As per Hinduism, broom should not be donated. These are the reason why broom should not be donated.
There will be financial trouble if you donate broom. Broom is associated with Goddess Lakshmi. Therefore giving room is like give away your financial luck.
Broom should be kept out of sight in the house. It should not be used after sunset.
Charity and donation is of great importance in Hinduism. But one should not perform charity without giving a proper thought.
Donation performed with selfish motives will cause more harm than good.
After performing donation one should not bother about the donated item and the result associated with it.