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Guide makes tree selection easier

Published: Saturday, Nov. 24, 2012 1:15 a.m. CDT

Christmas trees come in different varieties, so knowing the difference between them can make selection easier.

The University of Illinois Extension helps in the process with the following guide:

■ The balsam fir has short, flat, long-lasting needles that are rounded at the tip and are a nice, dark green color with a silvery cast and fragrance. It is named for the balsam or resin found in blisters on bark. Resin is used to make microscope slides. It was once sold like chewing gum and was used to treat wounds in the Civil War.

■ The Canaan fir has soft, short, bluish to dark green needles that turn to silver on the underside. Its strong branches and open growing pattern provide good needle retention and fragrance.

■ The Douglas fir has good fragrance and blue to dark green needles that have one of the best aromas among Christmas trees when crushed. Its branches are spreading and drooping, and it has a good conical shape. After being cut, the Douglas fir will last 3 to 4 weeks. Named after David Douglas, who studied the tree in the 1800s, it can live for 1,000 years.

■ The Fraser fir has dark green, flattened needles; good needle retention; and a nice scent. It is pyramid shaped with strong branches that turn upward. The Fraser fir was named for botanist John Fraser, who explored the southern Appalachians in the late 1700s.

■ The grand fir has shiny, dark green needles. When crushed, the needles give off a citrus smell. Grand fir will last 3 to 4 weeks after being cut.

■ The noble fir has blue-green needles with a silvery appearance. Its short, stiff branches are good for heavier ornaments. It keeps well and is used to make wreaths, door swags and garlands. With good care, the tree will last for 6 weeks after being cut.

■ The concolor fir has blue-green needles, a citrus scent and good needle retention. In nature, the concolor fir can live up to 350 years.

■ The Austrian fir has dark green needles that are 4 to 6 inches long and a moderate fragrance. It retains needles well.

■ The red pine is big and bushy with dark green needles 4 to 6 inches long.

■ The Scotch pineis themost common Christmas tree variety. It has stiff, dark green needles that are 1-inch long and stiff branches that hold heavy ornaments well. It holds needles for 4 weeks; the needles will stay on even when it is dry. Its open structure offers more room for ornaments and it keeps aroma throughout the season. Scotch pine was introduced into the U.S. by European settlers.

■ The Virginia pine has 1½ to 3-inch long dark green needles in twisted pairs and a strong aromatic pine scent. Its strong branches enable it to hold heavy ornaments. It is a popular southern Christmas tree.

■ The white pine has soft, blue-green needles, 2 to 5 inches long in bundles of five. It has a very full appearance and retains needles throughout the holiday season. Because it has little or no fragrance, it is less likely than more fragrant trees to provoke allergic reactions. Its slender branches support fewer and smaller decorations than some other types of trees. It is the largest pine tree in the U.S. and the state tree of Michigan and Maine.

■ The Black Hills spruce has green to blue-green needles. Small children might find the stiff needles difficult to handle.

■ The blue spruce is dark green to powdery blue and has a symmetrical shape. It will drop needles in a warm room, but is the best species for needle retention. Branches are stiff and will support many heavy decorations. The blue spruce is the state tree of Utah and Colorado and can live in nature 600 to 800 years.

■ The Norway spruce has dark green needles ½ to 1-inch-long, a strong fragrance, and a nice conical shape. Without proper care, needle retention is poor. The Norway spruce is very popular in Europe.

■ The white spruce has needles ½- to ¾-inch- long that are green to blue-green, short and stiff. Needle retention is good, but crushed needles have an unpleasant odor. The white spruce is the state tree of South Dakota.

Visit www.urbanext.uiuc.edu/trees for more information.

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