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Palo Verde – Excessive Desert Timber

palo verde, arizona state tree
Palo Verde

Why Plant A Palo Verde?

Palo verde timber are very nicely tailored to the Mojave desert. Not solely are they native to the deserts of the south west, however they thrive in compacted soils that we now have in our city communities. They’re extraordinarily drought tolerant, flower profusely via the summer season, and provides 12 months lengthy curiosity with their inexperienced trunks that present forth after leaf fall. Additionally they have a low upkeep price for many of the lifetime of the tree after institution.

Varieties and Cultivars

Blue Palo VerdeParkinsonia florida – upright development behavior, broad spreading crown, as much as 30′ tall
Foothills Palo Verde (Little Leaf Palo Verde)Parkinsonia microphylla – shrubbier, slower rising, and as much as 20′ tall, has thorns
Sonoran Palo Verde (Palo Brea)Parkinsonia praecox – easy blue-green bark, fewer low branches, as much as 35′ tall
Mexican Palo VerdeParkinsonia aculeata – speedy development fee, as much as 30′ tall, thorns
Desert Museum Palo VerdeParkinsonia x ‘Desert Museum’ – Hybrid of Blue, Foothills, and Mexican. Little no to seed pods, no thorns, quick development fee (with longer lifespan)

Most nurseries will carry the both the Mexican or Desert Museum palo verdes. The others are extra uncommon to return throughout within the common nursery business and also you may need to hunt out a local plant nursery to search out them. The Desert Museum palo verdes are far more costly than the others as a result of it having the entire fascinating traits and being tougher to propagate. Cuttings have a low success fee until you observe a really particular routine with them, and you can not develop them from seed as a result of they don’t come true via seed. Air-layering is a standard methodology of propagation.

Complaints About The Palo Verde

  • Seed pods are “messy” and a few discover them “unpleasant” (Desert Museum Palo Verde timber have little to no seed pods)
  • A number of varieties have thorns
  • They will die the primary 12 months or two after planting if subjected to a chilly winter and/or are usually not protected
  • Very small leaves can settle into the gravel or rock in your panorama

Misinformation About Palo Verdes?

One of many least understood issues about palo verde timber is that they do not do nicely if the primary 12 months or two after being planted has a chilly winter. I regularly come throughout clients that had theirs die over the winter, and this is because of a number of issues:

  • Chilly tolerance goes up as branches and trunks get thicker
  • Planting disturbs/interrupts the continual sugar and starch manufacturing and this decreases chilly tolerance
  • An early chilly snap or pruning too early in early fall / late summer season additionally decreases chilly hardiness
  • Final the tree will not be settled in to it’s everlasting location. What this does to chilly tolerance might be understood by imagining tenting and sleeping with a blanket vs a sleeping bag. I don’t want to elucidate that a lot if you happen to’ve been tenting, however you’re skill to remain heat is severely restricted with a blanket versus a sleeping bag.

Rising from seed eliminates a couple of of the problems, however lack of trunk and department girth nonetheless leaves you with a small inclined tree.

So all that mentioned, I usually advocate both planting a small tree (tougher to return by), or to guard them the primary winter or possibly even first two if potential. They turn out to be fantastic timber which are hardy, however they want time to ascertain earlier than they’re extra carefree.

Proper Tree, Proper Place

To keep away from issues of various levels, it is suggested these timber are NOT planted within the following locations:

  • Beneath energy or utility traces
  • Inside 10′ of your own home
  • Inside 20′ of your septic tank


Palo verde timber don’t appear to be poisonous to something that I’ve discovered primarily based on the next hyperlinks and data:



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