Watering During Drought and Hosepipe Bans
A drought calls for careful prioritising, not simply more watering. Focus limited water where it protects crops, use stored rainwater wisely, and follow any local restrictions. With mulch, shade and sensible timing, a vegetable garden or allotment can remain productive while using considerably less water than an unplanned daily routine.
Check your water supplier's current rules before using a hosepipe, sprinkler or irrigation system. Restrictions vary by area and may change during a dry summer, so do not rely on advice from another region or a previous year. A hosepipe ban commonly affects mains-water use, but the exact exemptions and rules are set locally. Use a watering can where permitted and choose stored rainwater first. Do not assume a water butt makes unrestricted use acceptable if it has been topped up from the mains. Keep a note of the announcement date and any guidance for allotment holders, shared gardens or communal taps.
Prioritise water according to plant value and vulnerability. Newly planted vegetables, seedlings, container crops, tomatoes, courgettes, cucumbers, runner beans and crops forming edible roots or fruit deserve attention first. Mature, established plants with deep roots can often tolerate a short dry period better than young plants. Let lawns go brown rather than diverting water from food crops; they normally recover when rain returns. Stop sowing large areas of salad or carrots unless you can keep the seedbed evenly moist. Instead, sow a short row at a time in a shaded, well-prepared patch and cover it with fleece or a cloche if suitable.
Water early in the morning, close to the soil, and apply enough for moisture to reach roots. A watering can with a rose helps deliver water gently to young plants, while a can without the rose directs water precisely around established plants. Avoid sprinkling broad areas or repeatedly wetting foliage. Make a shallow basin around individual plants so water cannot run away. On hard, baked soil, add water in two passes: give a small amount first, wait for it to soak in, then water more deeply. This is slower, but far more effective than allowing water to flow across the surface.
Mulch is one of the strongest drought tools available to a home gardener. After watering and weeding, spread 5 cm of garden compost, leaf mould, well-rotted manure or clean grass clippings around plants. Keep mulch several centimetres from stems to avoid rot and slugs sheltering directly against them. In containers, cover compost with a thinner mulch and group pots together to create a cooler, less windy microclimate. Shade the sides of dark pots with another container, board or fabric. Do not mulch bone-dry soil and expect it to rehydrate; water first, then cover the surface.
Collect and use water carefully. Keep water butts covered, clear leaves from gutters and use saved rainwater on high-priority crops. Reuse suitable household water only where local guidance permits, and apply it directly to ornamental or non-edible areas if you are uncertain about suitability. Do not use water containing harsh cleaning products, and do not store reused water for long. Place a bucket beneath greenhouse staging when watering pots to catch drainage for immediate reuse on nearby non-sensitive plants. Sweep paths instead of washing them, and use a bucket for essential cleaning rather than a running hose.
When drought ends, do not suddenly drench every bed. Check soil beneath mulch and reintroduce normal watering according to need. Remove any exhausted annual plants, add their healthy material to the compost heap or green-waste collection, and improve the soil with garden compost when conditions allow. Note which crops struggled, which beds dried first and whether your water storage was adequate. For next year, add more organic matter, group thirsty crops together, install drip irrigation where permitted and expand rainwater collection. Resilient gardens are built gradually through better soil and routines, not emergency watering alone.
Frequently asked questions
May I use water from a butt during a hosepipe ban?
Usually stored rainwater is valuable to use, but rules vary by water supplier and may depend on how the water was collected or topped up. Check the current local restriction notice. Use it sparingly for seedlings, containers and fruiting crops, rather than spreading it thinly across the whole garden.
Should I keep watering a lawn in drought?
No, not while vegetable crops or young plants need limited water. Established lawns often turn brown and dormant in dry weather but recover after rain. Concentrate instead on newly planted food crops, pots, greenhouse plants and vegetables that are flowering or producing fruit.
How can I sow seeds during a dry spell?
Prepare only a small area, water the drill before sowing, cover seed lightly and protect it from drying wind with fleece or a cloche where appropriate. Check daily. If you cannot maintain steady moisture until germination, delay sowing rather than wasting seed and water.
General guidance for UK home gardens and allotments. Conditions vary by region, soil and season; the RHS or a local garden centre can give site-specific advice. Page updated 19 Sep 2026.