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Japanese Maple

Japanese maple trees tend to perform and adapt well in Pennsylvania’s climate. These trees are easily maintained and cared for and enhance your landscaping with their beautiful, striking appearance. These trees offer several varieties of leaf shades. Colors may range from cream, pink, dark purple, reddish-purple, and vibrant shades of red.

Dead Leaf Spots

Japanese maple dead leaf spots are often caused by:

  • Summer Scorch


Japanese maple decay/cankers/galls are often caused by:

  • Sun/Winter Scald


Japanese maple defoliation is often caused by:

  • Bagworms


Japanese maple dieback/flagging is often caused by:

  • Sun/Winter Scald
  • Japanese Scale
  • Phytophthora Rot

Moldy Leaves

Moldy leaves on Japanese Maple are often caused by:

  • Aphids


Japanese maple sawdust/holes are often caused by:

  • Ambrosia Beetle
  • Borers (General)

Bark holes and sawdust on a Japanese maple tree’s footing are likely indicative of borer infestation. Borers will drill into the tree and tunnel beneath the bark, feeding on the inside of the tree and eventually leaving tiny holes with sawdust coming out once the insects mature.


Japanese maple wilting is often caused by:

  • Japanese Scale


Japanese maple yellowing/browning is often caused by:

  • Bagworm
  • Japanese Scale
  • Phytophthora Rot

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