Pages from Attachment 5c - HAFB Landscape Standards - 06 27 2017-3.pdf

Landscape Standards Hanscom Air Force Base, MA SECTION 4 | pg. 4

Sorghastrum nutans Indian Grass

Chamaecrista fasciculata Partridge Pea

Elymus canadensis Canada Wild Rye

Elymus virginicus Virginia Wild Rye

Desmodium canadense Showy Tick Trefoil

Penstemon digitalis Beard Tongue

Rudbeckia hirta Black Eyed Susan

Coreopsis lanceolata Lance Leaved Coreopsis

Heliopsis helianthoides Ox Eye Sunflower

Verbena hastata Blue Vervain

Asclepias syriaca Common Milkweed

Helenium autumnale Common Sneezeweed

Monarda fistulosa Wild Bergamot

Zizia aurea Golden Alexanders

Aster laevis Smooth Blue Aster

Aster novae-angliae New England Aster

Eupatorium maculatum Spotted Joe Pye Weed

Eupatorium purpureum Purple Joe Pye Weed

Liatris spicata Spiked Gayfeather/Marsh Blazing Star

Tradescantia ohiensis Ohio Spiderwort

Baptisia australis Wild Blue False Indigo

Euthamia graminifolia Grass Leaved Goldenrod

Solidago juncea Early Goldenrod

Landscape Standards Hanscom Air Force Base, MA SECTION 4 | pg. 1

4 Plant Material Schedules

4.1 Recommended Plant Material

Large Tree

Acer rubrum Red Maple > 50 ft 30 - 50 ft 2" caliper

Acer saccharum Sugar Maple > 50 ft 30 - 60 ft 2" caliper

Betula nigra 'Heritage' River Birch > 50 ft 40 - 60 ft 2" caliper

Carpinus betulus European Hornbeam 35 - 50 ft 20 - 30 ft 2" caliper

Fagus grandifolia American Beech > 50 ft > 50 ft 2" caliper

Fraxinus pennsylvanica 'Summit' Green Ash > 50 ft > 50 ft 2" caliper

Ginkgo biloba (male only) Maidenhair Tree > 50 ft 30 -40 ft 2" caliper

Gleditsia triacanthos var. inermis Thornless Honeylocust 35 - 50 ft 35 - 50 ft 2" caliper

Juniperus virginiana ‘Emerald Sentinel’ Eastern Redcedar 10 - 20 ft 8 -10 ft 4 - 5 ft

Larix laricina American Larch > 50 ft 15 - 30 ft 2" caliper

Nyssa sylvatica Black Tupelo 35 - 50 ft 20 -30 ft 2" caliper

Picea abies Norway Spruce > 50 ft 25 - 30 ft 3 - 4 ft

Picea glauca White Spruce > 50 ft 10 - 20 ft 4 - 5 ft

Pinus strobus White Pine > 50 ft 20 - 40 ft 2 - 3 ft

Quercus palustris Pin Oak > 50 ft 40 - 60 ft 2" caliper

Quercus rubra Red Oak > 50 ft > 50 ft 3 - 4 ft

Thuja occidentalis ‘Techny’ Eastern Arborvitae 10 - 20 ft 6 - 10 ft 2 - 3 ft

Botanical Name Common Name Mature Height Mature

Width

Minimum

Size

Small Tree

Acer ginnala Amur Maple 10 - 20 ft 10 - 20 ft

Amelanchier × grandiflora 'Autumn Brilliance' Apple Serviceberry 15 - 25 ft 15 - 25 ft 2 - 3 ft

Cornus kousa Kousa Dogwood 15 - 25 ft 15 - 25 ft 5 -6 ft

Crataegus phaenopyrum Washington Hawthorn 25 - 30 ft 25 - 30 ft

Magnolia x loebneri ‘Merrill’ Loebner Magnolia 20 - 35 ft 20 - 35 ft 5 - 6 ft malus sargentii Sargent Crabapple 6 - 8 ft 10 - 15 ft 5 - 6 ft

Malus ‘Donald Wyman’ Flowring Crabapple 10 - 20 ft 17 - 22 ft 5 - 6 ft

Prunus sargentii Sargent Cherry 20 - 35 ft 20 - 35 ft 2" caliper

Stewartia pseudocamellia Japanese Stewartia 20 - 35 ft 8 - 25 ft 3 - 4 ft

Syringa reticulata Japanese Tree Lilac 20 - 35 ft 15 - 20 ft 2" caliper

Botanical Name Common Name Mature Height Mature

Width

Minimum

Size

Landscape Standards Hanscom Air Force Base, MA SECTION 4 | pg. 2

4.2 Recommended Sod Mixture

Seed Varity Proportion by Weight

Tall Fescue

(Minimum 3 varieties)

