Our Roots

Rooted in Trees

Sentinel Tree is located in Krestova, BC and provides service to Trail, Castlegar, Nelson, Slocan and surrounding areas. Sentinel Tree is owned and operated by Aaron Strickland.

Aaron has a B.Sc in Forestry, is an International Society of Arboriculture (ISA) Certified Arborist ON-1505A and has the ISA Tree Risk Assessment Qualification. He studied forest management in Prince George BC (UNBC), worked in the forest industry surrounding Golden BC, and has published a scientific paper on soil development in Yukon Territory. Aaron has also operated a successful tree care business in central Ontario.

​Aaron brings his passion for all things living and an unwavering commitment to protecting nature. You can rest assured knowing your trees are in good care: Aaron has been taking care of trees and the soil they grow in since 2009.

"I want to compliment you on a job WELL done. We were there yesterday and I am truly impressed that the area was immaculate. Many contractors leave a mess and you did not. Fantastic! We will be calling you for our work from now on!! Thank you very much!"

- G. Beath