How, When and Why of Forest Farming Website

Rowan, American Mountain ash

General
Common NameRowan, American Mountain ash
Latin NameSorbus americana Marsh., S. aucuparia
CategoryFruits 
Family 
Variety 
Visual Traits
Flowerwhite; May-July
No Citation Available
Foliage/Fall leaf colororange-yellow to reddish purple
No Citation Available
Fruitorange to red; berry-like pome; August- September; persistent through winter
No Citation Available
Height10-30 ft
No Citation Available
Spread4-6 ft
No Citation Available
Cultivation
Propagation methodseed, b&b; bare root
No Citation Available
Seed treatment and storagecold stratification for more than 60days at 33-41°F
No Citation Available
Sowing seedfall or early winter or July-August for germination following spring (no treatment)
No Citation Available
Critters
Insect and invertebrate pestsaphids, pear leaf beatle, blister mite, Japanese leafhopper, roundheaded borer, mountainash sawfly, scales
No Citation Available
Pathogensfireblight, crown gall, canker, leaf rusts
No Citation Available
Wildlife Pestspreferred browse of white-tail deer
No Citation Available
Soils
Compaction (tolerance)intolerant
No Citation Available
Moisture and drainagewell-drained; stunted in dry soils
No Citation Available
pH4.7-6.0
No Citation Available
Salt toleranceintolerant
No Citation Available
Soils and topographymoist habitats from swamp borders to rocky hillsides; woodland edges and gaps
No Citation Available
Textureloamy, clay to sand
No Citation Available
Growth Pattern
Growth rateslow
No Citation Available
Longevityshort
No Citation Available
Root habitfibrous
No Citation Available
Habitat and Climate
Fire toleranceintolerant
No Citation Available
Frost-free days (FFD)90
No Citation Available
Hardiness Zone(2) 3-6 (7)
No Citation Available
Native RangeNortheastern North America
No Citation Available
Rainfall / humidity24-60in
No Citation Available
Light
Light recommendationfull sun
No Citation Available
Shade toleranceintolerant
No Citation Available
Special Notes
Note 1pest-ridden when stressed
No Citation Available
Note 2Sorbus aucuparia potentially invasive
No Citation Available