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Ginkgo biloba ginkgo SIZE: Medium HABIT: Pyramidal when young; wide spreading with age.

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Presentation on theme: "Ginkgo biloba ginkgo SIZE: Medium HABIT: Pyramidal when young; wide spreading with age."— Presentation transcript:

1 Ginkgo biloba ginkgo SIZE: Medium HABIT: Pyramidal when young; wide spreading with age

2 FOL: Bright green in summer; excellent, golden yellow in fall; leaves change uniformly and drop nearly simultaneously

3 BARK: Gray brown with darker furrows.

4 FL. & FR.: Dioecious; male catkins and female, fleshy yellow-tan cones in fall

5 CULTURE: VERY adaptable to all soils and pH; tolerates air pollution, heat and salt PESTS: NONE ! USE: Excellent urban and public area tree; a bit coarse textured for residential use

6 MISC.: Plant male clones... female cones are foetid; Fastigiata = a columnar cultivar; gymnosperm; 150 million years old; native?

7 Ginkgo biloba Princeton Sentry

8 Ginkgo biloba Sunstream

9 Aesculus hippocastanum horsechestnut SIZE: Medium HABIT: upright-oval to rounded

10 FOL: bronze-green when opening; dark green in summer; poor yellow fall color

11 BARK: Dark gray to brown with irregular plate-like scales.

12 FL. & FR.: white with a red-yellow blotch; terminal panicles 1 long in May (very showy); brown, spiny, 2 capsule in Oct.

13 CULTURE: pH adaptable; tolerates light shade; does not tolerate dry PESTS: Leaf blotch; leaf scorch

14 USE: Large areas; attract wildlife MISC.: Very popular in Europe with many cultivars available

15 Aesculus hippocastanum Baumanii

16 Aesculus hippocastanum Aurea

17 Carya ovata shagbark hickory SIZE: Large HABIT: Straight trunk with oblong crown (ascending/ oblong crown (ascending/ descending branches)

18 FOL: Medium green in summer; dark yellow in fall (incredible!)

19 BARK: Mature bark has a shaggy appearance with many long flat plates free at the base or both ends.

20 FL. & FR.: Monoecious; 2 oblong, smooth husk containing sweet nuts

21 CULTURE: Difficult... deep tap root (2 - 3 ft); slow growing PESTS: None serious USE: Naturalizing; attracts wildlife MISC.: Used to smoke ham/bacon. Amazing shaggy bark!

22 Cladrastis kentukea (lutea) American yellowwood SIZE: Medium HABIT: Low branched, somewhat vase- shaped with rounded crown

23 FOL: bright green in summer; golden yellow in fall

24 BARK: mature bark is smooth and gray, reminiscent of beech bark. The heartwood is yellow.

25 FL. & FR.: white, fragrant, pendulous, 1 long, terminal panicles in June

26 CULTURE: pH tolerant, prune only in summer (bleeder); can develop weak crotch angles PESTS: Few USE: Shade tree, good contrasting foliage color; residential ok MISC.: Yellow heartwood; bees frequent

27 Gleditsia triacanthos var. inermis thornless honeylocust SIZE: Medium (variable) HABIT: Open, spreading crown

28 FOL: Bright green in summer; yellow in fall

29 BARK: Reddish brown broken up into long ridges. Can have very abrasive thorns.

30 FL. & FR.: Polygamo-dioecious (mix of perfect and imperfect flowers), not showy; pod = reddish- brown, strap-like, 1.5 and twisted

31 CULTURE: Drought and wet tolerant; VERY salt tolerant; prefers basic soils PESTS: Spider mites; webworm, etc... USE: Lawn tree for filtered shade; pest- problems temper widespread use

32 MISC.: Moraine = a seedless cultivar; Ruby Lace = opens ruby-red and becomes purple-bronze; the species (G. triacanthos) has stout, branched thorns; overused as a replacement for American elms during the 50s and 60s

33 Gleditsia triacanthos var. inermis Ruby Lace

34 Gleditsia triacanthos var. inermis Emerald Kascade

35 Gymnocladus dioicus Kentucky coffeetree SIZE: Medium to Large HABIT: Narrow, obovate crown when young/male and rounded when mature/female

36 FOL: Leaves open pinkish-green then turn

37 BARK: Dark brown with distinctive wavy ridges.

38 FL. & FR.: Dioecious or Polygamo- dioecious (mix of perfect and imperfect flowers), greenish and not showy; pod = reddish-brown, strap-like, 6-8

39 CULTURE: Prefers deep, rich soils; adapats to basic soils, drought and urban conditions PESTS: None serious USE: Parks and large areas MISC.: One of the last trees to leaf-out in spring. seeds used by settlers as a substitute for coffee (when dried and ground); an outstanding native tree!

