Directory of Azalea Information
Aphrodite
Mid Season (May)
Rose-pink, single, 2" diameter flower. A Glenn Dale hybrid, cold
hardy for the Mid Atlantic states with flowers as large and as varied as
those of Southern Indicas.
Ben Morrison
Mid Season (May)
Beautiful bicolor scarlet-orange and white, very attractive against
brickwork. A upright, attractive plant reaching 5' after 10 years. Flowers
hardy to 5 F. This azalea is named for the former director of the National
Arboretum and chief of the Plant Introduction Station in Glenn Dale, Maryland.
It was propagated with but not registered as one of the Glenn Dale hybrids.
Buccaneer
Early (April-early May)
Vivid coral orange single flowers, 2" across, upper lobe darker.
The blooms are subject to sunburn and need partial shade in the afternoon
in this area. A Glenn Dale hybrid, cold hardy for the Mid Atlantic states
with flowers as large and as varied as those of Southern Indicas. Tall,
erect habit of growth, usually reaching about 5 feet in height.
Chanson
(Late May-late June)
Light pink semi-double to double flowers. A Robin Hill hybrid with
the flower characteristics of the Japanese Satsuki azaleas but more hardy
and dependable. Flowers are exceptionally large, open-faced, and late blooming.
Considered hardy in the range of 0 to +10 F.
Conversation Piece
Late (Late May-late June)
Single, rich pink, 4" diameter flowers with dots, blotches, sectors
of pink, red, and white, all at the same time, on a low to medium shrub,
25" by 28 " in 10 years, A Robin Hill hybrid with the flower
characteristics of the Japanese Satsuki azaleas but more hardy and dependable.
Flowers are exceptionally large, open-faced, and late blooming. Considered
hardy in the range of 0 to +10F, so needs a protected spot in Maryland
winters if it is to bloom well.
Coral Bells
Early (April-early May)
Coral pink, small, 1-1/2" diameter hose-in-hose flowers produced
on dwarf, low spreading plants, 3' by 3 to 4'
Cornell Pink
Early (Late March-April, blooms with forsythia)
One of the very first azaleas to flower, it bears its rosy pink blossoms
in late winter, well before the leaves appear. A nicely branched upright
shrub growing to 6 feet in height with soft green foliage that turns yellow
and bronzy-crimson in the fall. Foliage is aromatic when crushed. Tolerates
soils that are nearly alkaline. A desirable, hardy, early-blooming shrub.
Corsage
Early (April-early May)
Mildly fragrant single lavender flowers. A Gable hybrid seedling which
was named and introduced by another nursery. Reaches about 5 feet, hardy
to -15 F temperatures.
Delaware Valley White
Mid Season (May)
White, single, 2" diameter, one of the more common forms in commerce.
Reaches about 3 feet tall, hardy to -5 F temperatures.
Dorothy Hayden
Late (Late May-late June)
Single, open-faced white flowers with a distinct green throat, wider
than tall, 15" by 34" in 10 years
Doug's Delight
Early (April-early May)
Blooms once during the HCC spring break and again after final grades
are in and the last check has arrived in the mail!
Elsie Lee
Mid Season (May)
Double light lavender flowers. A Tony Shamerello hybrid, bred to withstand
winters around Lake Erie. This is fast becoming a favorite in Howard County
due to the low temperatures of 1993-4 and 1995-6 -- it has bloomed beautifully
after both winters.
Flame Creeper
Late (Late May-late June)
Flowers are orange-red, and the shrub itself is densely branched and
spreading, becoming very popular as a ground cover. An Indica type. Indicas
are often tender as young plants but become more hardy as they age, so
give this azalea special protection with a good layer of mulch around its
roots during its first winter.
Frosty
Late (Late May-late June)
The pink single flower with a distinct dark blotch has a frosty overtone.
A Robin Hill hybrid with the flower characteristics of the Japanese Satsuki
azaleas but more hardy and dependable. Flowers are exceptionally large,
open-faced, and late blooming. Considered hardy in the range of 0 to +10F
Gillie
Late (Late May-late June)
Single, rose-salmon flower. A Robin Hill hybrid with the flower characteristics
of the Japanese Satsuki azaleas but more hardy and dependable. Flowers
are exceptionally large, open-faced, and late blooming. Considered hardy
in the range of 0 to +10F.
Girard's Crimson
Mid Season (May)
Large crimson flowers up to 2-1/2", very large glossy green leaves,
good winter color, on a good compact plant
Girard's Rose
Mid Season (May)
True rose color, 2-1/2 to 3" florets, slightly waved, foliage
dark green, 1-1/2 to 2" long by 3/4" wide, deep green and glossy
during the summer, taking on brilliant deep red tints in early fall, stems
turn deep red in winter; vigorous, upright growth habit. A very attractive
plant in all seasons.
Girard's Scarlet
Mid Season (May)
Large flowers, strong red with deep orange-red glow, waxy textured,
deep glossy green foliage, low, compact plant, 1-1/2 to 2' by 3'
Girard's Chiara
Mid Season (May)
Clone originated in 1972. Received awards in three American Rhododendron
Society shows. Flowers are large, hose-in-hose, 2-1/2 to 3" diameter.
Color is clear rose, pleasingly ruffled and very floriferous. Foliage is
glossy deep green type which holds very well. Plant takes on a dense, broad
growing habit; ideal for borders, foundation planting, and rock gardens.
Will withstand -15F. Ideal for forcing indoors.