70%

Kentucky Bluegrass

(Minimum 2 varieties)

20%

Perennial Rye Grass

(Minimum 2 varieties)

10%

Shrub

Clethra alnifolia 'Campacta' Summersweet 3 - 4 ft 3 - 4 ft 3 -4 ft

Fothergilla gardenii Dwarf Forthergilla 1- 3 ft 2 - 4 ft 2 - 3 ft

Ilex glabra ‘Compacta’ Inkberry 3 - 4 ft 4 - 6 ft 2 - 3 ft

Ilex verticillata ‘Red Sprite’ Red Sprite Winterberry 2 - 3 ft 2 - 3 ft 2 - 3 ft

Itea virginica ‘Little Henry’ Sweetspire 1- 2 ft 2 - 3 ft 2 - 3 ft

Kalmia latifolia Mountain Laurel 10 - 20 ft 5 - 15 ft 2 - 3 ft

Myrica pensylvanica Northern Bayberry 5 - 10 ft 5 - 10 ft 2 - 3 ft

Viburnum × carlcephalum 'Cayuga' Compact Mayflower Viburnum 4 - 8 ft 5 - 10 ft 2 - 3 ft

Botanical Name Common Name Mature Height Mature

Width

Minimum

Size

Ground Cover

Arctostaphylos uva-ursi Common Bearberry 6 - 12 in 3 - 6 ft #1 container

Cotoneaster dammeri 'Streibs Findling' Bearberry Cotoneaster 6 - 9 in 3 - 6 ft #3 container

Juniperus horizontalis ‘Blue Rug’ Blue Rug Juniper 3 - 6 in 6 - 8 ft #3 container pachysandra terminalis Japanese Spurge 6 - 12 in 1 - 2 ft #3 container

Vaccinium angustifolium Lowbush Blueberry 6 - 24 in 1 - 2 ft #1 container

Vinca minor Periwinkle 3 - 6 in 1 - 2 ft #1 container

Botanical Name Common Name Mature Height Mature

Width

Minimum

Size

Landscape Standards Hanscom Air Force Base, MA SECTION 4 | pg. 3

4.3 Recommended Lawn Seed Mixture

Seed Varity Proportion by Weight

Germination

Minimum

Purity

Minimum

Tall Fescue

(Minimum 3 varieties)

33% 90% 95%

Kentucky Bluegrass

(Minimum 2 varieties)

33% 90% 95%

Perennial Rye Grass

(Minimum 2 varieties)

33% 90% 95%

4.4 Recommended Meadow Mix Seed Mixture

Botanical Name Common Name

Elymus canadensis Canada Wild Rye

Schizachyrium scoparium Little Bluestem

Festuca rubra Creeping Red Fescue

Andropogon gerardii Big Bluestem

Sorghastrum nutans Indian Grass

Chamaecrista fasciculata Partridge Pea

Panicum virgatum Switch Grass

Rhus typhina Staghorn Sumac

Cornus amomum Silky Dogwood

Cornus racemosa Grey Dogwood

Asclepias syriaca Common Milkweed

Zizia aurea Golden Alexanders

Desmodium canadense Showy Tick Trefoil

Lespedeza capitata Bush Clover/Roundhead Lespedeza

Heliopsis helianthoides Ox Eye Sunflower

Monarda fistulosa Wild Bergamot

Rudbeckia hirta Black Eyed Susan

Aster laevis Smooth Blue Aster

Euthamia graminifolia Grass Leaved Goldenrod

Solidago juncea Early Goldenrod

Schizachyrium scoparium Little Bluestem

Festuca rubra Creeping Red Fescue

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Arctostaphylos uva-uris (Common Bearberry)

Contoneaster dammeri ‘Streibs Findling’ (Bearberry Cotoneaster)

Juniperus horizontalis ‘Blue Ring’ (Blue Rug Juniper)

Mature Height

6-12 inches

Mature Width

3-6 feet

Water Requirement

Dry to medium

Sun

Full sun to part shade

Tolerates

Erosion

Culture

Grow in acidic, dry to medium, well-drained, sandy or gritty soils in full sun.

Tolerates light shade. Usually grows well in poor infertile soils. Plants should not be fertilized. Drought tolerant once established. Likes exposed open sites.

