Medium Sized Trees
Accents in the lawn, a bit of patio shade, summer and autumnal foliage colors, for some flowers and berries, winter twig and bark pattern. Plant these just for enjoyment, seeing them and watching them grow! Where a yard is small or an overhead utility line comes into play there is still room for these. These can be added for a windbreak layer in larger suburban or rural settings.
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Bigtooth Maple (Acer granidentatum)
An outstanding Wyoming native, considered a small tree or large shrub, with five-lobed dark green leaves turning shades of yellow, orange, or red in the fall. Our seed source for these trees come from the sunny dry slopes of the Hoback in Teton County! Ecologists believe that this maple and the Sugar Maple of the N.E. US are essentially the same tree but developed separately as the ice ages came and went. This maple has not been in the trade until recently, be the first to grow this specimen tree! Tolerates drought and poor soils.
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Height: 25-30’ Width: 20 -25’ Shape: Broad rounded |
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Zone 3 |
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Full sun to partial shade |
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Size: 5 Gallon |
AGBM-T |
Cost: $53 |
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Size: 10 Gallon |
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Cost: $133 |
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New! Oak Leaf Mountain Ash (Sorbus hybrida)
This cross of European and Swedish Mountain Ash is longer lived than the native species and has been thriving on decades of inattention at the Cheyenne Experiment Station. Grey-green lobed oak-shaped leaves provide yellow fall color. Flat white flower clusters are showy in late spring and the resulting red berry clusters persist through winter unless waxwings or other birds come for a feast. Fireblight resistance is good. Plant in our typically alkaline soil but not in the most exposed site and never in a water-logged site.
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Height: 30’ Width: 17’-20’ Shape: Upright oval |
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Zone 3 |
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Full Sun to part shade |
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Size: 10 Gallon |
SHOL-T |
Cost: $89 |
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New! Tower Poplar (Populus x canescens ‘Tower’)
Do you need privacy for a skinny space? This narrow, columnar tree has green leaves with silvery undersides and golden yellow fall color. Of course it grows quickly, is seedless, is hardy and healthy. Don’t compare this one to the thick trunked, branch shedding short-lived Lombardy that dies young and leaves a wide stump. Uses: Small space windbreak, screen, vertical accent plant
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Height: 33’ Width: 8’ Shape: Narrow column |
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Zone 2 |
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Full Sun to part sun |
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Size: 5 Gallon |
PCTP-T |
Cost: $46.50 |
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Size: 10 Gallon |
PCTP-T |
Cost: $89 |
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Mountain Ash Cardinal Royal (Sorbus aucuparia ‘Michred’)
An improved selection of Mountain Ash that for years and years has avoided getting Fireblight when other varieties and species have been lost to this disease! An excellent yard accent with flat white flower clusters in May that become red fruit cluster in autumn and hang on till the birds eat them in winter! The leaves are the classic dark green pinnately compound leaves with silvery undersides. Autumn color is russet red! In winter, you can still enjoy the narrow oval twig and branch form. Avoid tight soils if over-watered!
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Height: 20—30’ Width: 15—20’ Shape: Narrow oval |
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Zone 2 |
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Full Sun to part shade |
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Size: 15 Gallon |
SAMA-T |
Cost: $169 |
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Deer damage is ugly and may be deadly. When rut comes in fall and through the winter bucks rub on thin barked trees to show territorial claims. On multi-stemmed shrubs the result is usually only annoying but on a tree with one irreplaceable trunk damage is permanent and weakens or kills the tree. You may cage trees or put flexible translucent covers like drain pipe slit lengthwise over the trunk from the ground to the lower branches. Two important considerations are not to girdle the tree by caging tightly and to use translucent covers if you choose to protect only the trunk. Thin barked trees photosynthesize through the trunk whenever a warmer winter day comes along. Our efforts should not cancel this beneficial action. (Also avoid light-blocking tree wrap sold to prevent deer damage and frost cracks. “Frost cracks” are really the result of root damage .)
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Western River Birch (Betula occidentalis) A beautiful native with glossy, burgundy bark dotted with white lenticels! Found
along the lower parts of mtn streams, this is one of the most gorgeous native trees in Wyoming! This Birch is the only one we
recommend—it has built in insect resistance. Multi-stemmed and grown as an accent or under story tree along streams or near
downspouts and watered lawns.
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Height: 15-20’ Width: 15’-20’ Shape: Broad rounded |
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Zone 3 |
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Full sun to part shade |
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Size: 5 Gallon |
BOWR-T |
Cost: $46 |
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Size: 15 Gallon |
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Cost: $141 |
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Canada Red Chokecherry (Prunus virginiana ’Canada Red’)
Durability and adaptability in a tree with extra color thrown in, too! New growth changes from green to burgundy-red by early summer. Classic chokecherry blossom racemes appear in early May and ripen to purple fruit which will be eaten by birds faster than a jelly-maker can pick them. With a moderate growth rate and allowing suckers to grow Canada Red forms a very decorative screen or windbreak. Works almost everywhere!
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Height: 20-25’ Width: 18-20’ Shape: Broad oval |
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Zone 2 |
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Full sun |
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Size: 5 Gallon |
PVCR-T |
Cost: $64 |
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Size: 15 Gallon |
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Cost: $168 |
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Establishment is the time frame during which a plant is spreading its root system and becoming ballanced in the ability of top and roots to support each other. A one gallon container-grown plant will take about a year to establish. Woody shrub plants in a 3 to 5-gallon container may need two years to become truly established. Container grown trees follow a rule-of-thumb of one year for transpanting and an additional year for each inch of trunk diameter. In five years time the container grown tree will look better and possibly be bigger than the balled-and-burlap that has struggled while trying to get established.
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