Sheffield's Seed Company Page

Discover the ancient charm of Quercus palmeri, commonly known as Palmer's Oak, Dunn Oak or Desert Oak. This resilient species thrives in the dry canyons and rugged mountain slopes of California, Baja California, and Arizona's Mogollon Rim. Growing between 6-20 ft in height, Quercus palmeri elegantly straddles the line between shrub and tree. Admire its striking angular twigs and reddish-brown branches, adorned with stiff, leathery leaves, distinguished by their wavy edges and sharp spine-teeth. The leaves, a captivating olive green with a shiny, waxy finish on top, are gray-green underneath, dotted with glandular hairs. Palmer's Oak produces acorns, each featuring a hairy cap and a blunt-ended nut. These acorns measure up to 1 inch wide, accentuating the tree's distinctive presence.

Renowned for its unusual clonal growth, Quercus palmeri often forms small populations, characteristically uniform due to their single-plant origin. The legendary Jurupa Oak in California showcases this, with its roots tracing back over 13,000 years, making it one of the oldest living plants in existence—a true relic from the Pleistocene era. Explore this botanical wonder, offering both ecological value and a timeless testament to nature's endurance.