Maintenance

Low

6-9 inches

3-6 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Drought, erosion

Culture

Best grown in moist, loamy, sharply-drained soils in full sun to part shade. Requires little supplemental watering once established.

Prune to shape as needed (planting spreads and often becomes ragged over time).

Maintenance

Medium

3-6 inches

6-8 inches

Water Requirement

Medium

Sun

Full sun

Tolerates

Deer,drought, erosion, dry soil, shallowrocky soil, air pollution

Culture

Grow in average, medium moisture, well drained soils in full sun. Adapts to a wide range of soils, but prefers a dryish, sandy soil. Tolerates hot, relatively dry growing conditions, somewhat poor soils and many city air pollutants. Intolerant of wet soils.

Maintenance

Low

Ground Cover

p. 1

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Pachysandra terminalis (Japanese Spurge)

Vaccinium angustifolium (Lowbush Blueberry)

Vinca minor (Periwinkle)

6-12 inches

1-2 feet

Water Requirement

Medium

Sun

Part shade to full shade

Tolerates

Rabbit,deer, drought, heavy shade,erosion, clay soil, dry soil

Culture Best grown in organically rich, medium moisture, well-drained soils in part shade to full shade. Foliage tends to bleach when grown in too much sun. Plants thrive in sun dappled shade under large trees. For use as a ground cover, set starter plants 6-12” apart. Plants will spread by rhizomes to form large colonies. Avoid overhead watering and thin plants periodically to promote good air circulation.

Maintenance

6-24 inches

Water Requirement

Medium to wet

Mature Width

1-2 feet

Sun

Full sun to part shade

Tolerates

N/A

Culture

Best grown in acidic, peaty, organically rich, medium to wet, well-drained soils in full sun to part shade. Shallow, fibrous roots need constant moisture and good drainage. Plants appreciate a good organic mulch. Although blueberries are self-fertile, cross-pollination produces the best fruit crop.

Maintenance

3-6 inches

1-2 feet

Water Requirement

Dry to medium

Sun

Full sun to part shade

Tolerates

Deer,drought, erosion, dry soil, shallow-rocky soil

Culture

Easily grown in average, dry to medium, well drained soil in full sun to part shade.

Tolerates close to full shade. Prefers moist, humusy soils in part shade. Plant 8” apart for quick cover of smaller areas.

Maintenance

Medium

Ground Cover

p. 2

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Clethra alnifolia ‘Compacta’ (Summersweet)

Fothergilla gardenii (Dwarf Forthergilla)

Ilex glabra ‘Compacta’ (Inkberry)

3-4 feet

3-4 feet

Water Requirement

Medium to wet

Sun

Full sun to part shade

Tolerates

Heavy shade, erosion, clay soil, wet soil

Culture

Easily grown in average, medium to wet soils in full sun to part shade. Prefers part shade and consistently moist, acidic, sandy soils. Soils should not be allowed to dry out. Tolerates clay soils.

Tolerates full shade. Promptly remove root suckers unless naturalized look is desired.

Maintenance

1-3 feet

2-4 feet

Water Requirement

Medium

Sun

Full sun to part shade

Tolerates

Wet soil

Culture

Best grown in moist, acidic, organically rich, well-drained soils in full sun to part shade. Best flowers occur in full sun, but plants appreciate some afternoon shade in hot and dry summer climates.

Performs well in sandy loams. Avoid heavy soils. Plants may spread by root suckers to form colonies if suckers are not promptly removed.

Maintenance

3-4 feet

4-6 feet

Water Requirement

Medium to wet

Sun

Full sun to part shade

Tolerates

Rabbit,deer, erosion, wet soil, air pollution

Culture Easily grown in average, medium to wet soils in full sun to part shade. Adaptable to both light and heavy soils. Tolerates wet soils. Prefers rich, consistently moist, acidic soils in full sun. Good shade tolerance, however. Avoid neutral to alkaline soils. Inkberries are dioecious (separate male and female plants).

Maintenance

Low

Shrubs

p. 3

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Ilex verticillata ‘ Red Sprite’ (Red Sprite Winterberry)

Itea virginica ‘Little Henry’ (Sweetspire)

Kalmia latifolia (Mountain Laurel)

2-3 feet

2-3 feet

Water Requirement

Medium to wet

Sun

Full sun to part shade

Tolerates

Erosion, clay soil, wet soil, air pollution

Culture Easily grown in average, acidic, medium to wet soils in full sun to part shade.

Adaptable to both light and heavy soils, but prefers moist, acidic, organic loams.

