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How to keep plants alive in a heatwave

When I first started gardening here I remember googling ” how to keep plants alive in a heatwave?” ๐Ÿ˜… Welcome to Perth summer gardening! I have always struggled with how hot it gets here in Perth in summer. After 7 years here, the 40degree days don’t get any easier! We have a large amount of thermal mass at our house with concrete and paved areas so it can get so hot in my garden! One of the main reasons I decided to make pallet planters on wheels was to be able to grow more food during the hot summer months by being able to have them undercover on hot days. Watch how we made them here.

How to keep plants alive in a heatwave

If you are experiencing a heatwave or have days of hot weather ahead of you, here are a few tips I use to try and get my plants through!

๐ŸŒฑ WATER | Give a good deep water early in the morning. This will allow time for the moisture to reach the roots before it evaporates.

๐ŸŒฑ SHADE | If your plants are in containers move them undercover or to a shady area of your garden. Otherwise, try and rig up some temporary shade using shade cloth or even umbrellas to keep the direct sun off your plants during the hottest part of the day.

๐ŸŒฑ PROTECT THE SOIL | Ensure you have a good layer of mulch or ground cover over your entire garden. This will protect the soil from being exposed to direct sun and reduce the amount of water loss through evaporation.

๐ŸŒฑ BUILD SOIL | This is something that should be continually worked on by composting and adding more fibre and leaf matter to your soil. Sandy soils like we have here in Perth allow all the water to drain away and can become severely water-resistant. But by consistently mulching, composting and adding green matter, you will not only grow strong, healthy plants but also protect your plants from future dry spells. Healthy soil is key!

๐ŸŒฑ REPLENISH | As the sun goes down and the temperatures start to drop again, give your plants another well-earnt drink. This should help their leaves perk back up again.

๐ŸŒฑ SAVE SEEDS | If you notice a certain plant seems to survive better than others in hot weather, make sure you save the seeds at the end of the season. That way you can futureproof your garden by growing strong plants that you know will grow well in your exact climate.

My favourite watering tools are:

Retractable Hose with 7 spray nozzle and water flow adjuster: Control exactly how much flow you want to each plant with an easy retractable hose system. CLICK HERE for more info.

Deep root waterer and soil breaker: Helps get water directly to the roots without any runoff or loss of water from evaporation. CLICK HERE for more info.

Weeper hose works great for drip-feeding water and allowing the plants to absorb more. CLICK HERE for more info.

Happy Gardening!

Holly ๐ŸŒฑ

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