Quercus douglasii - Hardwood

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Growing Info

Scarification: Soak in water, let stand in water for 24 hours

Stratification: cold stratify for 60 days , or until radicle emergence

Germination: sow 1-2" deep, tamp the soil, mulch the seed bed

Other: fall sowing in mulched beds is prefered to artificial stratification

Quercus douglasiiQuercus douglasii

Blue Oak

Recalcitrant seeds need refrigeration. Since shipping times are out of our control, we are not liable for seed condition upon arrival.

In Stock: 8.205 lb (Total:8.205lb)

Orders of this lot will receive 25% additional seed at no extra cost, while supplies last. Some are Ready to plant (Radicles emerging)

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8.21 lb CA

Orders of this lot will receive 25% additional seed at no extra cost, while supplies last. Some are Ready to plant (Radicles emerging)

Details

Germination:

91%

Germination test:

Cut (Full Seed)

Purity:

99%

Seeds per lb:

Quantity:

8.21 lb

Collected in:

California

Crop year:

2024

Min. hardiness zone:

Item ID:

1835401

Characteristics

No Export to These Countries

New Zealand

Growing Info

Scarification: Soak in water, let stand in water for 24 hours

Stratification: cold stratify for 60 days , or until radicle emergence

Germination: sow 1-2" deep, tamp the soil, mulch the seed bed

Other: fall sowing in mulched beds is prefered to artificial stratification

The Quercus douglasii Blue Oak is a unique oak tree only found in California. It is endemic to the foothills surrounding the Central Valley of California and certain locations in the California Coast Ranges. Individual trees over 500 years old have been recorded making it one of the oldest trees in the area. Recent research has found several unlogged stands of Blue Oak woodlands, suggesting there may be over 500,000 acres of such old growth forests in California. The name Blue Oak derives from the dark blue-green tint of its leaves, which are deciduous, 4–10 cm long and entire or shallowly lobed. Quercus douglasii prefers dry soil and plenty of sunlight, making it the most drought-tolerant of California's deciduous oaks. It also serves as an essential component of mixed oak forests and savanna, which support a diversity of ecological biodiversity within the California Floristic Province.