Good tolerance for poorly drained soils including wet boggy or swampy conditions. Winterberries are dioecious (separate male and female plants).

Maintenance

1-2 feet

2-3 feet

Water Requirement

Medium to wet

Sun

Full sun to part shade

Tolerates

Heavy shade, erosion, clay soil, wet soil

Culture

Easily grown in average, medium to wet, well-drained soil in full sun to part shade. Adaptable to shade. Prefers moist, humusy soils, but tolerates a wide range of soil conditions. Can form dense colonies by root suckering if left unchecked.

Maintenance

10-20 feet

5-15 feet

Water Requirement

Medium

Sun

Part Shade

Tolerates

Rabbit, deer

Culture Best grown in cool, moist, rich, acidic, humusy, well-drained soils in part shade. Mulch to retain moisture and keep root zones cool. Plants tolerate from a wide range of light conditions (full sun to full shade, but are best in part shade (morning sun with early to mid-afternoon shade).

Maintenance

Medium

p. 4

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Myrica Pensylvanica (Northern Bayberry)

Viburnum x carlcephalum ‘Cayuga’ (Compact Mayflower Vibur)

5-10 feet

5-10 feet

Sun

Full sun to part shade

Tolerates

Drought, erosion, wet soil

Maintenance

4-8 feet

5-10 feet

Sun

Full sun to part shade

Tolerates

Drought

Culture

Easily grown in average, medium, well drained soil in full sun to part shade.

Prefers moist loams, but tolerates a wide range of soils and has good drought tolerance. Prune as needed immediately after flowering, however pruning off spent flowers will eliminate summer fruit display.

Maintenance

Low

Culture Easily grown in average, dry to medium, well-drained soils in full sun to part shade. Prefers moist, peaty or sandy, acidic soils, but tolerates a wide range of soils and growing conditions, including poor soils, wet soils, drought, high winds and salt spray (road salt conditions). Groupings of plants need a least one male plant to facilitate pollination of the female plants and subsequent fruit set.

p. 5

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Acer ginnala (Amur Maple)

Amelanchier x grandiflora ‘Autumn Brillian’ (Apple Serviceberry)

Cornus kousa ( Kousa Dogwood)

10 - 20 feet

10 - 20 feet

Water Requirement

Medium

Sun

Full sun to part shade

Tolerates

Drought, clay soil

Culture

Easily grown in moist, organically rich, well-drained soils in full sun to part shade.

Performs well in full sun or bright, sun-dappled locations. Some tolerance for drought. Best performance occurs in areas with cool summer climates. Transplants easily.

Maintenance

15 - 25 feet

Medium

Mature Width

15 -25 feet

Sun

Full sun to part shade

Tolerates

N/A

Culture

Easily grown in average, medium moisture, well-drained soil in full sun to part shade.

Tolerant of a somewhat wide range of soils, but prefers moist, well-drained loams. Root suckers are common, and if not removed, will result in a shrubby growth habit for the plant.

Maintenance

15 - 25 feet

15 -25 feet

Water Requirement

Medium

Sun

Full sun to part shade

Tolerates

Deer

Culture

Best grown in humusy, organically rich, medium moisture, acidic to neutral, well-drained soils in full sun to part shade.

Performs well in sandy loams. Appreciates regular moisture during hot summers.

Maintenance

Low

Small Trees

p. 6

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Crataegus phaenopyrum (Washington Hawthorn)

Magnolia x loebneri ‘Merrill’ (Loebner Magnolia)

Malus sargentii (Sargent Crabapple)

25 - 30 feet

25 - 30 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Air pollution

Culture

Best grown in moist but well-drained soils in full sun. Tolerates light shade.

Maintenance

20 - 35 feet

Medium

Mature Width

20 - 35 feet

Sun

Full sun to part shade

Tolerates

N/A

Culture Best grown in moist, organically rich, well-drained loams in full sun to part shade.

Generally intolerant of soil extremes (dry or wet). Intolerant of most urban pollutants. May take 3-4 years before first blooms appear. Best sited in a protected location, because early spring frosts can damage flowers.‘Merrill’ is noted for its good winter hardiness.

Maintenance

6 - 8 feet

10-15 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Clay soil, air polution

Culture Best grown in medium moisture, well-drained, acidic loams in full sun. Adapts to a wide range of soils. Established trees have some drought tolerance. Although some flowers may be lost, it is best to prune this tree as needed in late winter. Spring pruning should be avoided as it produces fresh, open cuts where fireblight bacterium can enter.

