The mystical Blue Oak (Quercus douglasii) is a medium-size, deciduous tree endemic to California, where it grows mainly in the foothills of the central part of the state. Blue Oaks feature a rounded, somewhat irregular crown, and can grow to heights of up to 70 feet tall, but are typically closer to 50 feet tall. The trunk is usually singular, and seldom more than 2 feet in diameter. The bark is thin and flaky. The canopy is compact, round, and supported by many crooked branches. Quercus douglasii gets its name from the blue-green color of its shallowly-lobed, thick and waxy leaves.
Blue Oaks grow in a Mediterranean climate, with hot, dry summers and cool, wet winters. In summer, midday temperatures in Blue Oak woodlands can exceed 100°F (38 °C) for weeks at a time. Blue Oak prefers drier sites and is extremely drought and heat tolerant — it is the most drought tolerant of California’s deciduous oaks. Generally, Blue Oaks live for several hundred years. The oldest known Blue Oak, in Sequoia National Park, is about 400 years old. Historically, this species has been highly valued by Native American peoples who relied on the tree for food, medicine, dyes, utensils, games, toys, basketry, and construction materials.
About Jonsteen’s Seedlings: All of our trees are seed-grown — without poison or pesticides — at our nursery on California’s Redwood Coast, which is inspected monthly and licensed by the California Department of Agriculture.
About Jonsteen’s 100% Guarantee: All of our trees are guaranteed to arrive healthy and in good condition. If your tree perishes, we will replace it with a small-sized seedling for just the cost of shipping/handling ($4.60). We encourage all customers experiencing difficulties growing their trees to contact us through our toll-free “Tree Help Line” (1-888-387-3379).
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Grow your own Blue Oak (Quercus douglasii), the most drought tolerant of California’s deciduous oaks!
100% guaranteed: If your seedling perishes, we are happy to provide a replacement small-sized seedling for just the cost of shipping/handling ($4.60)
Seed-grown without poison or pesticides at our nursery on California’s Redwood Coast
Transplanting and care instructions included
Trees can provide a natural barrier against high winds, temperatures, noise pollution and soil erosion, all while benefiting local air quality, wildlife and property values — a Jonsteen seedling will only grow in value and beauty!