Dahurian Larch Seed
Latin Name: Larix gmelinii
Native Range: Eastern Siberia and adjacent northeastern Mongolia, northeastern China (Heilongjiang), South Korea and North Korea
Seed Source: Seed production orchard near Indian Head, Saskatchewan
Height and Spread: 20m x 5m (25 years)
Overview: This seed strain originates from a collection of Dahurian larch obtained in the Heilongjiang province of northeast China near the Amur River. It is a composite of parent trees selected from mature trees in southern Saskatchewan.
Seed: dark brown, 1-2 cm long.
Average viable seeds/packet: 1250
SEED TREATMENT / SOWING
Stratification: Soak seeds for 24 hours then stratify in moist sand for 45 days at 5C.
Ideal sowing time: Fall
Sowing instructions: Outdoors - Sow 1 cm deep, 50 seeds/meter; Greenhouse - sow 3 seeds per cell.
Growing conditions: Dahurian larch grows on a wide variety of soils but favours loamy soils with pH 5.0 to 7.5. It is shade intolerant, preferring sunny exposure. medium-sized deciduous conifer tree reaching 10–30 m tall, rarely 40 m. The crown is broad conic; both the main branches and the side branches are level, the side branches only rarely drooping. ).
Dahurian larch can be used as specimen trees or in hedges and windbreaks. The dense, deep roots make it useful for soil stabilization. Its open crowns allow for uniform snow distribution adjacent to the windbreak.