Picea abies 'Columnaris' (Norway Spruce)
A very narrow form of Norway spruce. 'Cupressina' is more commonly available in the trade.
Thuja occidentalis 'Yellow Ribbon' (Arborvitae)
A beautiful golden cultivar of arborvitae; seems to be a bit wider than some. No damage in any of the early or late freezes in 2013 and 2014.
Taxodium distichum (Bald Cypress)
Rarely seen in Colorado, but seems to do fine despite being far from home in the southeast U.S. One of the few decidious conifers.
Pinus armandii (David Pine)
Long droopy needles make this pine look exotic for CO. Seems to be hardier than Pinus wallichiana which was damaged/killed by the Nov. 2014 freeze.
Larix sibirica 'Conica' (Siberian Larch)
Beautiful deciduous conifer than seems to do well in Colorado. Wonderful golden fall color. Looks like a dead spruce in winter.
Pinus bungeana (Lacebark Pine)
A beautiful pine, often one of visitors' favroite trees. Smaller size makes it a good landscape specimen. Good drainage is important.
Cephalotaxus sinensis (Chinese Plum Yew)
Rarely seen in Colorado, from eastern Asia. Long needles give it an unusual look for Colorado. Best in a shady site.
Abies homolepis (Nikko Fir)
Unusual fir rarely seen outisde of botanic gardens and arboreta in the U.S.
Pinus monophylla (Single Leaf Pine)
The only pine with a single needle in a bundle; a beautiful smaller drought-tolerant pine.
Juniperus occidentalis (Sierra Juniper)
Native to western Utah in the Great Basin, Columbia Plateau, and Sierra Nevada. A beautiful tree in its native habitat.
Hesperocyparis bakeri (Baker's Cypress)
Possibly the best cypress for Colorado. Will not break in heavy snows like Arizona cypress, and a bit hardier, possibly okay to -40 F occasionally.
Thuja plicata (Western Red Cedar)
An unsual conifer rarely seen in Colorado since its native habitat is Pacific Northwest lowland forests. These individuals are from the population in Northern Idaho and Montana.
Sequoiadendron giganteum (Giant Sequoia)
Rarely seen in Colorado, hardiness seems to be controlled by both genetics and microclimate.
Pinus ponderosa (Ponderosa Pine)
Throughout the Japanese Garden, view the beautiful naturally sculpted pines from the foothills west of Longmont. Maintained through pruning, training and needling. Many are over 100 years old.
Pinus heldreichii (Bosnian Pine)
Becoming very common in landscapes, a smaller substitute for Austrian pine. Forms the treeline in certain mountains in Greece and the Balkans.