Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Ageratum > Stunted plant
Ageratum > Whole plant > Stunted plant
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Root Rot
Rhizoctonia solani and Pythium spp.
- Leaves yellow and wilt
- Plants are stunted
- The base of the stem may turn brown and crack
- Disease common in wet, poorly drained soil
- Lab analysis needed to determine which pathogen is causing the rot
- More information about Rhizoctonia root rot
- More information about Pythium root rot
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Aster Yellows
Phytoplasma
- Part or all of the leaves may turn yellow
- Flowers fail to develop, remain small green and may be distorted
- Clumps of weak shoots known as witches broom develop throughout the plant or on flower stalks
- More information on Aster Yellows
