Basils in Durham
Ocimum basilicum
Basil is a fragrant, tender herb whose leaves are a staple of summer cooking. Native to tropical regions, basil is treated as an annual in temperate climates like the UK because it cannot tolerate frost. It thrives in warm, sunny conditions and can be grown in garden beds or pots for a steady supply of fresh, flavourful leaves throughout the summer.
Growing Guide
Step-by-step instructions for growing Basil
Planting Calendar
Growing Guide for
Change the guide to see different planting timelines and tips.
Guide to growing basil by sowing seeds directly outside in the garden after frost.
1 Sow Seeds Outdoors
Sow basil seeds directly into well-prepared, warm soil in a sunny spot after the last frost. Sow thinly at a depth of and space rows apart. Cover lightly with soil and water gently. Sow 18th April - 2nd May.
2 Thin Seedlings
Once seedlings are large enough to handle, thin them to apart to allow proper growth. Remove weaker seedlings, leaving the strongest ones. Water after thinning. This should be done 16th May - 23rd May.
3 Water and Feed Plants
Keep the soil consistently moist, especially during dry spells. Apply a balanced liquid fertiliser every 3 weeks to promote healthy leaf production. Start feeding from 6th November and continue until 30th May.
4 Pinch Out and Prune
Pinch out the growing tips regularly to encourage bushy growth and delay flowering. Remove any flower buds as they appear. Start pinching from 6th November onwards to maintain plant shape.
5 Harvest Leaves
Begin harvesting leaves once plants are about tall. Pick leaves from the top down, avoiding over-harvesting. Harvest from 6th November until 24th June for a steady supply.
Companion Plants
Plants that grow well (or poorly) with Basil
Good Companions
Why Companion Planting Matters
Companion planting can help deter pests, improve pollination, enhance growth, and maximize garden space. Some plants release chemicals that repel pests or attract beneficial insects, while others can improve soil quality or provide shade for sensitive plants.
Suggested Varieties
Popular varieties of Basil to consider
Sweet Basil
The classic variety with large, aromatic green leaves, ideal for pesto and Italian dishes.
Greek Basil
A compact, bushy variety with small leaves, perfect for container growing and slower to bolt.
Purple Basil
Adds colour to the garden with deep purple leaves and a slightly stronger flavour, great for garnishes.
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Chilli Pepper
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