How to keep your houseplants alive during a heatwave

With Summer (almost) underway, it's time to finally enjoy some Vitamin D! Whilst we may all enjoy a day or two of heat, the sudden change in weather could cause stress to your houseplants. Below we’ve listed ten of our top tips to ensure your indoor jungle remains happy and healthy this summer.

Adjust Watering Routine

During a spell of hot weather, houseplants lose moisture from their soil a lot faster due to evaporation (as opposed to root moisture uptake). Check the soil more frequently and water thoroughly when the top inch feels dry. However, avoid waterlogging, as this can lead to root rot. Early morning or late evening is the best time to water, allowing plants to absorb moisture before your home warms up and risk of evaporation increases.

Increase Humidity

Hot weather can lower indoor humidity here in the UK, which many houseplants thrive on. You can increase humidity by misting plants regularly, placing water-filled trays near them, or using a humidifier. Grouping plants together also creates a microenvironment with higher humidity levels.

Protect from Direct Sunlight

While some houseplants enjoy sunlight, the intense rays of a heatwave can easier scorch their leaves, causing permanent damage. It’s important to temporarily move your houseplants away from direct sunlight (for example those on a windowsill) or use sheer curtains to diffuse the light.

Repot if Necessary

If your plants are root-bound, they may struggle more during a heatwave. If you know you’re expecting a heatwave that has not yet arrived, now would be a great time repotting them into slightly larger containers with fresh potting soil. This gives roots more space to grow and access to additional nutrients and moisture.

Fertilise Wisely

During the warmer weather, plants can be more vulnerable to fertiliser burn. Reduce the amount of fertiliser or dilute it more than usual. This ensures your plants still receive the necessary nutrients without the risk of chemical damage.

Monitor for Pests

Heatwaves can sometimes lead to an increase in pests like spider mites and aphids. Regularly check your plants for signs of infestation and treat immediately if any pests are found. Neem oil or insecticidal soap are effective and safe options.

And as always, if you need any extra help or support please do not hesitate to reach out to us!

☀️ Certain plants might also need extra care during a heatwave. Pay close attention to their needs, checking them daily. Move stressed plants to shadier, cooler spots and ensure they receive adequate but not excessive water.

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