Cultivars
'Aurea'
This small conifer forms an oval habit and reaches 2m (6ft) in 10 years. The foliage is yellow turning green with a touch of bronze during winter.

'Aurea Nana' Berckmanns Arbor-vitae
This small conifer forms a dense rounded habit with golden-green foliage that is tinged with darker green towards the centre. It normally attains 1m (3ft) in hight but is slow growing.

'Beverleyensis' Beverly Hills Arbor-vitae
"Beverleyensis" is a Latinate name for Beverley Hills, USA, where this cultivar was developed.
This shrub grows to 2m (6ft) in 10 to 12 years and forms oval habit with dense foliage that grows from the ground level. The outer foliage is golden-yellow turning green-bronze during winter.

'Blue Cone'
This small conifer forms a dense rounded habit up to 2.5m (8ft) tall with light green foliage and produces masses of bluish fruit. It is suitable for temperate gardens and is planted along borders for screening.

'Elegantissima' Golden Tipped Arbor-vitae
This conifer forms an upright oval habit with light green foliage tipped with yellow, which turns bronze during winter. It reaches 5 metres with maturity and becomes denser with age.

'Filiformis Erecta'      Threadleaf Arbor-vitae
This small conifer has a rounded-conical habit with loosely arranged foliaged. The needle-like green foliage is tipped with yellow giving it a speckled appearance. It grows to 1.5m (5ft) in 8 to 10 years.

'Juniperiodes'
This unusual looking Thuja forms an upright oval habit with only juvenile soft foliage that gives a prickly appearance and is blue-green turning dark blue during winter. Slow growing attaining 2m (6ft) in 10 to 12 years.

'Meldensis'
This dense small conifer forms a rounded habit with green-grey fine juvenile foliage that turns purple-brown during winter. It will attain 2m (6ft) in 10 years with some adult foliage.

'Pendulous'
This tree is upright forming a broad conical habit with spreading dark branches. The pendant thread-like dark green foliage forms a dense cover. It is planted in large gardens or parks as a specimen tree.

'Rosedalis'
This fine leafed dwarf conifer forms an upright rounded habit and has predominantly juvenile foliage that is lemon yellow during spring turning green then purple during winter. It will attain 1m (3ft) of growth in 10 years.

'Semperaurea'
This small conifer has a rounded habit with closely pressed yellow foliage that persists through the year. It will attain 1.5 x 1 metre (5 x 3ft) in 10 years and in maturity it will reach 4m (12ft) tall.

'Sieboldii'
This slow growing dwarf plant attains a height of 2m (6ft) forming a dense rounded-conical habit with dark green foliage. It is planted in small gardens and is used in temperate regions.

'Westmont' Westmont Arbor-vitae
This dwarf conifer forms a dense compacted rounded habit with inner green and bright lemon-yellow outer foliage, which turns bronze during winter. It will reach 1m (3ft) in 10 to 12 years.