Scientific Name:
Chamaecyparis lawsoniana
Pronunciation:
kam-ee-SIP-uh-riss law-sun-ee-AY-nuh
Common Name:
Lawson cypress, Port Orford cypress
Family Name:
Cupressaceae
Plant Type:
Conifer
Key ID Features:
Spiraling, open, glowing tree, nodding leader, branch sprays flat and upright; leaves scale-like, most 2-3mm long, soft, dark green to gold, white X on underside; male cones bright pink at tips of branchlets; pollen cones 2-4mm, red to purple; female cones like soccer ball and 6-9(-12)mm round, (6-)8-10 scales with the apical pair fused; seeds 2-4 per scale, 2-5mm long with wing as broad; seedlings with 2 cotyledons. Conifers.org
Habit:
Dense, Horizontal, Spreading
Form:
Pyramidal - narrowly
Texture:
Medium - fine
Mature Height:
15 - 22m
Mature Spread:
3 - 4m
Growth Rate:
Moderate
Origin:
U.S. - northwest, U.S. - southwest
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate, Summer dry
Landscape Uses:
Hedge row, Specimen plant, Woodland margin
Additional Info:
Leaf Morphology:
Form:
Scale-like
Arrangement:
Opposite, Imbricate
Texture/Venation:
Prickly
Surfaces:
Glandular hairs, Distinctive smell
Colour in Summer:
Bluish, Green, Chamaecyparis lawsoniana 'Ivonne' is a yellow foliage cultivar
Colour in Fall:
Bluish, Green
Shapes:
Rhomboidal
Apices:
Acuminate, Acute
Bases:
Acute, Truncate
Margins:
Entire
Additional Info:
CV. 'Ivonne' is a golden foliage cultivar
Inflorescence Type:
n/a (male cone)
Flower Morphology:
Monoecious plant
Colour (petals):
Male cone, No flowers, Red
Flower Scent:
None
Flower Time at Peak:
Mar, Apr
Fruit Type:
Cone (winged seeds)
Fruit Colour:
Red, Brown
Fruiting Time:
Sep, Oct
Bark Morphology:
Exfoliating, Plated, Stringy, Deeply fissured, Single stem trunk
Bark or Stem Colour:
Red, Brown, Dark brown
Propagation:
Seed, Softwood cuttings
Pest Susceptibility:
Blight or needle cast, Caterpillar or cutworm, Mites, Root rot, Scale insects (Pest resistant, Disease resistant)
Course(s):
- not used (on campus)
Location(s):
- (GAZ) GAZebo
- (GAZW) GAZebo West : q.1 cv. Ivonne
- (LTW) Langley Township Walk