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Blue Oak | Medium Tree Seedling | The Jonsteen Company
Blue Oak | Medium Tree Seedling | The Jonsteen Company
Blue Oak | Medium Tree Seedling | The Jonsteen Company
Blue Oak | Medium Tree Seedling
Blue Oak | Medium Tree Seedling | The Jonsteen Company
Blue Oak | Medium Tree Seedling
Blue Oak | Medium Tree Seedling

Blue Oak | Medium Tree Seedling

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Quercus douglasii

  • Grow your own Blue Oak, the most drought tolerant of California's deciduous oaks!
  • 100% guaranteed
  • Seed-grown on California's Redwood Coast
  • Transplanting and care instructions included

Water Needs | The Jonsteen Company
Cold Hardiness | The Jonsteen Company Cold Hardiness
Light Needs | The Jonsteen Company Light
Full Sun / Partial Shade
Size | The Jonsteen Company Size
40 – 70' tall / 30 – 50' spread
Age | The Jonsteen Company Lifespan
400 yrs
Growth Rate | The Jonsteen Company Growth Rate
Fast Growing
Drought Tolerance | The Jonsteen Company Drought Tolerance
Windfirm | The Jonsteen Company Wind Resistance

About Blue Oak

The mystical Blue Oak 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 usually max-out closer to 50 feet tall. The trunk is typically 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 takes its name from the blue-green color of its shallowly-lobed, thick and waxy leaves.

Blue Oaks grow in a Mediterranean-like 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. The Blue Oak prefers drier sites and is extremely drought and heat tolerant — in fact, it is the most drought tolerant of all California's deciduous oaks. Generally, Blue Oaks live for several hundred years. The oldest known specimen, in Sequoia National Park, is about 400 years old. Historically, this species has been valued by Native Americans, who relied on Blue Oak for food, medicine, dyes, utensils, games, toys, basketry, and construction materials.

About Jonsteen's Seedlings

All of our trees are seed-grown at our nursery on California's Redwood Coast, which is inspected monthly and licensed by the California Department of Agriculture. 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!

About Jonsteen's 100% Guarantee

All of our trees are guaranteed to arrive healthy and in good condition. If your tree perishes despite your honest efforts, we will be happy to replace it with a small-sized seedling for just the cost of shipping/handling). You can learn more about our guarantee and tree replacement policy here.


Seedling Size Chart: Medium

Due to the dynamic nature of actively growing trees, as well as the tremendous variation between species’ growth rates, we rely on the cubic volume of a seedling’s root mass to determine its “size” (Small / Medium / Large / XL). Within each size there is minor variance — the dimensions provided here represent the category minimum. If exact measurements are essential, please contact us about current stock.

Seedling Size Chart | Medium | The Jonsteen Company