Artificial Christmas trees need a special construction in order to be suitable for installing outdoors. If you need a big artificial Christmas tree, this one, illustrated below can be a good option. It is available now at a heavily discounted price, but I don’t know for how long. I suppose it’s only until the stock is sold out.

16 Foot, Pre Lit Artificial Christmas Tree, Olympia Pine, Clear Full
Buy it now at this price: 5,597.00
Normal price: 8,647.00

Height - 16 Foot / Base Width - 8 Foot / Lights - 3,950 Clear Mini Lights, If one bulb burns out, the rest stay lit. / Description - The Olympia Pine Frame tree is a spectacular tree for commercial indoor or outdoor use. The lush needles are crush-resistant and the galvanized frame is weather-resistant. Larger rings can be added to grow in the future. / Usage - Indoor/Outdoor /

It can fit your backyard to, but maybe it’s too big for your needs.