Provide shade or use shade cloth during peak sun hours.Mulch around the base of your plants to retain soil moisture and regulate temperature.Water your plants deeply and regularly.To help your plants thrive in hot conditions, consider implementing the following measures from, based in Tucson: ![]() But during a heat wave, it adds unnecessary stress that can put plant health at risk. Under normal circumstances, plants can recover quickly from pruning. "Do not plant or prune plants during intense heat," said Michael Chamberland, assistant agent for urban horticulture at the University of Arizona Maricopa County Cooperative Extension. How do I keep plants alive in extreme heat? If you've chosen plants that are not suited for your climate or weather conditions, they may struggle to survive in extreme heat. Plant selection: Some plants are better adapted to handle heat than others.You can start doing a homemade compost bin to help. Soil quality: Poor soil structure and lack of organic matter can contribute to decreased water retention and nutrient availability for plants.Lack of shade: If plants are not provided with adequate shade during the hottest parts of the day, they may be exposed to too much direct sunlight, increasing the risk of heat-related damage.Sunburn: Some plants are more sensitive to direct sunlight, and intense heat can cause sunburn on leaves and stems.Heat stress: Extremely high temperatures can disrupt the plant's metabolism and overall functioning.Root damage: In hot conditions, soil can become dry and compacted, making it harder for roots to absorb water and nutrients.If the rate of water loss exceeds the plant's ability to take up water from the soil, it can lead to dehydration and wilting. Water stress: High temperatures cause plants to lose water quickly through a process called transpiration.Here are some common reasons why plants may be dying in the heat, according to the Cooperative Extension: The University of Arizona Cooperative Extension's website says that "extreme heat is a form of stress and will negatively impact plant health." There are many reasons why your plants could be dying in the heat, including not being in the shade enough or water stress. Here's how to care for plants during extreme heat.ĭrought tolerant: Wondering what plants can survive an Arizona summer? These garden pros have tips for you Why are my plants dying in the heat? From sunburned plants and heat-stressed trees to wondering when and how to water your lawn when the thermometer hits 118 degrees for days in a row, people are concerned about keeping their plants alive this summer. ![]() From getting burned by your seatbelt buckle to constantly being sweaty, it's the price we pay for living here the rest of the year when the weather is lovely.īut humans aren't the only life forms that struggle in the excessive heat we're experiencing this summer. The extreme heat in metro Phoenix isn’t leaving any time soon, so make your peace with it. Watch Video: Rose Garden at Mesa Community College is a hidden gem: Video
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