With those considerations in mind, our top pick is Jobe’s Organics All-Purpose Granular Fertilizer. It’s fast-acting, easy to apply, and works on almost all plant types. Plus, it only requires ...

However, if they appear to be struggling (and you have ruled out pests and diseases), you can test the soil for nutrient ...

If using fertilizers, apply all-purpose fertilizers, such as a 10-10-10, at the rate of 2 to 3 pounds per 100 square feet and work it into the soil before planting the bulb. Another good ...