Port Orford Cedar (Lawsoniana)

The Port Orford Cedar (Lawsoniana) is generally described as a perennial tree. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The greatest bloom is usually observed in the mid spring, with fruit and seed production starting in the summer and continuing until fall. Leaves are retained year to year. The Port Orford Cedar (Lawsoniana) has a long life span relative to most other plant species and a moderate growth rate. At maturity, the typical Port Orford Cedar (Lawsoniana) will reach up to 150 feet high, with a maximum height at 20 years of 40 feet.

The Port Orford Cedar (Lawsoniana) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, cuttings, seed. It has a moderate ability to spread through seed production and the seedlings have low vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 2°F. has medium tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Moderate
General Type Tree
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Long
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Mid Spring
Displays Fall Colors No
Shape/Growth Form Single Stem
Drought Tolerance Medium
Shade Tolerance Tolerant
Height When Mature 150
Vegetative Spread None
Flower Color Blue
Flower Conspicuousness No
Fruit/Seed Abundance Low
Fruit/Seed Seasonality Summer Fall
Seed Spread Rate Moderate
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings, Seed
Moisture Requirements Medium
Cold Stratification Required Yes
Minimum Temperature 2
Soil Depth for Roots 60
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability Yes
Responds to Coppicing No
Growth Requirements
pH Range 4.2–7.5 pH
Precipitation Range 32–32 inches/yr
Planting Density 300–700 indiv./acre
Soil Textures Coarse, Fine, Medium
Soil Depth for Roots 60
Minimum Frost-Free Days 173 day(s)
Salinity Tolerance Low
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention Yes
Palatability High
Fire Resistant Yes
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA