Transcript List #5

Amelanchier laevis
“Allegheny serviceberry or shadbush”
SIZE: Large shrub or small tree
HABIT: Upright with rounded
crown
FOL: Pink-bronze in spring; medium
green in summer; apricot-red in fall
BARK: Grayish in color, streaked with
dark longitudinal stripes
FL. & FR.: White in pendulous, 2-4” racemes
in April as leaves emerge; Fruit = 1/3” redpurple-black pome in June
CULTURE: Transplant B & B; prefers
MWDS, sl. acidic; full sun or partial shade;
NOT pollution tolerant
PESTS: Rust; powdery mildew; leaf spot
USE: Naturalizing (good against an evergreen
backdrop); attracts wildlife
MISC.: Fruit can be made into pies, jelly, etc.
Birds love the fruit! Silvery bark is nice in
winter.
Amelanchier laevis ‘Robin Hill’
Crataegus phaenopyrum
“Washington hawthorn”
SIZE: Small tree
HABIT: Upright, pyramidal-oval
FOL: Lustrous dark green in summer;
orange-scarlet-purple in fall
BARK: Grayish brown. Becoming
moderately flaky with age.
FL. & FR.: 1/2” white flowers, sl. scented, in
terminal and axillary 2” corymbs in June;
Fruit = bright, glossy, 1/3” red drupe in
October (persist thru winter)
CULTURE: Tolerates most soils; pH tolerant;
full sun; tolerates urban dirt; does NOT
tolerate wet sites
PESTS: Rusts and leaf spots
USE: Specimen, screen, foundation, hedge
MISC.: Thorns are dangerous!
Malus sp.
“crabapples, apples”
SIZE: Small tree; cultivar dependent
HABIT: Typically upright, mounded
FOL: Dull dark green in summer; yellow
fall color (often poor)
BARK: Gray-Brown and scaly
FL. & FR.: Depends on cultivar!! Single and
doubles; Fruit = pomes (1/2” - 5”), red -yelloworange in September (persist into winter)
CULTURE: Prefer MWDS, acidic; full sun
(does not tolerate shade!!); pruning is
recommended to provide adequate air
circulation
PESTS: Many... powdery mildew, aphids,
fireblight, cedar-apple rust, etc... (not as
serious in the North)
USE: Specimen, groupings, attract wildlife
MISC.: Makes excellent jam, jelly, pies or
eaten raw. Fruit can be messy!
Prunus serrulata ‘Kwanzan’
“Kwanzan cherry”
SIZE: Small tree
HABIT: Upright, often vase-shaped
FOL: Bronzy foliage in spring; dull dark
green in summer; orange-bronze in fall
BARK: Cherry like. Reddish brown in
color with prominent horizontal lenticels
FL. & FR.: Pink, double flowered, 1” in
clusters; Fruit = NONE! Sterile plant
CULTURE: Prefers MWDS; short-lived tree
PESTS: Canker, virus, borers
USE: Specimen, street tree
MISC.: Often grafted on P. avium. Live about
20 years. Spectacular in flower! Great
bark. Hardiest of the double-flowered
cherries. Marginal in Burlington, VT
Prunus subhirtella ‘Pendula’
“weeping Higan cherry cherry”
SIZE: Small tree
HABIT: Grafted, weeping
FOL: Bronzy foliage in spring; dull green
in summer; orange-bronze in fall
BARK: Cherry like. Reddish brown in
color with prominent horizontal lenticels
FL. & FR.: Pink, single flowered, 1” in
clusters; Fruit = rare
CULTURE: Prefers MWDS; fast grower!
PESTS: Canker, virus, borers
USE: Specimen
MISC.: Often grafted on P. avium. One of the
longest-lived cherries! Graceful in flower.
Great bark. Marginal in Burlington, VT
Prunus virginiana ‘Canada Red’
“red-leaf chokeberry”
SIZE: Small tree
HABIT: Upright, rounded
FOL: Green foliage in spring; dull dusty
purple in summer; red-purple in fall
FL. & FR.: white, 1” in 6” racemes; Fruit
= 1/3” red-purple drupe in mid-summer
CULTURE: Prefers MWDS but tolerates
most soils; full sun
PESTS: None serious
USE: Specimen, street tree
MISC.: This is an up-and-coming plant in the
nursery trade. Great seasonal
characteristics! Fruit is edible and made
into pies, jams, jellies, sauces and wine!
Sorbus aucuparia
“European mountainash”
SIZE: Small tree
HABIT: Pyramidal to upright
ovate shape
FOL: Dull dark green in summer; yellowreddish in fall
BARK: Smooth, light grayish brown in
color, often with a shiny look.
FL. & FR.: White, 1/3” , malodorous in 3-5”
flat-topped corymbs in May; Fruit = 1/4”
orange-red pome in September
CULTURE: Transplant B & B; prefers well
drained loamy, sl. acidic soils; Does NOT
tolerate compacted soils or air pollution
PESTS: Fireblight, canker, leaf rusts (none
too serious in Vermont)
USE: Specimen, foundation plant, attract
wildlife
MISC.: Disease devastates the plant below
USDA Zone 6!
Hydrangea paniculata ‘Grandiflora’
“peegee hydrangea”
SIZE: Large shrub or small tree
HABIT: Upright, spreading,
low-branched
FOL: Dark green in summer; green and
yellow fall color (not showy)
BARK: Reddish-brown to brown often
showing gray vertical streaks
FL. & FR.: Mostly infertile flowers; 12-18”
terminal panicle; Flowers white changing to
reddish-pink; No fruit
CULTURE: MWDS; full sun to partial
shade; tough plant; soils adaptable; urban
tolerant; prune in early Spring (flowers on
new wood)
PESTS: None serious
USE: Specimen; accent; old-time plant that
is making a come-back
MISC.: Coarse winter texture; bold in
flower; Dirr doesn’t like it (a “monstrosity”)
Hydrangea paniculata ‘Limelight’
Hydrangea paniculata ‘The Swan’
Philadelphus coronarius
“mockorange”
SIZE: Large shrub
HABIT: Upright, stiff branches that arch
with age; leggy
FOL: Medium green in summer; NO fall color
BARK: Exfoliating, orange to reddish-brown
FL. & FR.: White, 1”, very fragrant, borne
clustered on a raceme in June; Fruit =
dehiscent capsule (not showy)
CULTURE: Transplant readily; soil
adaptable; full sun to light shade; prune
after flowering (can cut to the ground to
rejuvenate!)
PESTS: Leaf spots (some powdery mildew)
USE: Accent; shrub border; old-time plant
MISC.: Grown for scented flowers only...
Halesia tetraptera (H. carolina)
“Carolina silverbell”
SIZE: Small to medium tree
HABIT: Low-branched tree with
rounded, broad crown
FOL: Yellow-green in summer; yellow-green in fall
BARK: Young branches are orange-gray with
darker vertical streaks. Become more gray
brown with age with distinct flat topped ridges.
FL. & FR.: White, campanulate, 3/4” long, axillary
flowers on old wood, in May before leaves; Fruit =
oblong, 4-winged, 1 .5” long, dry, lt. brown drupe
CULTURE: Transplants readily if B & B;
prefers rich, high organic matter soils; sun
or partial shade
PESTS: None!
USE: Specimen; naturalizing; mix with
rhododendrons underneath and evergreens
behind
MISC.: Underutilized plant; ‘Rosea’ has a
pink flower
Tamarix ramosissima
“tamarisk”
SIZE: Medium to large shrub
HABIT: Upright but open
FOL: Blue-green and scale-like, creating a
feathery appearance
FL. & FR.: Rosy pink, 1/4” flowers borne in 1- 3”
racemes grouped to form large (2-3’) terminal
panicles in mid-summer. Fruit = a capsule (rare)
CULTURE: Poor root system and therefore
requires close attention following planting.
Provide with adequate moisture. If
transplanted and allowed to become dry... It
will die! Prefers acidic, well-drained soils
low in fertility; full sun; very salt tolerant!!
Can be pruned to the ground and still flower
PESTS: Canker and root rot
USE: Seashore plantings or areas with high
salt; poor soils
MISC.: This plant has proven to be invasive in
the mid-west along rivers and streams
Stewartia pseudocamellia
“Japanese stewartia”
SIZE: Small to medium tree
HABIT: Pyramidal to oval
FOL: Medium green in summer; yellowish,
reddish, or purplish in fall
BARK: Outstanding!! Develops a muscle like
character. Outer bark fragments exfoliate to
reveal lighter inner bark
FL. & FR.: White, cup-shaped, 2” across,
flowers have long filaments and orange
anthers, in May before leaves; Fruit = 1”
oval, dry, lt. brown 5-valved capsule in fall
CULTURE: Difficult to transplant, small
container-grown plants or B & B is best;
prefers well drained, organic, acidic soils;
Prefer shade during the hottest part of the
day.
PESTS: None serious
USE: Specimen, esp. in winter for the bark
MISC.: Marginally hardy here in Burlington,
VT. The bark is exfoliating and reveals a
patchwork of cinnamons, tans, browns and
cream colors. Exceptional! A 4-season plant!
Ulmus glabra ‘Camperdownii’
“Camperdown elm”
SIZE: Small tree
HABIT: Low-branched tree with rounded,
broad crown; height depends on graft
FOL: Medium green in summer; yellow-green in fall
BARK: Dark gray brown, twisting and
contorting in all directions.
FL. & FR.: Fruit = 1/2” round, paperybrown samara in May (not showy)
CULTURE: Transplants readily; MWDS;
full sun
PESTS: Few (for elms); leaf gall; graft
incompatibility
USE: Specimen
MISC.: Novelty plant ideal for a small yard;
originally discovered creeping on the ground
at Camperdown House, Dundee, Scotland
around 1850
Ilex verticillata
“winterberry”
SIZE: Medium shrub
HABIT: Oval-rounded;
forms a multistemmed clump
FOL: Dark green in summer; no fall color
BARK: Dark gray to almost black on older stems.
FL. & FR.: Dioecious! Flowers not showy;
Fruit on female = 1/4” bright red drupe in
September; persists into winter
CULTURE: Tolerates WET conditions;
prefers moist, acidic, high OM soils; full sun
to partial shade; will sucker
PESTS: None serious
USE: Excellent in a mass, near water;
naturalizing; attracts wildlife
MISC.: Many cultivars for fruit color (yellow,
orange, red)
Ilex verticillata ‘Sunsplash’
Eleutherococcus sieboldianus
“fiveleaf aralia”
SIZE: Medium shrub
HABIT: Upright (with pruning), otherwise
an upright mound
FOL: Bright green in summer; persist late
into fall; no fall color
FL. & FR.: Not showy
CULTURE: VERY tolerant of poor soils,
pollution, full sun or full shade; tolerates
pruning; will sucker
PESTS: None serious
USE: Urban plant; screen; barrier (prickles)
MISC.: The cultivar, ‘Variegatus’ has a very
nice, white-margined, “tropical” looking
leaf; formerly Acanthopanax sieboldianus
Eleutherococcus sieboldianus
‘Variegatus’
Viburnum carlesii
“Koreanspice viburnum”
SIZE: Small to medium shrub
HABIT: Rounded; dense
FOL: Dull dark green and pubescent in
summer; wine-red is possible in fall
FL. & FR.: Flowers = pinkish-red in bud, 1/2”
across in 3” cymes in May (semi-snowball); Fruit =
1/3” red-black egg-shaped drupe (not showy)
CULTURE: Prefers MWDS; full sun to
partial shade; prune AFTER flowering;
avoid grafted plants
PESTS: None serious, resistant to Viburnum
leaf beetle
USE: Foundation plant; mixed shrub border
MISC.: Flowers very fragrant!!
Viburnum dentatum
“arrowwood viburnum”
SIZE: Medium shrub
HABIT: Multistemmed; dense
and rounded
FOL: Lustrous dark green in summer;
mixed fall color... yellow, red, purple
FL. & FR.: Flowers = white in 3” flat-topped cyme
in June; Fruit = 1/4” blue-black drupe in September
CULTURE: Transplants readily; very
durable for viburnums; prefers MWDS, full
sun to partial shade; tolerates salt; suckers
readily!
PESTS: susceptible to Viburnum leaf beetle
USE: Hedges, masses; utilitarian; attracts
wildlife
MISC.: NOT fragrant in flower! Selections
need to be made for fall color. Branches are
long , straight, and resilient, and make
excellent arrows!
Viburnum lantana
“wayfaringtree viburnum”
SIZE: Medium shrub
HABIT: Multistemmed; upright;
rounded
FOL: Dull dark bluish-green in summer;
poor purplish-red fall color
FL. & FR.: Flowers = white in 4” flat-topped
cyme in May, no fragrance; Fruit = 1/3” yellow,
red, black drupe in September (quite showy)
CULTURE: Readily transplanted; tolerates
alkaline and dry soils better than other
viburnums; full sun to partial shade
PESTS: resistant to Viburnum leaf beetle
USE: Hedges, screens, massing; borders
MISC.: A more compact form is: V. lantana
‘Mohican’
Viburnum opulus ‘Roseum’
“European snowballbush”
SIZE: Medium shrub
HABIT: Upright, mounded
FOL: Dark green in summer; inconsistent
fall color (yellow, red, purple)
FL. & FR.: Flowers = sterile, showy white flowers
clustered in a 3” diameter ball in May; Flowers
turn slightly pink with age; Fruit = none
CULTURE: Soil adaptable; very easy to
grow; will NOT tolerate wet sites; full sun
to partial shade
PESTS: Aphids; leaf spot, susceptible to
Viburnum leaf beetle
USE: Edging; shrub border
MISC.: An old favorite in European and US
gardens; known since the 16th century
Viburnum plicatum var. tomentosum
“doublefile viburnum”
SIZE: Medium shrub
HABIT: Horizontal branching in
tiers
FOL: Dark green in summer; reddish-purple in fall
FL. & FR.: Flower = white, mix of fertile and
sterile flowers on a 4” flat-topped cyme in May;
Fruit = 1/3” red, black drupe in August
CULTURE: Requires MWDS; does NOT
tolerate heavy, clay, poorly drained soils;
can be severely pruned to rejuvenate
PESTS: None serious; leaf scorch can be a
problem in hot, dry sites; resistant to
Viburnum leaf beetle
USE: Specimen, accent, foundation, mass
MISC.: A beautiful plant in flower, marginally
hardy here (site in a protected location!)
Viburnum x rhytidophylloides
“lantanaphyllum viburnum”
SIZE: Medium shrub
HABIT: Upright, slightly spreading
FOL: Dark, leathery green in summer;
persist into winter (no fall color)
FL. & FR.: Flower = creamy-white in 4” flattopped cymes in May; Fruit = 1/3” red, black
drupe in September
CULTURE: Soil adaptable; sun to partial
shade; protect from wind
PESTS: None, resistant to Viburnum leaf
beetle
USE: Screen, hedge, foundation plant
MISC.: Fruit can be showy, selections need to
be made! V. x rhytidophylloides ‘Alleghany’
is a superior selection from a hybrid cross of
V. rhytidophyllum x V. lantana ‘Mohican’ in
1953 and resulted in darker green leaves,
more flowers, greater cold hardiness, more
vigorous yet dense and compact growth!
Viburnum trilobum
“American cranberry viburnum”
SIZE: Medium shrub
HABIT: Upright and slightly spreading
FOL: Reddish new growth in spring; lustrous,
medium green in summer; yellow-red-purple in fall
FL. & FR.: Flowers = white in 4” flat-topped
cymes in May; Fruit = 1/3” bright red, globose,
drupe in September (persists into winter)
CULTURE: Transplants readily; prefers
MWDS; sun to partial shade; more
adaptable than V. opulus; does NOT tolerate
dry conditions
PESTS: susceptible to Viburnum leaf beetle
USE: Screen or informal hedge; attracts
wildlife
MISC.: Fruit edible and made into jams and
jellies. Looks nearly identical to V. opulus
Weigela florida
“weigela”
SIZE: Small to medium shrub
HABIT: Rounded with arching branches
to the ground
FOL: Medium green in summer; no fall color
FL. & FR.: Flowers = 1” funnel-shaped, rosypink in June, axillary on old-wood; Fruit =
two-valved capsule (not showy)
CULTURE: Extremely adaptable; prune
after flowering to maintain shape; pollution
tolerant
PESTS: None serious
USE: Massing, groups, shrub border
MISC.: Effective in flower, nondescript outof-flower; many cultivars: ‘Alexandra’ =
“Wine and Roses®weigela” and ‘Variegata
Nana’ = a compact, variegated form
Weigela florida ‘Nana Variegata’
Weigela florida ‘Wine and Roses’