Larix sibirica'Conica' is a fast-growing, narrow upright tree form of Siberian larch with nearly horizontal branching that sweep upward at the tips. Extremely hardy with good seasonal color; it is a a narrow, light-green spire that creats a nice contrast with darker colored conifers. After 10 years of growth, a mature specimen will measure up to 10 feet (3 m) tall and 4 feet (1.2 m) wide, an annual growth rate averaging 12 inches (30 cm) or more.
This cultivar originated as a seedling selected in 1990 by Iseli Nursery, Inc., Boring, Oregon, USA.
Larix sibirica 'Conica' at Denver Botanical Garden, Colorado, USA.
Photo by Nate Cassell