The gardener can take the following steps to help the plants grow better:
1. Change the soil: The gardener should remove the sticky soil from the flower pots and replace it with fresh, well-draining soil. This will help the excess water drain away and prevent the soil from becoming waterlogged.
2. Provide proper drainage: The gardener should ensure that the flower pots have proper drainage holes to allow excess water to drain away. If the pots do not have drainage holes, he can drill some holes in the bottom.
3. Water the plants correctly: The gardener should water the plants only when the soil is dry to the touch. Overwatering can lead to waterlogged soil and root rot, which can kill the plant.
4. Provide adequate sunlight: The gardener should ensure that the plants are receiving adequate sunlight. Most plants need at least 6 hours of sunlight per day to grow properly.
5. Fertilize the plants: The gardener can fertilize the plants with a balanced fertilizer to provide the necessary nutrients for growth. He should follow the instructions on the fertilizer package and avoid over-fertilizing, which can damage the plants.