|
Concern
|
Cause
|
| Yellow patches on leaves |
Too much direct sun in summer. Leaf edges may turn
yellow and holes may appear. |
| Brown spots on leaves |
Cold water has been used for watering. Always use lukewarm water.
|
| Yellowing leaves |
Dry air. Too much sun. Not enough or too much watering.
Overfeeding. |
| Pale green leaves; leaf edges curled |
The plant has been chilled. The minimum temperature
should not fall below 60° F. |
| Limp leaves; center crown rot. |
Crown rot disease, caused by overwatering and a wide
change in temperature. This is a difficult disease to control. It
is infectious and the this procedure is to remove the infected plant
and destroy it. |
| No Flowers |
Many possible causes: insufficient light, especially
in winter; dry air; cold air; frequent re-potting; Moving the plant
to a new location can cause it not to bloom for a while. |
| Moldy leaves & flowers |
Botrylis or powdery mildew leaves. Too much misting
of leaves. Remove diseased parts. Spray with fungicide. |
| Insects |
Whitefly, mealy bug and cyclamen mite. |