How to Take Care of Purple Heart Plants | Hunker
Potted plants or those grown in poor or especially fastdraining soil may need a boost of nutrients during the active growing season to enhance their lush, violet foliage. Dissolve 1/2 teaspoon of generalpurpose, 151515 ratio fertilizer in 1 gallon of water. Apply the solution monthly and watch for pale or washed outlooking foliage, which is a sign of overfeeding. Reduce feeding to once ...