Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Euonymus > Leaves discolored white, yellow or pale green
Euonymus > Leaves > Leaves discolored white, yellow or pale green
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Two-spotted spider mite
Tetranychus urticae
- White to yellow stippling on foliage
- Heavy infestations will cause leaves to turn white, yellow and ultimately grayish bronze; premature leaf drop may occur
- Webbing may be present
- Mites usually appear in late June to August; they are more prevalent in hot, dry weather
- Adult spider mites are small (approximately 1/50 inch long) and are hard to see; they are yellow to dark red with dark spots (need magnification to see)
- More information on Two-spotted spider mite
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Powdery mildew
Oidium euonymi-japonici
- White to gray fungal growth on upper leaf surface; may form a thick felt
- Leaves may yellow and drop prematurely
- Young shoots may be curled and twisted
- Entire shrub may appear gray or discolored
- More information on Powdery mildew
