
Tree trimming and pruning in Boulder
Good pruning keeps trees healthy and safe: removing dead or crossing branches, raising the canopy and thinning for light and wind. Bad pruning, like topping, weakens trees for years.
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What goes into the quote
- Number and size of trees
- Access and how high the work is
- Type of pruning needed
- Cleanup and haul-away
How long: Usually a few hours per tree.
Rough ranges for guidance, not quotes. Your contractor's quote is what counts.
Get a real quoteGood to know in Boulder
Boulder sees strong chinook winds, spring hail and quick swings between warm days and freezing nights.
Any planting, pruning or removal of a tree in Boulder's public street right-of-way needs authorization from Boulder Forestry first.
Emerald ash borer was found in Boulder in 2013, the first in Colorado, and it kills untreated ash trees. If you have an ash, have it checked and decide on treatment or removal before it turns brittle.
Common questions
When is the best time to prune?
Late winter, while trees are dormant, suits most species. Dead or dangerous branches can come off any time.
Should my tree be topped?
No. Topping causes weak regrowth and decay. A certified arborist will recommend proper reduction cuts instead.
Is stump grinding included in removal?
Not always. Ask whether the quote includes grinding and hauling away the wood.

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