Should you water plants in sun? Experts warn against this time of day
Find out if you should water plants in sun to ensure that your garden survives any heatwaves
![Should you water plants in sun Watering a garden with sunflowers in it](https://cdn.mos.cms.futurecdn.net/ywfHsqAH5eQRLNN5VGVyu4-415-80.jpg)
If you're wondering should you water plants in sun, then you've come to the right place.
Knowing when to water your plants during hot weather, especially during heatwaves, can be hard, especially since watering your plants at the wrong time can have disastrous consequences.
As well as knowing whether you should water plants in sun, it's also vital you know how often to water a garden in hot weather. Getting these two elements right will ensure that you don't make any gardening mistakes during hot weather.
Should you water plants in sun?
In short, no you should not water plants in sun.
It is often said that you should not water plants in sun because water droplets on leaves can cause scorching, but this was actually dispelled as a myth by Hungarian scientists in 2010. However, watering plants in sun is still not a good idea. In fact, watering plants in full sun is one of the most common garden watering mistakes.
'It's not advisable to water plants in sun, as the water will just evaporate when watering hot soil during the day,' says Lucie Bradley, co-owner of greenhouse and garden product suppliers, Two Wests & Elliott.
Julian Palphramand, Head of Plants at British Garden Centres seconds this, saying 'Watering your plants in the direct sunlight is generally not advisable as a significant portion of the water will evaporate before it penetrates the soil, making it an inefficient watering method.'
Encouraged to garden since she was old enough to walk, Lucie has been working at Two Wests & Elliott since 1997. Originally working alongside the original founders, Mr and Mrs West, until they retired, she has now been fortunate enough to become one of the co-owners. She’s also lucky enough to get to talk to their customers, gardeners both amateur and professional, every day of the week and is always learning as she believes that you can never know everything about gardening as it is always evolving.
Julian Palphramand is Head of Plants at British Garden Centres. He was previously Horticulture Buyer at Wyevale Garden Centres and had extensive knowledge of various plants and advice on the best approaches to growing them.
Buys to help your watering
A smart drip system is an easy way to program a watering schedule for the perfect times. This size is great for balconies and small patios.
When should you water plants
Having established that it's not a good idea to water plants in sun – you'll be wondering whether it is better to water plants in the morning or at night.
'We recommend for optimal hydration, it's best to water your plants either early in the morning or late in the evening,' advises Julian Palphramand, Head of Plants at British Garden Centres.
'Morning watering allows plants to absorb moisture before the day’s heat intensifies, while evening watering provides time for the foliage to dry before night and reducing the risk of fungal diseases. Remember to water deeply but infrequently to encourage strong root development and improve your plant's drought resistance.'
If you only water plants in sun then the evaporation will likely cause the plants to be underwatered. However, if you water in full sun as well as in the morning and evening, then you run the risk of overwatering your plants in summer.
To avoid this, stick to a regular watering schedule – either morning or evening. Also invest in a good-quality mulch, which you can pick up on Amazon, as this will reduce the amount of evaporation and will help to keep your plants hydrated during the warmer weather.
If you aren't able to water your plants in the morning or evening, then a smart watering irrigation system will prove incredibly useful. These can range from sprinklers or drip systems that work on a timer to smart systems that utilise location and weather data. They are also one of the easiest way to keep plants watered while on holiday.
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Holly is one of Ideal Home’s content editors. Starting her career in 2018 as a feature writer and sub-editor for Period Living magazine, she has continued this role also adding regular features for Country Homes & Interiors and the Ideal Home website to her roster. Holly has a passion for traditional and country-inspired interiors – especially kitchen design – and is happiest when exploring the countryside and hills of the Lake District. A keen gardener, she is a strong believer that you can never have too many houseplants.
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