averages 18 °C, with nights around 14 °C.
Frosty nights are usual from November to March: the last frost typically comes in March.
A typical winter's coldest night: −3 °C.
Warm months (15 °C or more on average): June to September.
Sow outdoors
- Onion (Allium cepa)
- Beet (Beta vulgaris)
- Endive (Cichorium endivia)
- Lettuce (Lactuca sativa)
- Pepper (Capsicum annuum)
- Radish (Raphanus sativus)
- Welsh onion (Allium fistulosum)
- Chives (Allium schoenoprasum)
- Cucumber (Cucumis sativus)
- Courgette (Cucurbita pepo)
- French bean (Phaseolus vulgaris)
- Spinach (Spinacia oleracea)
- Rape (Brassica napus)
- Sweet basil (Ocimum basilicum)
- Brown mustard (Brassica juncea)
- Chinese chives (Allium tuberosum)
- Coriander (Coriandrum sativum)
- Sunflower (Helianthus annuus)
- Purslane (Portulaca oleracea)
- Oregano (Origanum vulgare)
- Prince's-feather (Amaranthus hypochondriacus)
- Arrach (Atriplex hortensis)
- Pot marigold (Calendula officinalis)
- Garden cress (Lepidium sativum)
Sow indoors
In pots or trays somewhere warm, to plant out later.
New next month, in August
- Quinoa (Chenopodium quinoa)
- Dill (Anethum graveolens)
- Borage (Borago officinalis)
- Crown daisy (Glebionis coronaria)
- Narrowleaf lupine (Lupinus angustifolius)
- White clover (Trifolium repens)
- Tarragon (Artemisia dracunculus)
- Beach strawberry (Fragaria chiloensis)
- Virginia strawberry (Fragaria virginiana)
- Hairystem gooseberry (Ribes hirtellum)
- Cultivated currant (Ribes rubrum)
- Salad Burnet (Sanguisorba minor)
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Month by month
Worked out from the last ten years of London's climate and each plant's needs: germination temperature, frost limit and time to harvest.