40 Robinia pseudoacacia black locust SIZE: Medium to large HABIT: Upright, serpentine trunk; unusual and striking when mature

41 FOL: Dull blue-green; no fall color

42 BARK: Very distinctive with deep furrows and large ridges.

43 FL. & FR.: Individual flowers are white and 1; very fragrant; in dense racemes 6 long in June; 4 long, flat, tan pods

44 CULTURE: Extremely adaptable; tolerates dry and salty conditions; does NOT tolerate wet sites; prune in summer (bleeder) PESTS: Canker, leaf spots, powdery mildew, leaf miner, etc... USE: Typically a trash tree; survives tough conditions MISC.: Bees produce an outstanding honey from this tree; Umbraculifera = umbrella- like canopy, 20, few flowers

45 Robinia pseudoacacia Purple Robe

46 Robinia pseudoacacia Umbraculifera

47 Robinia x slavinii Hillieri

48 Sophora japonica Japanese scholar-tree SIZE: Medium HABIT: Upright and spreading with rounded crown; open canopy

49 FOL: Medium green; leaves fall off green in the south but turn butter yellow here

50 BARK: Pale brown in color. Can be similar to black locust on mature plants.

51 FL. & FR.: White, sl. fragrant, in 1 long panicles in July (showy)

52 CULTURE: Sensitive to cold when first transplanted; established plants heat and drought tolerant; tolerate air and soil pollution PESTS: Leaf hoppers USE: Good for urban sites, poor soil, lawns; slightly messy MISC.: Used around Buddhist temples; underutilized

53 Sophora japonica Pendula

54 Liriodendron tulipifera tuliptree SIZE: Large HABIT: Pyramidal when young; oval when mature with few lower branches oval when mature with few lower branches

55 FOL: bright green in summer; golden yellow in fall

56 BARK: Grayish brown with interlacing furrows.

57 FL. & FR.: Petals have a greenish-yellow exterior and an orange interior, upright, cup-shaped flower 5tall; fruit = aggregate of samaras (not showy)

58 CULTURE: pH adaptable; fleshy and poor root system; does NOT tolerate drought PESTS: Leaf scorch; aphids (sooty mold); leaf spots USE: Large areas; naturalizing; in groups MISC.: Weak-wooded; will yellow and defoliate first in a drought

59 Liriodendron tulipifera Medio-Pictum

60 Liriodendron tulipifera Arnold

61 Liriodendron tulipifera Aureomarginata

62 Magnolia acuminata cucumbertree magnolia SIZE: Medium HABIT: Pyramidal when young; elliptical when mature elliptical when mature

63 FOL: Dark green in summer; fall green or brown

64 BARK: Gray brown with some ridges and furrows at maturity.

65 FL. & FR.: Petals greenish-yellow, 3 long, sl. fragrant, in June (not showy); Aggregate of follicles (cucumber-like)

66 CULTURE: Tolerates alkaline soils; does NOT tolerate wet or dry sites; NOT pollution tolerant; fleshy roots PESTS: None USE: Large areas, naturalizing MISC.: Outstanding plant according to 1998 Cary Award plants for New England; underutilized

67 Morus alba common mulberry SIZE: Medium HABIT: Extremely dense canopy, rounded crown

68 FOL: Variable, typically a good dark lustrous green; fall color variable, green to yellow

69 BARK: Younger stems have an orange cast to the bark. Mature plants exhibit a more brown color.

70 FL. & FR.: Polygamo-dioecious, catkins; fruit = fleshy multiple drupes, white, pink, purple, 3/4, edible

71 CULTURE: Tolerates salt (air and soil); tolerates drought; tolerates partial shade; soils adaptable PESTS: Few in the Northeast USE: Large areas, naturalizing; trash tree; attracts wildlife

72 MISC.: Fruit stains; cathartic; imported from China for silkworm industry; Chaparral is weeping and fruitless, Pendula is weeping with fruit

73 Morus alba Pendula

74 Nyssa sylvatica black gum SIZE: Medium HABIT: Pyramidal when young; dense, horizontal branches and rounded when mature

75 FOL: Dark, lustrous green in summer; fall color is outstanding! fluorescent yellow, orange, scarlet, purple

76 BARK: Quite variable, often broken into thick irregular blocks. Mature bark can have an alligator hide appearance.

77 FL. & FR.: Polygamo-dioecious; fruit = oblong drupes, 1/2, edible by wildlife

78 CULTURE: Difficult to transplant (taproot); prefers acidic, MWDS; full sun or partial shade PESTS: Cankers and leaf spots USE: Specimen tree; street tree in rural or suburban sites; naturalizing MISC.: One of the best native trees for consistent fall color!

