Photo of Chamaecyparis lawsoniana fruit by Wouter Hagens

Photo by Wouter Hagens

This work has been released into the public domain by its author.

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Buy Chamaecyparis lawsoniana

Also Known As

  • Lawson's Cypress
  • Port Orford Cedar

Plant type

tree, conifer

size

  • H: 60'
  • W: 40'

planting zones

  • 5a-8b

12 to 16 inch seedling - bare root | $11.69

Shipping flat rate $12

Fewer than 5 at Red Panda Nursery

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Chamaecyparis lawsoniana plant details

Chamaecyparis lawsoniana is an evergreen conifer tree with green foliage. and brown fruit. Grows well with sun - mostly sun and even moisture water. Does well in acidic, average, rich and well-drained soil. A good option if you're seeking something pollution tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Chamaecyparis lawsoniana

Plant type: conifer tree
Plant family: cupressaceae
Foliage: evergreen green
Mature size: 40 FT wide, 60 FT tall
Uses: year round interest

GROWING CONDITIONS for Chamaecyparis lawsoniana

USDA Zones: 5a - 8b
Sun exposure: sun - mostly sun
Watering frequency: even moisture
Resistant to: pollution and verticillium wilt
Soil needs: acidic, average, rich and well-drained

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Nursery contributed plant descriptions

Lovely drooping branches of feathery blue-green foliage have a unique sweet-spicy ginger scent and are quite stunning contrasted with the beautiful reddish-brown furrowed bark, reaching 40-60' in the landscape, it can reach 175' and more in its habitat, native to Oregon and Northwestern California, it is now scarce in the wild; Port Orford cedar is a misleading common name as it is not a cedar, so botanists are preferring to call it Lawson cypress. S-PSh/M/GDr
In the Cupressaceae family and very closely related to the Cypress genus, Chamaecyparis lawsoniana covers a very small native range and is listed as near threatened in the wild. It is a wonderful conifer for most any landscape with many common names, including White Cedar, Lawson Cypress, Western White False Cypress, Port Orford Cedar (of which is named after the City of Port Orford, and was once one of the major timber species harvested). We much prefer the Port Orford Cedar as an alternative to hedge plants such as the Leyland Cypress as the Port Orford has far fewer problems. The roots are very strong and not as likely to rip out as others, the growth is far more even and the trunk wood is far stronger than many cypress alternatives. Additionally, the lacy scale-like foliage is a light silver grey - a much more attractive and interesting color for a hedge than most of the true cypress that tend to have a brownish tint.


Notable Uses
In the landscape, this makes an excellent specimen plant or a fantastic privacy screen in a row. The top couple feet of the central leader will usually curve downwards, giving it the appearance of a mountain hemlock on a snowy peak. Foliage will continue growing to the base of the tree until cut to reveal slightly fibrous bark, which was often pulled away by Native Americans for weaving or medicinal uses. The light colored wood is strong and rot resistant, similar to most members of the Cypress family (including Eastern and Western Red Cedar, Giant Sequoia and Redwood). Harvested timber fetches a high price in Asia and is usually exported to Japan from Port Orford, Oregon. Because the wood is so fine grained and solid, it is often used in making instruments such as guitars. Native populations, which were tiny in range to begin with, have been greatly over harvested and combined with a root rot in the wild has prompted the species to be listed as near threatened.

Shade and Drought Tolerance
The Port Orford Cedar is very shade tolerant and will grow with less sun exposure than most any other conifer. The scale-like pattern of the foliage provides more surface area than regular needles or leaves, allowing photosynthesis to occur with less light available. Additionally, like most Western Natives, the Port Orford Cedar is very drought tolerant. At our nursery in Southern Oregon, summer temperatures will often range from 95-105 with very low humidity from June until September. Any soaking rain enough to get to the roots before evaporating away is uncommon from the end of May until October or November. In the wooded area above our nursery, we've established several Port Orford Cedar by watering them with a bucket twice their first year, and then letting them fend for themselves. Especially considering the harsh environment they live in, they have managed to grow several feet per year.

Information on the False Cedars (for those who care about botany)
Many American species within the Cypress family have 'Cedar' included in their names (Incense Cedar, Port Orford Cedar, Red Cedar, White Cedar, etc.) because the wood of many Cypress species has the same aromatic smell as the true Cedars, which are native to the Mediterranean. Many of the false Cedars now have had changes made to their common names to reflect that they are not actually Cedars - for example, Incense Cedar is now officially named 'Incense-cedar' to designate it is a false cedar.
Being the tallest member of the Cypress family the Port Orford is a stately tree native to Oregon.
Growing to 60' tall in landscape use, this conifer can grow much taller in the wild. Does not thrive in excessive heat. The structure is pyramidal to conical, with a great, buttressed trunk and short branches that droop at the tips.

By: Greer Gardens Inc.

Gardening facts about Chamaecyparis lawsoniana plant

How to Grow Chamaecyparis lawsoniana

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • even moisture
  • Soil Needs

    • acidic
    • average
    • well-drained
    • rich
  • Special Situation

    • pollution tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Fruit

    • brown
  • Foliage Season

    • evergreen
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