Its wood isn't it
yes you can burn cactuse
yes
Yes, mimosa trees will grow in desert climates with sufficient water.
No, mimosa trees do not need or requite a lot of water. The only time they should be watered manually is if there are dry periods.
Mimosa refers to any of various shrubs or trees of the genus Mimosa; these are tropical plants with compound leaves, which generally have yellow flowers.
While you can burn most woods, I would pass on the arborvitae. As an evergreen, you will get a LOT of creosote, fast burning, short lasting fires. It also contains a toxin believed to be a hallucinogen. A small amount used as kindling may not be a problem.
flowers
no
Yes it can
120-130 years ('_')
Check with Martin for an owner's manual. Unless a fireplace is specifically rated as multi-fuel, a gas fireplace cannot safely burn wood.
No, it is not safe to burn. It is toxic.