79 Fraxinus americana white ash SIZE: Large HABIT: pyramidal when young; upright and rounded when mature

80 FOL: Medium green; sometimes yellow but typically purple/maroon in fall

81 BARK: Gray in color, forming straight ridges and furrows.

82 FL. & FR.: Dioecious; not showy; fruit = clusters of pendulous, tan samaras

83 CULTURE: Soil adaptable; pH adaptable, prefers MWDS (less tolerant of adverse conditions than F. pennsylvanica ) PESTS: leaf spots, cankers, ash borer, galls, scale, etc… Phytoplasms = ash yellows PESTS: leaf spots, cankers, ash borer, galls, scale, etc… Phytoplasms = ash yellows Phytoplasmas are minute wall-less bacteria that inhabit the phloem of diseased plants USE: Lawns, woodlands, large areas MISC.: Junginger = Autumn Purple ® a female cultivar with oval form and excellent purple fall color; other cultivars available Ash yellows: Ash yellows:

84 Fraxinus pennsylvanica green ash SIZE: Medium HABIT: pyramidal when young; irregular to rounded when mature

85 FOL: Medium green; yellow in fall

86 BARK: Similar to white ash but ridges arent as straight and bark doesnt appear to be as clean.

87 FL. & FR.: Dioecious; not showy; fruit = clusters of pendulous, tan samaras

88 CULTURE: Soil adaptable; tolerates high pH, salt, drought, and poor soils PESTS: leaf spots, cankers, ash borer, galls, scale, etc... USE: Lawns, street tree,...; over-planted MISC.: Marshalls Seedless = a male cultivar; other cultivars available

89 Emerald Ash Borer Emerald ash borer - Agrilus planipennis - is a new insect in the US from AsiaEmerald ash borer - Agrilus planipennis - is a new insect in the US from Asia

90 Emerald Ash Borer

91 Planted as a replacement for American Elms on this street, American Elms on this street, the ash are now also in decline the ash are now also in decline Epicormic shoot growth

92 Platanus x acerifolia Bloodgood Bloodgood London planetree SIZE: Large HABIT: Pyramidal and open when young; wide-spreading, open crown when mature

93 FOL: Medium green; tan-brown in fall

94 BARK: Very ornamental, olive green to cream colored exfoliating bark.

95 FL. & FR.: Monoecious; not showy; fruit = syncarp (multiple fruit) in a 1.5 round globe (in 2s); disperses in October (fluff)

96 CULTURE: Soil adaptable; tolerates basic soils, air pollution (except ozone), heat, drought, and severe pruning PESTS: Canker, powdery mildew USE: Large open areas MISC.: Messy... bark exfoliates in plates in Spring, fruits disperse seeds in early fall, and foliage drops without fall color

97 Platanus occidentalis American planetree SIZE: Large HABIT: Pyramidal and open when young; wide- spreading, open crown when mature

98 FOL: medium green; tan-brown in fall

99 BARK: Scaly near the base, exfoliating on upper trunk exposing white inner layers.

100 FL. & FR.: Monoecious; not showy; fruit = syncarp (multiple fruit) in a 1.5 round globe; disperses in October (fluff)

101 CULTURE: Soil adaptable; tolerates basic soils, air pollution, and light shade PESTS: Canker, powdery mildew USE: Large open areas; naturalizing MISC.: Messy... bark exfoliates in plates in Spring, fruits disperse seeds in early fall, and foliage drops without reward

102 Prunus sargentii Sargent cherry SIZE: Medium HABIT: Vase-shaped when mature

103 FOL: New foliage is reddish; lustrous, dark green in summer; bronze to red fall color

104 BARK: Rich polished maroon to chestnut brown. Prominent lenticels.

105 FL. & FR.: Single, pink 1.5 across, clustered in umbels in May; fruit = 1/3 purple-black drupe in July

106 CULTURE: Tolerates partial shade; tolerates pruning PESTS: Few USE: Lawn tree; specimen; attracts wildlife MISC.: Beautiful polished red-chestnut brown bark

