The lower leaves of your succulents will begin to dry out over time and eventually die. The water that you use for Kalanchoe can affect how healthy and strong your plant will become. You might be the type of gardener who prefers slow-release fertilizer pellets over liquid plant food. Dracaenas do not require any fertilization. They can spread diseases and rot to other plants. This can take away from their vibrant colors, affecting their aesthetic appeal, and may even encourage pests or diseases to grow.