Chamaecyparis lawsoniana
Lawson's cypress
Common names: Lawson's cypress tree
Photo: jonleebotany · CC0 · Source
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Description
The Lawson's cypress (Chamaecyparis lawsoniana) is an evergreen coniferous shrub prized in gardens for its dense hedge form. It has scale‑like, tightly appressed needles and can grow in conical to columnar shapes depending on the cultivar. Color varieties range from deep dark green to blue‑green and gold‑yellow, such as the ‘Ellwoodii’ cultivar. The plant prefers a moist, well‑drained soil and does not tolerate drought or waterlogging well. All parts contain essential oils that can cause gastrointestinal upset if ingested; keep children and pets away from the foliage.
Care instructions
Water the Lawson's cypress regularly during its first year to keep the shallow roots from drying out. For hedge maintenance, prune twice a year, mid‑May (week 20) and late August (week 35), cutting only into the green new growth, as old wood rarely regrows. Apply a layer of bark humus mulch to keep the soil moist in summer and slightly warmer in winter. Avoid waterlogging by ensuring a well‑drained substrate.
Soil & site
Soil pH
Soil type
well-drained, humus-rich, moist, sandy, lime-avoiding
Feeding
Light feeder
Pruning
Diseases & pests
1 relevantFrom the knowledge base, automatically linked by affected species. How to spot and prevent them is covered in full in the lexicon.
Phytophthora spp.
Phytophthora root and shoot rot is caused by soil borne fungi of the genus Phytophthora, which become active above all where there is waterlogging.
More on Phytophthora root and shoot rotNotes from real gardens
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