Maintenance

Low

p. 7

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Malus ‘ Donald Wyman’ (Flowring Crabapple)

Prunus sargentii (Sargent Cherry)

Stewartia pseudocamellia (Japanese Stewartia)

17 - 22 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Air pollution

Culture Best grown in medium moisture, well-drained, acidic loams in full sun. Adapts to a wide range of soils. Established trees have some drought tolerance. Although some flowers may be lost, it is best to prune this tree as needed in late winter. Spring pruning should be avoided as it produces fresh, open cuts where fireblight bacterium can enter.

Maintenance

Medium

Mature Width

20 - 35 feet

Sun

Full sun to part shade

Tolerates

N/A

Culture

Grow in average, medium moisture, well-drained soils in full sun to part shade. Best in full sun. Somewhat intolerant of high heat and humidity.

Maintenance

8 - 25 feet

Water Requirement

Medium

Sun

Full sun to part shade

Tolerates

N/A

Culture

Best in moist, organically rich, well-drained soils in full sun to part shade.

Maintenance

Low

p. 8

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Syringa reticulata (Japanese Tree Lilac) Mature Height

15 - 20 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Deer, clay soil

Culture Easily grown in average, medium moisture, well-drained soil in full sun. Tolerates light shade, but best bloom occurs in full sun.

Prefers organically rich, moist, slightly acidic soils with good drainage. Needs good air circulation. Tolerates urban conditions well. Prune as needed immediately after flowering.

Maintenance

Low

p. 9

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 p. 10

Acer rubrum ( Red Maple)

Acer saccharum ( Sugar Maple)

Betula nigra ‘Heritrage’ (River Birch)

> 50 feet

30 - 50 feet

Water Requirement

Medium to wet

Sun

Full sun to part shade

Tolerates

Wet soil, air pollution

Culture

Easily grown in average, medium to wet, well-drained soil in full sun to part shade. Tolerant of a wide range of soils, but prefers moist, slightly acid conditions. Very cold hardy.

Maintenance

>50 Feet

30 - 60 feet

Water Requirement

Medium

Sun

Full sun to part shade

Tolerates

Heavy shade

Culture

Easily grown in average, medium moisture, well-drained soil in full sun to part shade. Best in fertile, slightly acidic, moist soils in full sun. Grows poorly in compacted, poorly drained soils. Intolerant of road salt. Generally intolerant of urban pollution.

Maintenance

>50 Feet

40 - 60 feet

Water Requirement

Medium to wet

Sun

Full sun to part shade

Tolerates

Deer, drought, clay soil, wet soil, air pollution

Culture Easily grown average, medium to wet soils in full sun to part shade. River birch is perhaps the most culturally adaptable and heat tolerant of the birches. Prefers moist, acidic, fertile soils including semi-aquatic conditions, but also tolerates drier soils. Consider using soaker hoses and bark mulches to keep the root zones cool and moist.

Maintenance

Large Trees

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Fagus grandifolia (American Beech)

Fraxinus pennsylvanica ‘Summit’ ( Green Ash)

>50 feet

>50 feet

Water Requirement

Medium

Sun

Full sun to part shade

Tolerates

Air pollution

Culture Easily grown in medium moisture, well-drained soils in full sun to part shade.

Needs little pruning when grown as a tree, but responds well to hard pruning if grown as a hedge. Best pruned during the period of late summer to mid-winter to avoid significant bleeding.

Maintenance

35 - 50 feet

20-30 feet

Water Requirement

Medium

Sun

Full sun to part shade

Tolerates

Deer, black walnut

Culture

Best grown in deep, rich, moist but well-drained soils in full sun to part shade. Intolerant of wet, poorly drained soils. Difficult to transplant and does not always grow well in urban settings.

Maintenance

>50 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Deer, air pollution

Culture

Easily grown in average, medium wet, well-drained soils in full sun. Prefers consistently moist, humusy loams, but established trees demonstrate adaptibility to a wide range of soils and growing conditions. Female trees produce abundant seed crops in some years.

Maintenance

Medium

Carpinus betulus (European Hornbeam)

p. 11

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Ginkgo biloba (male only) (Maidenhair Tree) Mature Height

30 - 40 feet

Sun

Full sun

Tolerates

Deer, clay soil, air pollution

Culture

Easily grown in average, medium moisture soil. Prefers moist sandy, well drained soil. Tolerates a wide variety of soil conditions including both alkaline and acidic soil and compacted soils.

