When do bees become active in the spring?

There is a hive in a tree that I need to have trimmed before the bees become active.When do bees become active in the spring?
In the springtime. For about ten months out of the year, the bee does nothing but sit fully fed as a larva in the ground. It's active for, at most, two months. Partly as an adult and partly as a feeding, immature stage, but for the rest of the year it's hibernating and estivating. Estivating meaning spending the dry part of the year doing nothing.';





Go to the site under sources. It's rather interesting.When do bees become active in the spring?
as soon as the flowers are out, they can't live without them.
when the flowors bloom
Bees are active all year long in one fashion or another. If you mean when will you see them active outside, usually when the outside tempurature is above 50F.