What is the Best Fertilizer for Chrysanthemums?

Chrysanthemums, or mums as they are commonly called, are a delightful addition to any garden, offering vibrant colors and long-lasting blooms. However, to ensure that your chrysanthemums thrive, it is essential to choose the right fertilizer. In this article, we will explore the best types of fertilizers for chrysanthemums and provide practical tips for their application.

Understanding the Needs of Chrysanthemums

Chrysanthemum plants are not real picky feeders, but they do require proper nutrition to maintain their health and vibrant appearance. Over-fertilization can be just as harmful as under-fertilization, leading to poor growth and even death. Therefore, it is crucial to strike the right balance when supplying nutrients to your chrysanthemums.

Organic Compost as a Natural Option

Any good compost is suitable for chrysanthemums, but it is best to use it sparingly. Aged organic compost, such as mushroom compost or composted manure, provides essential nutrients and improves soil structure. When planting mums in heavy clay soil, it is crucial to thoroughly mix 25 to 50 pounds of aged organic compost with 10 to 20 pounds of compost before adding native soil to the planting hole. This process helps to create a nutrient-rich environment that promotes healthy root growth and overall plant health.

Choosing the Right Synthetically Made Fertilizer

For those who prefer synthetic fertilizers, there are several options that work well for chrysanthemums. Neptune's Harvest Fish and Seaweed, for instance, are highly effective due to their rich nutrient content. The key is to stop applying any fertilizer once the buds start opening. Over-fertilization at this stage can lead to a loss of flower color. Instead, focus on proper watering and ensure that the soil remains moist, but not waterlogged.

Applying Fertilizers

When applying a complete dry fertilizer, such as 5-10-5, 5-10-10, or 5-20-20, use a rate of two to three pounds per 100 square feet of bed area. These balanced fertilizers provide a mix of essential nutrients, including nitrogen, phosphorus, and potassium, which are vital for the growth and flowering of chrysanthemums. Soluble fertilizers, such as 15-30-15 or 20-20-20, are also satisfactory if you prefer a more liquid form. It is important to follow the instructions on the label and not overapply, as this can lead to nutrient burn and harm the plants.

Key Takeaways

Compost, particularly aged organic compost, is a natural and effective choice for fertilizing chrysanthemums. Avoid over-fertilization, especially as the buds start to open, to prevent the loss of flower color. Choose a balanced dry fertilizer or soluble fertilizer based on your preferences and soil conditions.

By selecting the right fertilizer and applying it properly, you can ensure that your chrysanthemums flourish and provide a burst of color to your garden throughout the season. Happy gardening!