1: Avoid overwatering gardenias. Too much moisture can lead to root rot.

2: Ensure proper drainage in gardenia pots or beds to prevent waterlogging.

3: Avoid planting gardenias in direct sunlight. They prefer partial shade.

4: Do not over-fertilize gardenias. Use a balanced fertilizer sparingly.

5: Avoid pruning gardenias too late in the growing season. Prune in early spring.

6: Protect gardenias from harsh winds and extreme temperatures to prevent stress.

7: Avoid planting gardenias too close together. Provide adequate spacing for airflow.

8: Keep an eye out for pests like aphids and whiteflies. Treat early to prevent infestations.

9: Avoid using harsh chemicals on gardenias. Opt for organic pest control methods.