107 Prunus sargentii Columnaris

108 Pyrus calleryana Bradford Bradford pear SIZE: Medium HABIT: Conical/pyramidal when young; upright oval when mature

109 FOL: Very dark, glossy green foliage; scarlet and purple in fall

110 BARK: Lightly ridged and furrowed. Grayish brown at maturity.

111 FL. & FR.: White, 1/2 across, in corymbs in May before foliage, malodorous; fruit = 1/2 round, tan pome (not showy)

112 CULTURE: Soil adaptable; tolerates drought; tolerates air pollution PESTS: Resistant to fireblight (bacteria) USE: Street tree, lawn tree; overused! MISC.: Found all over the country!!! Tight crotch angles that are subject to splitting in ice or storms

113 Phellodendron amurense amur corktree SIZE: Medium HABIT: Broad spreading with a short trunk, open and rounded crown crown

114 FOL: Lustrous, medium green; yellow in fall

115 BARK: Distinctly ridged and furrowed on mature bark. Gray-brown in color.

116 FL. & FR.: Dioecious; not showy; fruit = 1/2 black drupe in October (female)

117 CULTURE: Soil adaptable; tolerates air pollution PESTS: None; leaf scorch USE: Parks and large areas; NOT a good street tree MISC.: May be added to the weedy tree list out West. Not a problem in Vermont

118 Populus alba white poplar SIZE: Medium HABIT: Broad spreading, open and rounded crown

119 FOL: Dark green above and silver-white below; no fall color

120 BARK: Light green to whitish with darker blotches. Mature trunks can become dark with deep furrows.

121 FL. & FR.: Dioecious; not showy; fruit = 3-4 catkin containing capsules (female)

122 CULTURE: Easy to grow! Soil adaptable; tolerates air pollution, pH, and salt spray; prune in summer/fall (bleeds if pruned in winter/spring) PESTS: Canker, leaf spots, aphids, etc. USE: Parks and large areas; NOT a good street tree or residential tree as roots can clog drains MISC.: Dirr hates this plant! Can sucker from roots and can be weak-wooded but it adds an unusual color to the landscape!!

123 Populus deltoides Eastern cottonwood SIZE: Large HABIT: Pyramidal when young; vase-shaped when mature (often irregular) (often irregular)

124 FOL: Medium green above and below; seldom any fall color

125 BARK: Gray and divided into thick flattened ridges separated by deep fissures.

126 FL. & FR.: Dioecious; catkins (not showy); fruit = capsules releasing cottony seeds in June

127

128 CULTURE: Tolerates dry or wet sites; tolerates salt and pollution; pH adaptable PESTS: Canker, rusts, spots, powdery mildew USE: None except along rivers/streams MISC.: Very messy; weak wooded; best in river bottoms

129 Populus nigra Italica Lombardy poplar SIZE: Medium HABIT: Columnar

130 FOL: Dark green above and light below; no fall color

131 FL. & FR.: Dioecious; male catkins; not showy BARK: Whitish bark in youth which becomes dark and slightly furrowed with time.

132 CULTURE: Soil adaptable PESTS: Canker often kills this plant USE: Windbreak MISC.: Very short-lived; introduced to North America in 1784 from Italy. Very formal tree widely used in Europe and Montreal, Canada

133 Salix alba Tristis golden weeping willow SIZE: Medium HABIT: Mounded and weeping

134 FOL: Bright green above and silvery (glaucous) below; yellow in fall

135 BARK: Yellowish brown, somewhat corky. FL. & FR.: Dioecious; catkins; (not showy)

136 CULTURE: Prefer moist to wet sites; pH adaptable adaptable PESTS: Powdery mildew; rust, aphids, etc... etc... USE: Beautiful around ponds and lakes MISC.: Weak-wooded; short-lived; graceful; roots seek-out water! graceful; roots seek-out water!

137 Salix matsudana Tortuosa dragons claw willow SIZE: Medium HABIT: Upright and spreading

138 FOL: Bright green above and silvery (glaucous) below; yellowish in fall

139 BARK: Greenish brown, similar to S. alba. FL. & FR.: Dioecious; catkins; (not showy). This is a female clone!

140 CULTURE: Prefer moist to wet sites PESTS: Rust, aphids, canker, willow leaf beetle, etc... USE: Beautiful around ponds and lakes MISC.: Weak-wooded; short-lived; good for florist industry; interesting texture in the winter landscape


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