Prune, Plant, Prosper: An Erie Arborist’s Guide to Winter Pruning and Spring Planting

Erie is a city that celebrates its agricultural roots and green spaces. From backyard orchards to community gardens, pome trees—like apples and pears—are a beloved staple. But in Colorado’s unpredictable climate, timing is everything. For our local arborists, two seasonal practices stand out as essential: winter pruning and spring planting

Winter Pruning: Sculpting for Strength and Yield

Winter pruning, performed during the tree’s dormant phase (typically late December through early March), is one of the most effective interventions for shaping and sustaining pome trees. Dormancy offers a unique window where biological activity slows, allowing arborists to make impactful structural changes with minimal stress to the tree.

Key benefits include:

  • Removing dead, diseased, or crossing branches
  • Improving airflow and light penetration
  • Shaping strong scaffold limbs
  • Controlling tree size for easier harvest and maintenance                                                                                                                                                               

Spring Planting: Colorado’s Sweet Spot

While some regions favor fall planting, we at Monster Tree Service find the Front Range climate makes spring the safer bet. Snowmelt boosts soil moisture, and planting after the last frost (often mid-May) protects young trees from cold damage.

Benefits of spring planting:

  • Full growing season for root establishment
  • Avoid deep freezes/Reduced frost risk
  • Better adaptation to summer heat and wind
  • Snowmelt provides spring moisture to support root growth

Local tips:

  • Soil Prep: Longmont’s clay-heavy soils benefit from compost and aeration before planting.
  • Front Range Winds: Stake young trees securely to prevent wind damage.
  • Water Wisely: Spring rains help, but supplemental watering year-round is crucial.
  • Avoid over-pruning: Can trigger excessive vegetative growth. The goal is balance—invigorate without overwhelming.

Common pome trees along the Front Range: Apple, Crabapple, Pear, Hawthorne, Serviceberry, Mountain Ash

The Local Rhythm                                                                                                                                     

For our arborists, this seasonal rhythm is more than a best practice—it’s a blueprint for success. Winter pruning shapes the tree’s future, while spring planting sets the roots for resilience.

Whether you're managing a heritage orchard on the outskirts of town or nurturing a single apple tree in your backyard, these practices are your ticket to a healthier, more productive growing season.