Chamaecyparis lawsoniana

Chamaecyparis lawsoniana
  • BOTANICAL NAME: Chamaecyparis lawsoniana
  • PRONUNCIATION: kam-uh-SIP-uh-ris law-Sohn-e-ana
  • COMMON NAME: Lawson Falsecypress
  • FAMILY: Cupressaceae
  • NATIVITY: Southern Oregon to northern California.
  • GROWTH HABIT: Pyramidal tree.
  • SIZE: Varies widely depending on cultivar. The species will grow to 180' in native stands, but only 40 - 60 feet in cultivation. The cultivars range from 3' and up.
  • HARDINESS: Zone 5 - 7.
  • CULTURE: Sun, with cool, moist atmosphere and root conditions. Does not grow as well as other falsecypress in the Delaware Valley.
  • LANDSCAPE USE: The species can be an impressive specimen or alle tree. The cultivars work well in larger rock gardens and where other dwarf conifers would be used.
  • FOLIAGE: Opposite, approximately 1/4" long. The lateral pair of scalelike leaves
    larger than the facial pair. Leaves typically with oil glands. Branchlets flattened,
    typically with a blue cast to the foliage.
  • BARK: Silvery brown to reddish brown, deeply ridged and furrowed.
  • FRUIT: Cones, 1/3" and globose, 8 peltate scales.
  • PROPAGATION: Seed, cutting, graft.
  • PESTS: Root rot can be severe.
  • CULTIVARS:
    • `Alumii' - columnar, blue foliage to 25'.
    • `Columnaris' - tight columnar habit, 15 - 20'.
    • `Oregon Blue' - broad, columnar, with blue foliage.
    • `Pembury Blue' - conical 25' (?), best blue (?).
    • `Stewartii' - conical to 30', golden yellow foliage.
    • `Winston Churchill' - conical, golden yellow foliage.

     

 

University of Delaware

University of Delaware Botanic GardensNewark, DE 19716Phone: 302 831-0153