Dwarf Alberta Spruce - Knowledgebase Question

roseville,, ca
Question by gramiou
July 26, 2005
My two alberta spruce trees have burnt parts on them due to the intense heat the last two weeks. Should I hand water them daily? They are currently on a drip system.


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Answer from NGA
July 26, 2005

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Intense heat and sunshine can certainly burn the foliage on your Alberta Spruces and about the only thing you can do is wait until next spring to prune the damaged parts off. I wouldn't water on a daily basis. Believe it or not, plants tend to slow their growth when temperatures reach 90F or above so they use less water than they might otherwise use. On the other hand, soil moisture can evaporate quickly under intense heat. So, my recommendation is to lay a few inches of organic mulch around the base of your tree to moderate soil temperatures and help slow evaporation. Then either use your drip system or water by hand, soaking the soil deeply once each week. Hope the weather cools down soon!

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