Pseudotsuga menziesii
TAXONOMY
FamilyPinaceae
GenusPseudotsuga
Zone4
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Plants of the World OnlineABOUT
Pseudotsuga menziesii, commonly known as Douglas fir, is a species of evergreen conifer native to western North America. It is a large tree, reaching heights of up to 100 meters in its native habitat. The tree is known for its distinctive cones and soft, flat needles. It prefers temperate climates and is commonly found in mountainous regions.
ALSO KNOWN AS
Douglas Fir
Abies californica
Abies douglasii var. fastigiata
Abies douglasii var. pendula
Abies douglasii var. taxifolia
Abies menziesii
Abies taxifolia
Abies taxifolia var. pendula
Abietia douglasii var. fastigiata
Abietia douglasii var. pendula
Pinus douglasii var. brevibracteata
Pinus douglasii var. pendula
Pinus douglasii var. taxifolia
Pinus taxifolia
Pseudotsuga douglasii f. compacta
Pseudotsuga douglasii f. globosa
Pseudotsuga douglasii f. pendula
Pseudotsuga douglasii var. laeta
Pseudotsuga douglasii var. viminalis
Pseudotsuga mucronata
Pseudotsuga mucronata var. elongata
Pseudotsuga mucronata var. palustris
Pseudotsuga taxifolia f. compacta
Pseudotsuga taxifolia f. fastigiata
Pseudotsuga taxifolia f. globosa
Pseudotsuga taxifolia f. pendula
Pseudotsuga taxifolia subsp. mucronata
Pseudotsuga taxifolia subsp. viridis
Pseudotsuga taxifolia var. brevibracteata
Pseudotsuga taxifolia var. pendula
Pseudotsuga taxifolia var. viminalis
Pseudotsuga taxifolia var. viridis
Tsuga douglasii var. fastigiata
Tsuga douglasii var. pendula
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature15° C
Humidity60%
Dormancy3 Months
pH5.5
Pressure1,013 mbar
DETAILS
Care Instructions
Douglas firs require bright, direct sunlight and moderate temperatures to thrive. They prefer environments with moderate humidity and should be watered when the soil is almost completely dry. These trees are best suited for outdoor growth in temperate climates.Soil
Douglas firs prefer well-draining loamy soil that is slightly acidic. The soil should be kept moderately moist but not waterlogged. Good drainage is essential to prevent root rot.Fertilizer
Douglas firs generally do not require additional fertilization if planted in nutrient-rich soil. If necessary, a balanced, slow-release fertilizer can be applied in early spring.Repotting
Douglas firs are not typically repotted as they are large trees meant for outdoor planting. If grown in a container during the early stages, they should be transplanted to their permanent outdoor location as soon as they outgrow the container.Propagation
Douglas firs can be propagated from seeds. Collect seeds from mature cones in the fall, stratify them by storing in a cold, moist environment for several weeks, and then plant them in well-draining soil. Seedlings should be transplanted outdoors once they are strong enough.Pruning
Pruning is necessary to maintain the shape and health of the Douglas fir. Prune dead or diseased branches in late winter or early spring before new growth begins. Avoid heavy pruning as it can stress the tree.Toxicity
Douglas firs are not toxic to pets or humans. However, the needles and sap can cause minor skin irritation in some individuals.Additional
Douglas firs are highly valued for their timber and are commonly used as Christmas trees. They are also important for wildlife, providing habitat and food for various species.REVOLUTIONIZE YOUR PLANT CARE
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