Scarification: Soak in water, let stand in water for 24 hours
Stratification: cold stratify for 120 days| cold stratify for 150 days
Germination: sow seed 1/16" deep, tamp the soil, mulch the seed bed|sow seed 1/16" deep, tamp the soil, lightly mulch the seed bed.
Other: remove seed from fruit prior to treatments|Sporadic germination may occur over a 2-3 year period
Introducing Sorbus scopulina Greene's Mountain Ash, also known as Western Mountain Ash. This shrubby species boasts beautiful white flowers, compound leaves, and orange to scarlet 1/4" round fruit. Native to the Rocky Mountains and spanning from California to British Columbia, this deciduous shrub can grow up to 4 meters and is hardy to zone 5. The plant is in flower in May, and the seeds ripen in October. The flowers are hermaphrodite and are pollinated by insects. Sorbus scopulina prefers light, medium, and heavy well-drained soil, and can grow in semi-shade or no shade. It requires moist soil and can tolerate strong winds but not maritime exposure. Additionally, an infusion of the branches has been given to young children with bed-wetting problems. For more information on Sorbus scopulina, visit plants.usda.gov. Add this beautiful species to your garden or landscape and enjoy its stunning features all year round.