Douglas firs (Pseudotsuga)

Douglas firs

Also known as: Oregon pines

Douglas firs are a group of coniferous trees that are both majestic and useful to humans. Many species grow to enormous sizes and are of great importance to the timber industry. The wood is used for all sorts of construction purposes, while immature trees of this genus are popular as Christmas trees. The U.S. state of Oregon has a douglas firs on the state flag.

Scientific classification

Genus

Douglas firs (Pseudotsuga)

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Evergreen

Leaf type

5 - 32 ℃

Ideal Temperature

Images of Douglas firs

Species

Common douglas-fir Big-cone douglas-fir Chinese douglas-fir Douglas-fir Rocky mountain douglas-fir

Care Guide for Douglas firs

Every 1-2 weeks

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Douglas firs, native to wet forests, prefers consistent moisture and shows moderate drought resistance. Watering should occur every 1-2 weeks, balancing hydration and drainage. As an evergreen, douglas firs's water needs fluctuate with needle retention, necessitating careful soil moisture management for optimal health.

Propagation: Douglas firs propagates primarily through seed sowing, requiring cold stratification for enhanced germination. Use well-draining, slightly acidic soil and maintain consistent moisture. Steps: collect cones, stratify seeds at 1-2 months (34°F), sow, lightly cover, ensure moisture, and provide indirect light while avoiding extremes.

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Learn More About Douglas firs

How to Grow and Care

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