Tilia americana ‘Nova’ (eastern North America)
Habit: Medium-size tree, 17-20 m tall, 12-20 m wide, rarely larger; initially wide conical, later asymmetrically broad; branches upright to arching; straight leader, moderately fast-growing; 40-60 cm a year.
Flowers: In hanging cymes with large individual flowers, light yellow late in July; very sweet scent.
Fruits: Large round nuts, olive-green.
Leaves: Cordate and asymmetrical, 12-20 cm long, shiny green, yellow autumn colours, falling at the end of October to beginning of November.
Roots: Cordate with far-reaching, tolerant root system; sensitive to paving and soil compaction.
Demands: Sun to semi-shade, tolerates warmth to cool, sensitive to heat and drought, frost hardy; sensitive to air and soil pollution, needs wind protection.
Soil: Moderately dry to fresh; slightly acidic to alkaline; sandy loam to loam; not growing well on sand or clay; sensitive to salt.
Hardiness: Zone 5b