Tree Selection for Higher Elevations - Forestry - Utah State University

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<strong>Higher</strong> elevation means (almost always):• Lower low temperatures (winter) (- tree effect)• Lower high temperatures (summer) (+ -)• Shorter growing season (later, earlier frosts) (-)• Snow lasts longer, soils dry out slower (- +)• Increased precipitation (summer and total) (+)• Decreased ET (lower summer temp, higher humidity) (+)• Increased climate fluctuations (~)
Temperature• 5F decrease per 1,000’ (adiabatic cooling)– From SLC at 4,200’ to Park City at 9,000’ can get a 24Ftemperature drop• 1F decrease per degree latitude north– From Bluff at about 37 latitude to Logan at about 42 latitudecan get a 5F temperature drop (same elevation)• So, <strong>Utah</strong> gets cooler as you go up in elevation and as yougo farther north
Page 1 and 2: Tree Selectionfor Higher Elevations
Page 3 and 4: Why is elevation an issue in Utah?
Page 5 and 6: How much of an issue is growing lan
Page 7: How high elevationaffects trees•
Page 11 and 12: Cooler minimumtemperatures-43.6F-40
Page 13 and 14: Snow lastslongerAverage snowfall (i
Page 15 and 16: DecreasedETAverage PET (inches)(sou
Page 17: Relief/aspect
Page 20 and 21: Poorer soils(arability)(source www.
Page 22 and 23: So, what is a“higher elevation”
Page 24 and 25: USDA Hardiness ZonesSummit & Wasatc
Page 26 and 27: Calculatedhardiness zones-43.6F (2b
Page 28 and 29: Selection criteria• Tolerance of
Page 30 and 31: Trees for high elevations in Utah -
Page 40 and 41: canyon maple (Acer grandidentatum;
Page 42 and 43: Tatarian maple (Acer tataricum; Zon
Page 44 and 45: curlleaf mountain-mahogany (Cercoca
Page 46 and 47: Washington hawthorn (Crataegus phae
Page 48 and 49: ginkgo (Ginkgo biloba; Zone 3)
Page 50 and 51: yellow-poplar (Liriodendron tulipif
Page 52 and 53: star magnolia (Magnolia stellata; Z
Page 54 and 55: white oak (Quercus alba; Zone 3)
Page 56 and 57: English oak (Quercus robur; Zone 4)
Page 58 and 59:
Japanese tree lilac (Syringa reticu
Page 60 and 61:
white fir (Abies concolor) foliage*
Page 62 and 63:
European larch (Larix decidua; Zone
Page 64 and 65:
Serbian spruce (Picea omorika; Zone
Page 66 and 67:
Japanese red pine (Pinus densiflora
Page 68 and 69:
ponderosa pine (Pinus ponderosa; Zo
Page 70 and 71:
References• Books- Dirr, Manual o
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Tree Selection for Higher Elevations - Forestry - Utah State University

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