Proper t care mainly involves regular watering, suitable sunlight, and occasional feeding. Keep the soil evenly moist, particularly during warm weather, but avoid overwatering. Apply a balanced, water-soluble fertilizer according to the product instructions during the growing season to support healthy foliage and flowers. Many compact varieties benefit from trimming or cutting back when flowering slows or plants become leggy. Remove damaged growth when needed and provide good air circulation to reduce the risk of fungal problems. In hot weather, moving container-grown lobelia to partial shade can help it recover.