This will help you realize why the succulent grew larger. In order for your succulent to continue growing, you will likely need to salvage the healthier areas. The active growing season is the best time to apply fertilizer. The amount of fertilizer needed to grow a plant or pot will depend on its size. To stop the spread of these fungi, it is possible to use recommended chemicals. Aerial irrigation is also possible because the agave seed are large. Usually, frost impacts the Agave plant's root system, affecting its ability to recover and thrive after the summer rains arrive.