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Fir Douglas

Pseudotsuga menziesii

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A magnificent tall conifer native to western North America, reaching 100–300 feet in its natural range and widely cultivated worldwide. Douglas Fir features soft, flat needles, distinctive three-pointed bracts on cones, and exceptional straight grain wood used for timber. Highly valued as a Christmas tree and ornamental, though it requires adequate moisture and cool growing conditions.

Fir Douglas

Common Problems

Select the problem your Fir Douglas is experiencing to get a treatment guide.

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Brown Tipschevron_right
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Underwateringchevron_right
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Slow Growthchevron_right

Care Guide

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Light
Full sun; requires 6+ hours of direct sunlight; tolerates light shade in very hot climates
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Water
Moderate to high water needs; prefers consistent moisture during growing season. Drought sensitive when young
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Soil
Well-drained, fertile soil rich in organic matter; slightly acidic to neutral pH preferred. Avoid waterlogged conditions
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Fertiliser
Minimal fertilizer needed; apply balanced formula in spring if soil is poor. Excessive nitrogen reduces cold hardiness
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Temperature
Very hardy to –40°F (–40°C); prefers cool summers; struggles in hot, humid climates (zones 9+)
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Humidity
Moderate to high humidity; susceptible to needle browning in very dry climates

Toxicity

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Non-toxic; foliage is generally not consumed by humans, but poses no toxicity risk

Common Diseases

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Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.

Fir Douglas Care Guide — Pseudotsuga menziesii | GreenScout