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Learn How to Prune like a Pro! Pruning 101

Pruning is a fun garden task but it can be daunting to get started with. For some people it is the gardening version of public speaking – terrifying! Fear the secateurs no more, my friends. We are breaking down pruning to the basics so that you have the skills to prune like a pro. Pruning 101 How to Prune Like a ProThis is the first in a series of articles I’m writing to help your plants thrive with supportive pruning. Be sure to sign up for blog updates or our weekly newsletter to get updates on the latest posts in this series. Here is what we have so far:

Reasons for Pruning

First, let’s start with reasons why you should prune and one big reason not to.

Good Reasons to Prune

  • To improve the health and vigor of plants
  • To encourage fruit and flower production
  • To modify shape, or direct growth
  • For safety reasons, for instance removing branches that could cause damage to structures and buildings and to avoid conflict with powerlines

Bad Reasons to Prune

To control the size or height of a plant. A better option is to thin a tree and help to shape it rather than topping a tree or fighting a plant when it’s trying to reach its mature size. See more in Supporting the Structure below.

Beautiful tree form (Pruning 101)

The Four Ds

The first rule of pruning is to follow the Four Ds. This means that you can safely prune anything on a plant that is dead, diseased, dying, or damaged. Even more, you SHOULD prune for the following reasons. Branches that fall into these categories are causing more stress to the plant left attached than if they are pruned off. Removing the Four Ds helps with the overall health of the plant. Even if removing those branches will look unsightly or unappealing, it’s better to prune them and allow the plant to repair without having to spend energy on healing.Branch structure (Pruning 101)

Supporting the Structure

Despite what many people do in their own gardens, trees never need to be topped. If you have a tree that is growing too large for the space it was allocated, then you have the wrong tree! The best course of action is to either consider replacing it or living with it. Topping a tree damages the overall shape of the tree, while encouraging the tree to send out a new leader to continue reaching its mature height. It also creates weak points in the tree which make it more susceptible to breakage.Please don't ever do this to a tree (pruning 101)

If you have a tree that is too large for the area that is planted you can always thin out the tree by removing some of the larger branches on the inside, creating a more airy and spacious look that may solve your problem. While this won’t affect the overall height of the tree, it could remove enough density that the tree fits into the allocated space better.

Follow the Lines

The most unappealing (and often pitiful) pruning is when a branch is cut to create a stub. Following the lines of the branches means noticing the natural flow and structure of the plant as it grows from the base or trunk and following that line out towards the end.Say no to stubs and more tips on pruning 101

There are two types of pruning cuts: heading cuts and thinning cuts. Heading involves cutting off part of branch to create a stronger branch and a larger number of smaller offshoots coming from that branch. Thinning removes a branch at its point of origin, which can be at the main trunk, a side branch, or even right to the ground.thinning vs heading cuts

Heading cuts stimulate new growth and thinning cuts prevent new growth.

If you’re looking to remove the branch but would like another branch to grow in its place, then cut the branch just above a bud. This bud will produce a new branch. If you want to remove the branch and not have regrowth, then cut the branch at the branch collar and do not leave any visible buds.Golden Fall Foliage (Pruning 101)


Obviously there are some exceptions to this rule like decorative, espalier, or fruit-tree pruning. Creating unnatural shapes in these circumstances can be done for aesthetics or to increase fruit production. A tree that has been pruned to take on an unnatural shape requires much more ongoing care and maintenance which I will write about in a subsequent article. For the majority of your home garden pruning needs, stick to the 4 Ds and aim for a natural shape and you have the tools to get started!

Garden Therapy Back Yard Play Garden Tour Espalier apple

Save the Trees

If you still aren’t convinced that supportive pruning is best for your garden and your trees, please head over to Plant Amnesty and read a host of brilliant and informative articles on pruning. I had the pleasure of meeting the late Cass Turnbull, Plant Amnesty President and Founder, at the Northwest Flower and Garden Show. I ended up giggling and fawning like a crazed fan because I whole-heartedly support their efforts to “end the senseless torture and mutilation of trees and shrubs.” Visit Plant Amnesty here.

For even more information on pruning, check out these posts:






  1. Some awesome tips. It’s always nice to come across an article on a subject you had been meaning to explore per chance. Love the insight. Great share

  2. What a great site !! Lots of good information, the drawings are excellent. I came here looking for input on suckers and learned more than I expected. Thank you for taking the time to put this site together. Madeleine

  3. What is the alternative to that picture to that stub labelled ‘No’? Is that not what heading looks like? Can you show what the right way would be?

  4. Learned so much from this blog! I’ve been one of those gardeners that hates to prune as I didn’t understand how to do it until now. I think of pruning as another way of doing Yard Art in your yard! I am currently developing a website for All Things Yard Art and will mention this site and blog in one of my blogs. Very good information to have. Thank you for providing it!

  5. I have been receiving your posts for a while now and you never disappoint. Your articles tell stories very thoroughly. Thank you for what you have presented to us. I believe you were meant to do this.


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