In May it is time to plant our gardens and flowers. On the front range of Colorado our average last day of frost is around May 15th.
Now is a good time to prune your fruit trees. There are no leaves in the way to hamper your view and not a lot of other garden tasks to do, so you can take your time.
This month is the time to cut back ornamental grasses so new growth stands out and looks its best. In nature, the old growth on grass plants is browsed upon by animals, packed down by snowfall or disposed of by wildfire.
Mugho pines are a popular evergreen shrub that is used in small areas. Most of their growth occurs in late April and early May in our climate.