Question

why do we have green house in botanical gardens?
answer fast.
if the answer will be correct I will mark as brainlist​

Answer 1

botanical garden will be having so many green plants and by this reason we can see green house to protect the environment

Answer 2

Botanical gardens contain different types of plants and trees and most of the plants and trees are harvested in botanical garden itself.

And we all know that green houses are best and easiest way to harvest different plants in any climatic condition.

That's why most of the botanical gardens contain green house chambers for mainly harvesting purposes.