Rowan, American Mountain ash |
| General |
| Common Name | Rowan, American Mountain ash |
| Latin Name | Sorbus americana Marsh., S. aucuparia |
| Category | Fruits |
| Family | |
| Variety | |
| Visual Traits |
| Flower | white; May-July |
| No Citation Available |
| Foliage/Fall leaf color | orange-yellow to reddish purple |
| No Citation Available |
| Fruit | orange to red; berry-like pome; August- September; persistent through winter |
| No Citation Available |
| Height | 10-30 ft |
| No Citation Available |
| Spread | 4-6 ft |
| No Citation Available |
| Cultivation |
| Propagation method | seed, b&b; bare root |
| No Citation Available |
| Seed treatment and storage | cold stratification for more than 60days at 33-41°F |
| No Citation Available |
| Sowing seed | fall or early winter or July-August for germination following spring (no treatment) |
| No Citation Available |
| Critters |
| Insect and invertebrate pests | aphids, pear leaf beatle, blister mite, Japanese leafhopper, roundheaded borer, mountainash sawfly, scales |
| No Citation Available |
| Pathogens | fireblight, crown gall, canker, leaf rusts |
| No Citation Available |
| Wildlife Pests | preferred browse of white-tail deer |
| No Citation Available |
| Soils |
| Compaction (tolerance) | intolerant |
| No Citation Available |
| Moisture and drainage | well-drained; stunted in dry soils |
| No Citation Available |
| pH | 4.7-6.0 |
| No Citation Available |
| Salt tolerance | intolerant |
| No Citation Available |
| Soils and topography | moist habitats from swamp borders to rocky hillsides; woodland edges and gaps |
| No Citation Available |
| Texture | loamy, clay to sand |
| No Citation Available |
| Growth Pattern |
| Growth rate | slow |
| No Citation Available |
| Longevity | short |
| No Citation Available |
| Root habit | fibrous |
| No Citation Available |
| Habitat and Climate |
| Fire tolerance | intolerant |
| No Citation Available |
| Frost-free days (FFD) | 90 |
| No Citation Available |
| Hardiness Zone | (2) 3-6 (7) |
| No Citation Available |
| Native Range | Northeastern North America |
| No Citation Available |
| Rainfall / humidity | 24-60in |
| No Citation Available |
| Light |
| Light recommendation | full sun |
| No Citation Available |
| Shade tolerance | intolerant |
| No Citation Available |
| Special Notes |
| Note 1 | pest-ridden when stressed |
| No Citation Available |
| Note 2 | Sorbus aucuparia potentially invasive |
| No Citation Available |