the cambium collective

Trees grow stronger from the inside out ... and so do we. Cambium one of the layer beneath a tree’s bark - the place where growth begins and healing happens. Like this hidden strength, our monthly donors help TreesLouisville grow from the inside out.


The Cambium Collective is our community of monthly donors whose steady support helps TreesLouisville plant more trees, care for them long-term, and build a healthier urban forest for generations to come.


As a thank-you, members receive a few leafy perks:


  • Ask an Arborist – Submit your tree questions here and get expert answers from our ISA Certified Arborists.
  • In-Person Consultations (for members giving $100+ monthly) – Members are eligible for one on-site visit for personalized tree or yard advice.
  • 20% Off Online Merch – Enjoy exclusive discounts on TreesLouisville gear.
  • Recognition in Our Annual Report – Your name will appear as part of the community helping Louisville grow.


Whether you give $5 or $50 a month, your recurring support provides deep roots for our work, ensuring every tree we plant has a chance to thrive.

Join the Cambium Collective and grow with us.