Tilia cordata Littleleaf Linden Size: 60 to 70' in height and 1/2 to 2/3's that in spread. Hardiness: Zone 3b to 7. Habit: Pyramidal in youth; upright-oval to pyramidal-rounded and densely branched in old age. Rate: Medium, 10 to 15' over a 5 to 10 year period. Culture: Sun.