Japanese Maple tree’s leaves curl

Our Japanese Maple tree’s leaves curl and discolor about mid season. How do we protect it?

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1 Comment To "Japanese Maple tree’s leaves curl"

#1 Comment By shelley On 05/03/2015 @ 11:24 am

I suspect that it is caused by leaf scorch. Here is an article about leaf scorch in japanese maples which will give you guidelines on how to prevent it:

Sample photo: http://www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening%20Help/images/Pests/Scorch1190.jpg ^[1]

Article with advice: https://www.rhs.org.uk/advice/profile?pid=591 ^[2]

Anthracnose can also cause discoloration and leaf curl:
Photos & Information: https://urbanext.illinois.edu/hortanswers/detailProblem.cfm?PathogenID=5 ^[3]

Insects such as aphids and thrips can also cause leaf curl as well:
https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm ^[4]
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm ^[5]

Article printed from Gardening Know How Questions & Answers: https://questions.gardeningknowhow.com

URL to article: https://questions.gardeningknowhow.com/our-japenese-maple-trees-leaves-curl-and-discolor-about-mid-season-how-do-we/

URLs in this post:

[1] http://www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening%20Help/images/Pests/Scorch1190.jpg: http://www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening%20Help/images/Pests/Scorch1190.jpg

[2] https://www.rhs.org.uk/advice/profile?pid=591: https://www.rhs.org.uk/advice/profile?pid=591

[3] https://urbanext.illinois.edu/hortanswers/detailProblem.cfm?PathogenID=5: https://urbanext.illinois.edu/hortanswers/detailProblem.cfm?PathogenID=5

[4] https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm

[5] https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm

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