Good To Know Blog
Rare Plant Seeds
Rare plant seeds are, well, rare. And this season has been particularly challenging in the rare plant seed hunting department.
Drip Irrigation Pointers
Operating and maintaining drip irrigation systems is not the most exciting aspect of Flagstaff gardening. However, their use is essential in keeping your garden flourishing,
Planting in June vs. Planting with Monsoons
If you’ve ever wondered what the secret to a successful, effortless garden is in Flagstaff, you heard it here: Plant with the monsoons!
Peak Penstemon Season: Between Spring Rains and Monsoon Dreams
Penstemons are having their moment in the sun.
How to Harvest Garlic This Time of Year
Late June and early July is garlic harvesting time. Nate shares his tips.
Snakes: Friend or Foe?
Along with cute and cuddly birds and bunnies, The Arb has a few other little critters slithering along our grounds and sunbathing this spring – garter snakes!
The Arboretum at Flagstaff is a charitable 501(C)(3) organization located in the Coconino National Forest in Flagstaff, Arizona. The Arboretum relies on contributions to support its hands-on and educational mission. Your tax deductible donation helps sustain this local treasure.
Thank You To Our 2025 Season Sponsors!
Click below to become a sponsor, if you have questions about sponsorship email: nate.omeara@thearb.org
Newsletter Sign-Up
Receive weekly updates and monthly news from the Arboretum.





