Plant Library


Northern Treasure Hybrid Ash

Fraxinus 'Northern Treasure'

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Northern Treasure Hybrid Ash (Fraxinus 'Northern Treasure') at Shelmerdine Garden Center

Northern Treasure Hybrid Ash

Northern Treasure Hybrid Ash

(Photo courtesy of NetPS Plant Finder)

Northern Treasure Hybrid Ash (Fraxinus 'Northern Treasure') at Shelmerdine Garden Center

Northern Treasure Hybrid Ash in fall

Northern Treasure Hybrid Ash in fall

(Photo courtesy of NetPS Plant Finder)

Height:  50 feet

Spread:  30 feet

Sunlight:  full sun 

Hardiness Zone:  2b


A relatively narrow upright shade tree, ideal for smaller yards in cold climate landscapes; very adaptable, hardy and low maintenance with a neat and tidy habit, rapidly becoming a popular street and front yard tree, proving its value

Ornamental Features

Northern Treasure Hybrid Ash has forest green foliage throughout the season. The pointy compound leaves turn an outstanding yellow in the fall. Neither the flowers nor the fruit are ornamentally significant.

Landscape Attributes

Northern Treasure Hybrid Ash is a dense deciduous tree with an upright spreading habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This is a relatively low maintenance tree, and should only be pruned in summer after the leaves have fully developed, as it may 'bleed' sap if pruned in late winter or early spring. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.

Northern Treasure Hybrid Ash is recommended for the following landscape applications;

  • Shade

Planting & Growing

Northern Treasure Hybrid Ash will grow to be about 50 feet tall at maturity, with a spread of 30 feet. It has a high canopy with a typical clearance of 7 feet from the ground, and should not be planted underneath power lines. As it matures, the lower branches of this tree can be strategically removed to create a high enough canopy to support unobstructed human traffic underneath. It grows at a medium rate, and under ideal conditions can be expected to live for 70 years or more.

This tree should only be grown in full sunlight. It is very adaptable to both dry and moist locations, and should do just fine under average home landscape conditions. It is considered to be drought-tolerant, and thus makes an ideal choice for xeriscaping or the moisture-conserving landscape. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This particular variety is an interspecific hybrid.

Hardiness Zone Plant Height Minimum Sunlight
Fall Color 
Ornamental Features

Hours of Inspiration

Monday-Wednesday / 10am-6pm
Thursday-Friday / 10am-8pm
Saturday / 9am-5pm
Sunday /11am-5pm

Shelmerdine Garden Centre Ltd.

7800 Roblin Boulevard
Headingley, MB R4H 1B6

Phone: 204.895.7203
Toll Free: 1.888.895.0032
Fax: 204.895.4372
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