Thank you all of you for your consideration and answers

I would choose maple trees, simply because of the aesthetic beauty of their leaves.

I vote for poplar trees because of their majestic grandeur and permanence.

I would keep the Fraser firs. These are the thick Christmas trees.

Elaeis guineensis （Palm trees） because it plays various roles （medicinal, food, spiritual, decoration etc.）

i will choose Panax ginseng

I can choose pumpkin

I choose water!!.

Thank you all of you for your consideration and answers

I would choose Azadirachta indica (Neem) because of its multiple uses such as fodder, fuel, timber, medicine, bio-pesticide, shade, ornamentation etc.

I would choose date palm trees.

Also I support the idea of Dr. Arvind. Neem is very good and has multiple uses.