Tree List - Idaho Power

Trees selected for the fall 2021 Shade Tree Project have been approved and selected by local arborists. When mature, they will be taller in size, provide good shade and have been adapted for our climate.

Below are the common characteristics of the trees being offered, including mature size, shape and other defining characteristics. Sizes are typical for the species; actual size at maturity may vary. These trees are chosen to grow tall and provide shade. Do not plant near overhead lines.

Please note: Not all trees available in all areas.

Greenspire Littleleaf Linden

This tree has a very symmetrical, pyramid shape. It has fragrant yellow flowers in early summer and yellow fall foliage. It may reach heights of 60 feet, with a 40-foot spread.

50-60′ High
30-40′ Spread
Pyramid Shape

Red Oak

This tree is known for its brilliant red fall color and rapid growth rate. Its brown flowers are not showy and are quite small; its acorns are roughly one inch. It has a round shape and can reach heights of 60 feet with an equal spread. The red oak has a high tolerance to drought once established and can tolerate compacted soils. Red Oaks prefer acidic soils and may not do well in highly alkaline soils present in some parts of the Treasure Valley.

Height: 60 feet
Spread: 60 feet
Shape: round

Tulip Tree

This fascinating tree has a unique leaf shape and flowers that bloom early in the season. Plant near a second story window to view these blooms. It is a fast-growing tree with a yellow fall color. It has an oval to round canopy and at maturity it will reach heights of 60 feet or more with a spread of 40 feet. The tulip tree requires well drained soils.

Height: 60 feet
Spread: 40 feet
Shape: oval

Burr Oak

This large oak has massive leaves which can reach lengths of 12 inches long and 8 inches wide. It has a round shape and can reach heights of 50 to 80 feet with a 45 to 80 foot spread at maturity; make sure this tree is planted in an area that can support its size. Its bark and braches are chunky and textured in appearance. The brown inconspicuous flowers are not showy giving way to quite large and attractive acorns. The Burr Oak has a high drought tolerance once established and can handle many soil conditions. Its leaves turn yellow in the fall.

Height: 80 feet
Spread: 80 feet
Shape: oval

Swamp White Oak

Swamp White Oaks grow to 45 feet or more with a 45 foot canopy spread. They are round in shape. They feature lustrous, heavy textured green leaves with wavy margins that turn yellow brown to red in the fall. Oaks may not do well in highly alkaline soil.

Height: 45 feet
Spread: 45 feet
Shape: Round

Red Maple

This tree is fast growing and tolerant of many soils. This tree prefers full sun and should get at least six hours of direct sunlight each day. The red maple has leaves turn into a brilliant red in the fall.

Height: 40’-70’
Spread: 30’-50’
Shape: Oval or round