- Leaf tips turn brown and lower leaves turn yellow and drop off: Over-watering is the culprit. Allow the soil to dry and water less often.
- Leaf tips turn yellow, then brown before drying: Under-watering--soak pot in water, then water more frequently.
- Leaves look faded and are streaked with yellow or brown mottling: Too much light--move plant to less intense light.
- New growth is elongated, pale and undersized: Not enough light--move to stronger light.
- Leaves become yellowish, but veins are green. Lower leaves drop off and new growth is weak: Under fertilization--start a schedule of fertilizing.
- The plant puts on new growth rapidly but the stems are weak and streaked: Over fertilization--flush the buildup of fertilizer out of the soil by watering the plant several times in a few hours.
- Leaf edges curl under and dry out: Too high a temperature in the room--move to a cooker spot.
- White cottony growth appears in crevices between the leaves and stems: Mealybugs--dab each bug with rubbing alcohol.
- Stems and leaves get tiny brown "warts": Scale--gently scrape the scale off with a knife or fingernail.
- Leaves get a mottled dusty look. Eventually there are webs on the branches: Spider mites--rinse foliage thoroughly with a lukewarm shower. repeat each week, if necessary.
Monday, September 24, 2012
Rx for Houseplants
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