Why You Should Prune Trees & Shrubs In Late Winter/Early Spring

Rated 4.5 Across 200+ Reviews



The Benefits Of Pruning Trees & Shrubs In The Right Season

Pruning can be done at any time of year, and it is always a good idea to remove damaged leaves and stems immediately. When talking about general tree and shrub care, however, late winter to early spring is widely regarded as the best time to prune. Pruning during this time of year offers numerous benefits that ensure the longevity of your landscape. Keep reading to learn more!

Dormancy Provides Optimal Pruning Conditions 

One of the most significant reasons late winter and early spring are the best times to prune is that most plants are still in a state of dormancy. During dormancy, trees and shrubs have slowed metabolic processes, and their growth is temporarily paused. This “resting” phase means that the stress caused by pruning is minimized, as the plant isn’t actively channeling energy into producing leaves, flowers, or fruit. 

Pruning at this time allows the plant to focus its energy on healing and regrowth when it wakes up in spring. When a tree or shrub is dormant, the absence of leaves provides a clear view of its structure. This makes it much easier to identify dead, damaged, or diseased branches that need to be removed. 

Below are the most important cuts to make when pruning dormant trees or shrubs: 

  • Pinching: Remove buds by simply pinching them off branches to encourage lateral branch growth.
  • Heading: Remove buds by cutting a branch at an angle, ¼ of an inch above the branch bud, until only outward-facing buds are left for attractive and even growth. 
  • Thinning: Remove branches by cutting them just outside of the branch collar, but leave the terminal bud intact for more free growth that does not affect the size or shape of the bush.

Reduced Risks Of Disease & Pests

Pruning wounds create openings in a plant’s bark, which can act as entry points for pests and pathogens. However, during late winter and early spring, the risk of disease transmission and pest infestations is significantly lower. Many disease-causing fungi, bacteria, and insects are inactive during cold weather, which means your freshly pruned plants are less likely to encounter these threats.

For example, pruning in the middle of summer or early fall can attract sap-feeding insects like beetles, as well as the development of fungal spores that lead to diseases. Similarly, warm and humid conditions can encourage the spread of fungal infections through pruning wounds, which is why it is so important to ensure that you make proper cuts and keep tools sharp. 

  • Pro Pruning Tip! Keeping pruning tools clean and sharp is the best thing you can do for your plants. Fungi and bacteria attach themselves to the tools, and pruning with a dull blade damages plants and makes them more susceptible to disease. Keep sheers clean and sharp at all times! 

Promotes Strong Spring Growth

Pruning in late winter and early spring primes your trees and shrubs for a burst of growth when the growing season begins. Removing dead or weak branches allows the plant to redirect its energy toward developing strong, healthy shoots and foliage. This targeted energy use can lead to fuller canopies, more vibrant blooms, and higher success rates for flowering and fruit-bearing plants.

Think of it as giving your plants a head start. When you prune during dormancy, the plant is ready to heal and grow as soon as temperatures rise and sunlight increases. The cuts you make will stimulate new growth from buds near the pruning site, ensuring that the plant develops a balanced and attractive shape. This proactive approach helps prevent the plant from wasting energy on parts that would have been removed later.

Better Flowering & Fruiting

For many flowering and fruit-bearing plants, pruning in late winter or early spring can enhance their performance in the upcoming growing season. Removing old, unproductive growth encourages the plant to channel its energy into producing new, vigorous shoots that are more likely to bear flowers and fruit. Cutting back dead or damaged wood and thinning out overcrowded branches increases air circulation and sunlight penetration, which are crucial for healthy flower and fruit production. 

Below are some of the most common flowering and fruit-bearing shrubs that are helped by early-season pruning: 

  • Roses
  • Hydrangeas
  • Lilacs
  • Ninebark
  • Barberry
  • Elderberry

Improved Plant Structure & Safety

Another key advantage of late winter or early spring pruning is the opportunity to improve the structural integrity of your trees and shrubs. Removing weak, crossing, or poorly attached branches reduces the risk of breakage during storms or high winds. This is especially important for trees in urban or suburban settings, where falling branches can pose safety hazards to people, property, and power lines.

Pruning also helps young trees develop a strong framework that will support their growth for years to come. Shaping the tree when it’s still young can help guide its growth to prevent future structural problems, such as narrow branch angles or overcrowded canopies. Late winter pruning ensures that your structural adjustments take effect just as the tree starts its growth cycle, leading to long-term stability and strength.

Easier Cleanup 

Pruning during late winter or early spring comes with practical benefits as well. With most deciduous trees and shrubs still bare, you have a clear view of their structure, making it easier to identify areas that need attention. You won’t have to navigate dense foliage or worry about accidentally removing healthy branches.

Cleanup is much simpler during this time. Without leaves cluttering the ground, you can quickly gather and dispose of branches and debris. This streamlined process saves time and effort, allowing you to focus on other spring gardening tasks once the weather warms up.

Avoiding The Hazards Of Late-Season Pruning

Pruning at the wrong time of year can have unintended consequences for your plants. For instance, pruning in late summer or early fall can stimulate new growth just before winter, leaving the plant vulnerable to frost damage. Similarly, pruning in late spring or early summer can remove buds that would have developed into flowers or fruit, reducing the plant’s aesthetic and productive value.

Pruning in late winter or early spring ensures that you’re avoiding these pitfalls and giving your plants the best chance to thrive. This timing aligns with their natural growth cycle, ensuring that they can recover quickly and perform at their best throughout the growing season.

When To Make Exceptions

Even though late winter and early spring are ideal for most plants, there are exceptions to this rule. Some trees and shrubs tend to bleed sap when pruned in late winter. While this bleeding isn’t harmful to the plant, it can be unsightly and messy. In these cases, it may be better to prune in late spring or early summer, once the sap flow has diminished.

It’s also important to remember that some flowering shrubs set their buds on old wood. Pruning these plants in late winter will remove the buds and reduce flowering. For these species, it’s best to prune immediately after they finish blooming.

Below are some plants you may need to monitor to determine if pruning should be done later in the season:

  • Maples
  • Birches
  • Dogwoods
  • Azaleas
  • Rhododendrons
  • Forsythias 

Professional Tree & Shrub Care In Arizona

Pruning your trees and shrubs can be a time consuming task, especially if you have a larger property with many landscaping features. However, it is still important to pay close attention to the details to ensure that all damaged plant matter is removed and your shrubs can grow freely. 

If you are looking to save yourself the time and effort it takes to prune properly, call in the professionals like us Little John’s in Gilbert, AZ! Get a free quote on our pruning and other landscaping services today!