Plant growing slowly
- Give plant food
- Reduce watering
- Re-pot in fresh soil or larger pot
- Look for pest in leaves or soil
- Check for damage to roots
- Allow for normal seasonal behaviour - dormant period
Wilting leaves
- Water the plant
- Check the quality of the soil
Mottled leaves
- Look for pests or virus infections
Brown leaf margins
- Reduce watering
- Move out of direct sunlight
- Change the position of the plant
- Reduce feeding
- Regulate room humidity (indoor plants)
Flower heads dropping
- Reduce watering
- Change the position of the plant (turn indoor or potted plants)
- Handle plant gently when moving it or brushing past when gardening
Leaves bruised or broken
- Change the location of the plant (physical damage)
- Avoid brushing past the plant (often cased by dogs and playing children)
- Sunburn (indoor plants moved outdoors)
Leaves falling
- Reduce watering
- Look for pests
- Change the type of feed used
Rotting in stems or leaves (soft/moist brown spots)
- Reduce watering
- Examine the leaves for botrytis
- Remove dead flower heads
Leaf colour pale
- Give plant food
- Insufficient light - put the plant in better light
- Change the position of the plant (turn indoor plants)
Small leaves/spindly growth
- Give the plant food
- Look for pests in leaves or soil (particularly red spider)
Yellow leaves
- Reduce watering
- Change the position (turn indoor plants)
- Look for pests
- Regulate humidity in the room (indoor plants)
- Allow for normal seasonal behaviour
Holes in leaves
- Look for pests in leaves and soil (caterpillars, snails, beetles and earwigs)
- Physical damage from hail