LINDEN CULTIVARS FOR THE PRAIRIES

The Linden family is characterized by heart shaped leaves, graceful shady crowns and small golden flowers that are know for fragrance.  Lindens are one of the most attractive ornamental trees because of their symmetrical growth habit.  They take a couple of years to set down root after transplanting and then grow at a moderate to fast rate once they are established.   Lindens prefer to grow on moist, fertile soils that are well drained and sufficiently aerated.  The homeowner or city crew can provide optimum conditions for Lindens by a regular maintenance program that includes watering, fertilizing, pruning and aeration.  

Lindens that have been planted on the harsh urban sites tend to lose their vigour and die prematurely.  Sites that are not suitable for Lindens include the heavy soils that become compacted by urban activity, draughty soils that do not retain moisture or fertilizer, locations where winter salt spray is prevalent and highly exposed areas where wind and sun penetrate the tree.  Lindens have the potential to be used more extensively as a landscape tree throughout the prairies.  They are becoming more available and can serve as an alternative to the widely used ash (Fraxinus).  The main Lindens grown on the prairies are presented below. All of these lindens do well in the northern prairies or Parkland area.   In the dry south-western region of the prairies, American and Dropmore Linden have performed best.

Name of Linden Mature Height

Mature Width

Foliage

Fall Colour

Zone

Shape and Features

American

(Basswood)

Tilia americana

60-75'

(18 - 23 m)

35-45'

(10 - 14 m)

Large, dense and dark green

Yellow, first to colour up.

2b

Rounded, dense crown, provides, deep shade, yellow fragrant flowers

Dropmore

Tilia x flavescens

35-40'

(10 - 12 m)

25'

(7.5 m)

Very dark, glossy leaves Leaves turn brown after a hard frost 2b Pyramidal crown, dark glossy leaves, coarse textured crown, smooth dark bark
Glenleven

Tilia x flavescens

35-50'

(10 - 15 m)

30-35'

(9 - 10 m)

Medium green Leaves turn brown after a hard frost 3 Pyramidal crown, fast growing, straight trunk
Golden Cascade

Tilia cordata

35-50

(10 - 15 m)'

30-35'

(9 - 10 m)

Medium green Golden, turn colour 10 days after basswood 3 Rounded and weeping form, golden fall colour, grey bark
Harvest Gold®

Tilia mongolica

USPPAF

30-40'

(9 - 12 m)

25-30'

(7.5 - 9 m)

Thin, medium green, resistant to leaf spot Golden yellow, 1 week after basswood 3 Upright and oval form, exfoliating bark, consistent fall colour, golden buds, sunscald resistant
Littleleaf

Tilia cordata

30-40'

(9 - 12 m)

30-35'

(9 - 10 m)

Medium green, small leaves Leaves turn brown after a hard frost 3 Broad crown, small leaves, more adapted to harsh urban sites,
Norlin®

Tilia cordata

USPP #8239

35-50'

(10 - 15 m)

30-35'

(9 - 10 m)

Medium green, resistance to leaf spot & gall Leaves turn brown after a hard frost 3 Oval crown, retains a leader, fast growing

Written by Rick Durand - research and development program at Jeffries Nurseries

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