Chamaecyparis obtusa 'Compacta' is a very old selection of dwarf Hinoki cypress, 

RECOMMENDED HARDINESS ZONES:
5 (-10 to -20 F / -23.3 to -28.9 C)
8 (10 to 20 F / -6.7 to -12.2 C)

HORTICULTURAL STATUS: Established
ORIGIN: Unknown
COLOR: Dark Green
TRINOMIAL TYPE: Cultivar
GROWTH SIZE: Dwarf: 1 to 6 inches (2.5 – 15 cm) per year / 1 to 5 feet (0.3 – 1.5 m) after 10 years

This cultivar is thought to have originated in the United Kingdom.