How to Trim Lacebark Elm

1. Assess the Tree:

- Inspect the lacebark elm for overall health, dead or damaged branches, and any potential hazards.

2. Timing:

- The best time to prune lacebark elm is during the dormant season, usually late winter to early spring. Pruning at this time minimizes stress on the tree. Avoid pruning during active growth or extreme temperatures.

3. Pruning Tools:

- Make sure to use sharp and clean pruning tools to prevent tearing and minimize the potential for infections.

4. Dead and Diseased Branches:

- Start by removing dead, diseased, or damaged branches. Cut these branches back to their point of origin where they meet larger branches or the trunk.

5. Crossing and Rubbing Branches:

- Remove branches that cross or rub against each other to prevent damage and encourage proper airflow.

6. Thinning:

- Thin the tree's canopy to allow for better light penetration and circulation. Focus on removing weak, crowded, or inward-growing branches.

7. Shape:

- Lacebark elm can be trained into various shapes. If you want a rounded shape, prune the branches that extend beyond the desired outline. For a more vase shape, remove branches that create a dense center.

8. Pruning Technique:

- Use the "three-cut method" to avoid tearing the bark. Make a small undercut halfway through the branch about 6-8 inches away from the trunk, then make the second cut on the opposite side, removing the branch. Finally, make the third cut flush with the trunk or main branch.

9. Collar Cuts:

- Be cautious not to cut into the branch collar, which is the protective tissue at the base of the branch. Collar cuts can lead to decay.

10. Cleaning:

- Clean pruning tools after each use to prevent spreading diseases.

11. Mulch:

- Apply mulch around the base of the tree to help retain moisture and provide nutrients.

12. Avoid Over-Pruning:

- Lacebark elm doesn't require excessive pruning. Over-pruning can lead to stress, weak growth, and increased susceptibility to diseases.

13. Professional Assistance:

- If the lacebark elm is large or you are uncertain about pruning, consider hiring a certified arborist for accurate assessment and pruning services.

Remember, proper pruning techniques are essential for the long-term health and beauty of your lacebark elm. Consulting with a certified arborist or a gardening expert is recommended if you have any doubts or need additional guidance.