Japanese Maple

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 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