Expert Advice: Best Times to Water Your Garden During Heatwave
Gardeners told 'worst time' to water plants in heatwave on Tuesday

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Gardeners in the UK are advised against watering plants during peak heat hours, particularly in the afternoon. With temperatures reaching 34°C, watering in the morning is recommended to minimize evaporation and prevent pest attraction. The Royal Horticultural Society emphasizes the benefits of morning watering for plant health.
- 01UK temperatures are expected to reach 34°C, prompting gardeners to take action.
- 02Watering during the heat of the day leads to significant water loss through evaporation.
- 03Morning watering helps plants utilize water more efficiently as they begin transpiration.
- 04Watering in the evening can attract slugs, snails, and mildew diseases.
- 05The Royal Horticultural Society recommends watering in the morning for optimal plant health.
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As the UK experiences record-breaking heat, gardeners are cautioned against watering their plants during the hottest parts of the day. With temperatures soaring to 34°C, many are eager to tend to their gardens, especially for crops like strawberries and tomatoes. However, watering in the afternoon can lead to wasted water due to evaporation and can attract pests such as slugs and snails. The Royal Horticultural Society (RHS) advises that the best time to water is in the morning when plants begin to transpire and utilize water more effectively. Morning watering not only helps reduce evaporation but also keeps the soil surface drier for longer, discouraging mildew and other diseases. While evening watering is acceptable, it is less efficient and can lead to pest problems. By following these guidelines, gardeners can ensure healthier plants during this heatwave.
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Gardeners need to adjust their watering schedules to protect their plants during extreme heat.
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