[header] How to trim evergreen bushes [title] Prune in the spring. [step] The best time of year to trim evergreen bushes is before new growth occurs. Early spring is usually most convenient, but you can also trim the bushes in late winter if it's not too cold for working outside. 
[title] Choose hand pruners instead of larger shears. [step] Some people are tempted to use large shears to trim evergreens, but this does not usually lead to the best results.