Fall is one of the three times of year you fertilize. When plants are ready to wake up in spring, you surprise them with a brunch of nitrogen-rich plant food to help them grow; in summer, you give them boosts of phosphorus and potassium to give them a brain food they need to make vegetables, flowers, and fruit. And in…
Source: LifeHacker – How to Choose the Best Fall Fertilizer for Anything in Your Garden