Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Coleus > Wilted leaves
Coleus > Leaves > Wilted leaves
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Root rot
Rhizoctonia solani and Pythium spp.
- Leaves turn yellow and wilt
- Plants are stunted
- The base of the stem may turn brown and crack
- Roots have brown sunken areas and lack root hairs
- Disease favors cool, wet soil with poor drainage
- The outer root tissue may be easily removed leaving behind thin, stringy root cores
- More information on Rhizoctonia root rot
- More information on Pythium root rot
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Impatiens Necrotic Spot Virus (INSV)
- Symptoms are extremely variable
- Stunted growth and wilting may occur
- Leaf distortion; ringspots or black spots on leaves and stems; blackish/purplish coloration along leaf veins
- Tip dieback and in some cases entire plant will collapse
- Lab test needed to identify INSV since it is difficult to diagnose on symptoms alone
- More information on INSV
