Height: 15-25' Width: 6-20' 
Hardiness Zone: 3 -7 
American Arborvitae is a dense, pyramidal evergreen tree that is native in moist sites in North America from Minnesota east. Main trunk often divides into several leaders. The branches with scale-like foliage are displayed in horizontal sprays. Fruit is a small (3/8") light brown cone. Native trees will get much larger than size listed above. Selected compact cultivars are usually planted in the landscape. 
Requirements and Culture: Needs a moist rich soil, somewhat tolerant to wet soils. Will tolerate light shade but will be more open in growth habit. Can be sheared readily. 
Very susceptible to deer browsing in winter. Foliage of the species can turn an unattractive yellow-brown in winter. Cultivars have been selected that maintain a better winter color.
 
 

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Site & Soil: full sun to partial sun; prefers moist, well-drained soils in full sun, but is very urban tolerant, especially to poor soils, compacted soils, soils of various pH, heat, drought, and moderate pruning or constant shearing; will not tolerate full shade or wet sites. 
Flowers: often dioecious (male and female flowers are on separate plants), but ornamentally inconspicuous; sometimes noticeable as brownish or yellowish elongated knobs amidst the foliage in Spring.
Fruits: often inconspicuous, but sometimes quite noticeable on female plants as very glaucous blue-black or light blue small "cones" of generally ovoid or rounded shapes held tightly against the stems and foliage 
Propagate: primarily by rooted cuttings or grafting onto a rootstock 
Cypress Family, with several serious potential diseases (especially twig blight [Phomopsis], but also various rusts) and pests (especially midge, but also aphid, bagworm, scale, webworm, beetle, and mite)   Height: 6'-8';  Zones 3 to 5.

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A fast growing globe-shape evergreen with rich green foliage.  Retains globe shape without trimming.
Scale-like turning brownish in the winter. 

Site & soil: Full Sun is preferred; Does best in moist, acidic, well-drained soil supplemented with organic matter.  Tolerant of pruning.  Excellent for hedges. Transplants easily.   Height: 3 - 4'   Hardiness Zones: 2 -5 

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Globe Arborvitae for data base or web use Plant Photos Volume 1
 

A compact evergreen conifer pine shrub with dense bright green foliage and needles about 2 inches long. It is a very dense shrub with a rounded form.   Height:  6 or 8 ft. 
Use: They make excellent foundation plantings and are suited very well to Japanese style gardens. 

Pruning: Branches can be thinned out by pruning in autumn or late winter/early spring and it makes avery good outdoor bonsai specimen.
Flower: Monoecious; males cylindrical, yellowish in clusters, females yellow green to purple.
Fruit: Small cones, borne singly or in small cluster, 1 to 2 inches long, grayish brown at maturity.
Propagation is easiest from seed.  Zones: 3-7.

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Mugo Pine,  Pinaceae Pinus mugo for data base or web use Plant Photos Volume 1

Type:  dioecious, so the red fruits, are produced only by female plants. Female plants 
have pointed or conical flower buds and male plants have rounded flower buds. Select mostly female plants to get the fruits, but interplant a few males to ensure pollination. Japanese yew dies back in very acid or poorly drained soil. 
Site & Soil: sun or shade and prefers a moist, sandy loam.
Height & Spread: height of 40 to 50 feet and spreads 15 to 20 feet, but most cultivars are smaller.
Transplanting:  most successful with balled and burlapped or potted plants. 
Zones: 4 - 7
TOXICITY RATING: Extremely toxic, death is likely. 
ANIMALS AFFECTED: All animals (livestock, pets and birds). 
CLASS OF SIGNS:  "Found dead" is the typical presenting sign. Occasionally: breathing problems, trembling, weakness, heart problems, stomach upset. Very rarely will animals show signs up to 2 days later: trembling, slow heart rate, difficulty breathing, gastroenteritis (stomach upset and diarrhea). The plant is exceptionally toxic, with one mouthful able to kill a horse or cow within 5 minutes. Toxicity is compounded by the apparent palatability of yew. Death is due to cardiac and/or respiratory collapse. Many animals are poisoned accidently when yew trimmings are thrown into the pasture or when yew is planted as an ornamental within browsing reach. Infrequent reports of dogs chewing the leaves resulted in gastroenteritis, seizures, and aggressive behavior. 
FIRST AID: First aid is usually impractical, since the animals die so quickly. Prevent other animals from being exposed and use caution around animals showing clinical signs to prevent human injury. If animals are still alive, contact a veterinarian. Cardiac drug therapy may be attempted, but success is unlikely. 
SAFETY IN PREPARED FEEDS: Yew is toxic even when dry, therefore hay with yew in it is never safe in any amount. 
PREVENTION: Never allow yew plants or trimmings within reach of horses, cattle, sheep, goats, pigs, birds, or any other animal likely to eat plants. Dogs and cats rarely chew on this plant, so it is not necessary to remove it from ornamental gardens. Toxicities in dogs occurred when puppies were confined to a pen with yew and chewed the plant out of boredom. The fleshy red "berry" is not considered toxic, but consumption is not advised. 

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JAPANESE YEW for data base or web use Plant Photos Volume 1