Also known as Californian False-Cypress · Ellwoodii · False Cypress
Lawson's cypress (Chamaecyparis lawsoniana) is a large evergreen conifer native to the Pacific Northwest, known for its fragrant foliage and graceful form.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
50% intensity
Prefers full sun for best form and color, but tolerates light shade.
Moderate
50% intensity
Consistent moisture, especially for young trees. Good drainage is crucial.
Loam, Sandy, Clay, Acidic, Neutral, Alkaline
50% intensity
Moderate
50% intensity
Hardy in USDA zones 5-9. Protect from extreme heat and harsh winter winds.
Low
25% intensity
Fertilize in early spring with an evergreen blend. Avoid over-fertilizing.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly, especially during dry periods and the first few years after planting. Ensure good drainage to prevent waterlogged roots.
Allow the top few centimeters of soil to dry out slightly between waterings for established plants, but young trees require more consistent moisture.
Prune lightly in late winter or early spring to remove dead, damaged, or crossing branches. Shaping can be done as needed, but avoid heavy pruning as it can stress the tree.
Aim for a natural form, preserving the tree's characteristic conical shape.
Propagate by semi-hardwood cuttings taken in late summer or early autumn. Use a rooting hormone and provide bottom heat in a well-drained, sterile medium.
Successful propagation requires patience and suitable environmental conditions for root development.
Repot young Lawson's cypress every 2-3 years in early spring before new growth begins. Use a well-draining potting mix. Ensure the new pot is only slightly larger than the current one.
Avoid disturbing the root ball excessively during repotting.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Lawson's Cypress (Chamaecyparis lawsoniana)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Pinopsida |
| Order | Pinales |
| Family | Cupressaceae |
| Genus | Chamaecyparis |
| Species | Chamaecyparis lawsoniana |
Similar in genus Chamaecyparis
Answers based on plant encyclopedia data