Also tolerates saline conditions, air pollution and heat

Maintenance

Low

Water Requirement

Gleditsia Triacanthos var. inermis ( Thornless Honeylocust) Mature Height

35 - 50 feet

Sun

Full sun

Tolerates

Deer, drought, clay soil, black walnut, air pollution

Culture

Best grown in organically rich, moist, well-drained soils in full sun. Tolerant of a wide range of soils. Also tolerant of wind, high summer heat, drought and saline conditions.

Maintenance

Medium

Water Requirement

Juniperus virginiana ‘Emerald Sentinel’ ( Eastern Redcedar) Mature Height

8 - 10 feet

Sun

Full sun

Tolerates

Deer, Drought, Erosion, Dry Soil, Shallow-Rocky Soil, Black Walnut, Air Pollution

Culture

Easily grown in average, dry to moist, well-drained soils in full sun. Tolerates a wide range of soils and growing conditions, from swamps to dry rocky glades. Prefers moist soils but is intolerant of constantly wet soils. It has the best drought resistance of any conifer native to the eastern U.S.

Maintenance

Low

Water Requirement

Dry to medium

p. 12

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Larix laricina (American Larch)

Nyssa sylvatica ( Black Tupelo)

Picea abies (Norway Spruce)

15 - 30 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

N/A

Culture Best grown in moist, acidic, well-drained soils in full sun. Tolerates some light shade. Intolerant of full shade, dry soils and most city pollutants. Best performance is in temperatures with cool summers and cold winters.

Maintenance

20 -30 feet

Water Requirement

Medium to wet

Sun

Full sun to part shade

Tolerates

Clay soil, wet soil

Culture Easily grown in average, medium to wet soils in full sun to part shade. Prefers moist, acidic soils. Tolerates poorly-drained soils and can grow in standing water. On the other end of the spectrum, tolerates some drought and adapts to some dryish soils.

Female trees need a male pollinator to set fruit.

Maintenance

25 - 30 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Deer, air pollution

Culture

Easily grown in average, acidic, evenly moist, well-drained soils in full sun.

Performs well in rich sandy soils. Prefers cool summer climates. Established plants have some tolerance for dryish soils.

Maintenance

Low

p. 13

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Picea glauca ( White Spruce )

Pinus strobus (White Pine)

Quercus palustris ( Pin Oak)

10 - 20 feet

Water Requirement

Medium

Sun

Full sun

Tolerates

Deer

Culture Best grown in moist, well-drained soils in full sun. Tolerates some light shade. Best performance is in cold winter climates with cool summers. Site in areas with good air circulation to help rid the dense foliage of moisture. Somewhat intolerant of urban stresses such as air pollutants and salt spray. Plants will struggle in the high heat.

Maintenance

Medium

Mature Width

20 -40 feet

Sun

Full sun to part shade

Tolerates

Rabbit, deer

Culture

Easily grown in average, medium moisture, well-drained soil in full sun. Prefers full sun, fertile soils and cool, humid climates.

Tolerant of a wide range of soil conditions.

Intolerant of many air pollutants such as sulfur dioxide and ozone.

Maintenance

40 - 60 feet

Water Requirement

Medium to wet

Sun

Full sun

Tolerates

Wet soil

Culture

Easily grown in average, medium to wet, acidic soils in full sun. Prefers moist loams.

Tolerates poorly drained soils. Tolerates some flooding. May take up to 15-20 years for this tree to bear a first crop of acorns.

Maintenance

Medium

p. 14

Landscape Standards • Hanscom Air Force Base, MA • SECTION 4 Landscape Standards • Hanscom Air Force Base, MA • SECTION 4

Quercus rubra ( Red Oak)

Thuja occidentalis ‘Techny’ (Eastern Arborvitae)

>50 feet

Water Requirement

Dry to medium

Sun

Full sun

Tolerates

Drought, dry soil, black walnut, air pollution

Culture

Easily grown in average, dry to medium moisture, acidic soil in full sun. Prefers fertile, sandy, finely-textured soils with good drainage.

Maintenance

10-20 feet

Medium

Mature Width

6-10 feet

Sun

Full sun to part shade

Tolerates

Clay soil, black walnut, air pollution

Culture Grow in average, medium moisture, well-drained soils in full sun to part shade.

Somewhat wide range of soil tolerance, but prefers moist, neutral to alkaline, well-drained loams. Intolerant of dry conditions. Best in full sun, but generally appreciates some light afternoon shade in hot summer climates. Avoid full shade where foliage density will substantially decrease. exposed, windy sites.

Maintenance

Low

p. 15

Standard Planting Details 5