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Green Mountain® Linden features a handsome form, may only require pruning of basal sprouts, is desirable for the urban environment, offers dense branching and shade, and is excellent in New England.

Tree of the Month: Green Mountain Linden

By Len Phillips, ASLA Emeritus


Photos courtesy of Len Phillips 

Trade Name: Green Mountain® Linden

Botanical Name: Tilia tomentosa ‘PNI 6051′

Parentage: Developed by Princeton Nurseries

Family: Tiliaceae

Year of Introduction: 1988

Height: 50 to 70 feet

Spread: 45 to 55 feet

Form: Broad pyramidal shape

Bloom Period: Late June to early July

Flower: Yellowish white, fragrant, pendulous, attractive to bees, cymes 1-1/2-inches to 2-1/2-inches long

Fruit: 1/3-inch nutlet, persistent and dry on the tree

Summer Foliage: Very dark green above, silvery white and pubescent below, shimmer in the wind, 2 to 4 inches long

Autumn Foliage: Bright yellow in the autumn

Winter Color: Bark provides winter interest

Bark: Straight leader, light gray, handsome

Habitat: Southeast Europe and Western Asia

Culture: Rich, medium loam; well drained; any pH; full sun to partial shade; tolerates heat, drought and air pollution

Hardiness Zone*: 5 to 8

Growth Rate: Faster than other lindens, 45 feet after 30 years, up to 2 feet per year

Pest Resistance: Resistant to most Linden problems, including aphids and Japanese beetle feeding

Storm Resistance: Excellent

Salt Resistance: Excellent

Planting: Transplants with some difficulty, quick recovery

Pruning: Prune at planting and 3 years later to mature form, withstands severe pruning, may only require pruning of basal sprouts and removal of some potential crotch problems

Propagating: Budded onto T. cordata understock

Design Uses: Well suited for street tree planting

Companions: Use with ground covers such as Vinca and Pachysandra

Other Comments: Handsome form, may only require pruning of basal sprouts, desirable for the urban environment, dense branching and shade, excellent in New England

Available From: Most large nurseries


* For information about the USDA Hardiness Zone Map, visit www.usna.usda.gov/Hardzone/index.html


This information has been gathered from personal observations of the  author, living in New England – Zone 5, and information provided by J. Frank Schmidt & Son nursery.  Len Phillips can be reached via email at lenphillips@on-line-seminars.com


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