Spirea > Stems/branches > Dead branches or branch dieback
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- Leaves on one to several branches turn red to yellow, wilt, die and fall off
- Dark olive to gray streaks are often visible in the sapwood if the bark is peeled back
- Symptoms may appear in several branches or in the entire shrub
- Symptoms are often most obvious in late summer and autumn but can occur throughout the growing season
- More information on verticillium wilt...