Fertilizers are composed of two main ingredients: nitrogen and phosphorous. Generally, they contain either one or both ingredients in order to stimulate plant growth.
If you are looking to get more blooms on your lantana, then fertilizer is the answer. Fertilizer will help to promote growth for your plants and flowers. You can purchase fertilizer at any home improvement store, but you may want to consider using organic fertilizer as it is more natural and will not have any harsh chemicals.
Lantana plants need to be fertilized with a balanced plant food every few months to get the most blooms possible.
You should fertilize Lantana Plants with an Organic Fertilizer (such as bone meal) Applying fertilizer in early fall before foliage develops is a great promoter of longer blooming periods.