38 Arbor Age / July 2014 www.arborage.com
B y L e o n a r d P h i l l i p s ,
A S L A E m e r i t u s
Trade Name: Greenspire Linden
Botanical Name: Tilia cordata 'PNI 6025'
Family: Tiliaceae
Parentage: Tilia cordata 'Euclid' x Tilia cordata
selection
Year of Introduction: 1960
Hardiness Zone*: 3 – 7
Height: 40 feet
Spread: 30 feet
Growth Rate: Medium, 15 feet in 10 years
Form: Narrow oval to pyramidal
Bloom Period: Late June to July
Flower: Yellowish, fragrant, drooping clusters,
attracts bees
Fruit: Small nut
Spring Color: Mid green
Summer Foliage: Shiny dark green
Autumn Foliage: Yellow in fall
Winter Color: Dark branches and form provide
winter interest
Bark: Dark brown with ridges and furrow on
older trees
Habitat: Species from Europe, now grows
everywhere in hardiness range
Culture: Moist, well drained, fertile soil; sun;
tolerant of most soils and urban sites
Pest Problems: Resistance to disease,
problems with aphids and Japanese beetles
Storm Resistance: Excellent
Salt Resistance: Sensitive to salt
Planting: Transplants easily bare root and
B&B, suitable for use in CU-Structural Soil
Pruning: This tree requires pruning in youth
to establish proper structure
Propagating: Budded onto species seedlings
Design Uses: Excellent specimen, street tree,
and lawns and gardens
Companions: Use with all types of perennials
Other Comments: Ideal for city streets, very
popular
Available From: Most nurseries
* For information about the USDA Hardiness
Zone Map, visit http://www.usna.usda.gov/
Hardzone/index.html
These are the personal observations of the
author, living in New England – Zone 6.
Leonard Phillips can be reached via e-mail at
lenphillips@on-line-seminars.com.
All photos provided by J. Frank Schmidt & Son Co.
Greenspire
Linden
TREE OF THE MONTH