Girard's Fuchsia
Mid Season (May)
A beautiful shade of reddish purple, florets are beautifully waved
and ruffled, of very heavy texture; foliage dark green and glossy. Attractive
reddish fall color on the leaves. Both the plant and the buds are hardy
to -15 F temperatures, so it survives well in the worst of Maryland winters.
This is a exceptionally good azalea for home landscapes.
Gloria
Mid Season (May)
A variegated sport of "Dorothy Gish" which is orange-salmon,
semi-double, hose-in-hose. A Rutherfordiana hybrid, meaning medium sized
flowers, 2 to 4' shrubby plants with showy spring bloom, requiring mid-day
shade.
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Gumpo Pink
Late (Late May-late June)
A Satsuki hybrid with single, salmon pink flowers.
Gumpo White
Late (Late May-late June)
Large single white frilled flowers with occasional purple flecks, dense
habit
Hardy Gardenia
Mid Season (May)
A Linwood hybrid with double, hose-in-hose 2-1/2" pure white flowers
resembling gardenias. hardy gardenias can reach 5 feet in height eventually,
but 14"x30" wide in 8 years is more realistic in terms of suitability
for small gardens. Buds are hardy to 10 F.
Herbert
Early (April-early May)
Toughest of the Gable hybrids in cold weather (flower bud hardy to
-20F), hose-in-hose rose-purple flowers with darker blotch, reaching about
3.5' by 3.5' with a dense, rounded habit.
Hershey Red
Early (April-early May)
Large, 2" diameter bright red, hardier than most, probably to
-10F, a Kurume azalea. It is an outstanding grower and very popular as
a landscape plant in this area.
Hino Crimson
Early (April-early May)
Brilliant non-fading crimson flower, single, one of the hardiest, low
growing compact with small, deep green leaves turning bronze in winter
Hinodi Giri
Early (April-early May)
Vivid red, 1-1/2" diameter flowers, dark green summer foliage
turns wine red in fall and winter, 3' by 3 to 4', flower buds test hardy
to -8F, a Kurume hybrid
Girard Hot Shot
Mid Season (May)
Fiery deep orange-red or scarlet flowers, 2-1/2 to 3" diameter,
heavily textured and completely covering the plants. Foliage 3/4 to 1"
long, medium green during summer, changing to brilliant orange-red in fall.
More upright habit than Girard Scarlet. Also available with variegated
foliage similar to Silver Sword.
Janet Rhea
Mid Season (May)
A Linwood hybrid with semi-double pinkish-red and white flowers, tends
to grow naturally into a rounded mound about 2.5' by 2.5' This azalea is
truly striking in bloom and deserves a featured spot in a garden.
Joseph Hill
Late (Late May-late June)
Bright red flowers, 12" tall by 42" wide in 13 years, a Polly
Hill's North Tisbury hybrid, grown to produce prostrate, hardy, evergreen
forms that can be used as ground covers.
Kaempo
Late (Late May-late June)
Late blooming dwarf hot pink, darker spots, particularly showy. Usually
low and compact but can reach 3-4".
Kiusianum
Late (Late May-late June)
A species rather than just one cultivar, R. kiusianum is a dwarf evergreen
of semi-evergren shrub, occasionally up to 3', with a dense, spreading
habit. The leaves are dark green, small, and oval-shaped. It is hardy to
about 0 degrees F and is especially picky about good drainage of the soil.
Red, white, and purple kiusianum cultivars also exist in addition to the
pink.
Kwahow
Late (Late May-late June)
White with occasional deep pink stripes, wavy round lobes. Vigorous
upright and spreading habit. Also known as "Kaho" but usually
sold as Kwahow. A Satsuki hybrid, Kwahow blooms toward the end of May and
is hardy to about 0 degrees F.
Lady Robin
Late (Late May-late June)
Pink and white 3-1/2" flowers. Semi-dwarf, 21"x36" in
15 years. ARobin Hill hybrid.
La Roche
Early (April)
Vivid electric mauve, a very bright spot in the early spring landscape
with daffodils, hardy blossoms unless a severe spring frost hits. Plants
hardy to zone 6 (-10 F). Size can reach 5-6' after 10 years. A Gable hybrid.
Louisa
Late (Late May-late June)
Pastel pink flowers with a moderate red blotch. Like most of the North
Tisbury hybrids, Louisa is a low, dwarf, spreading shrub, approximately
10"x 33" in 10 years.
Macrantha
Late (Late May-late June)
Low, compact, double red, spreading growth habit, 3' high, an Indica
type azalea
Martha Hitchcock
Late (Late May-late June)
White flowers with purple edge, 3" across. A broad, spreading
bush reaching 4" high. Martha Hitchcock foliage does not open up unti
about June, and the plant can look a bit bedraggled before then. It develops
beautifully once the warm weather arrives.
Mary Elizabeth
Mid Season (May)
Deep purplish pink, 2-1/2" flower, 24"x30" wide in 4
years. a Linwood hybrid, hardy to 0 F temperatures.
Mother's Day
Early (April-early May)
Large vivid red flower, wide-growing. A Kurume hybrid, about 2-1/2
feet high in 10 years.
Mrs. Nancy Dipple
Early (April-early May)
Pale pink double flowers. An H. R. Schroeder hybrid, very cold hardy
but requires afternoon shade in Howard County's hot summers.
Mt. St. Helens
Mid Season (May)
A blend of pink, salmon, with yellow and orange blotch exploding from
all copper flower petals, very large trusses, 5" by 6", holding
12 to 15 florets of very heavy texture; upright with good foliage that
holds well until winter
Mount Seven Star
Late (Late May-late June)
A vivid red with wavy lobes on a low, dense plant, a Polly Hill's North
Tisbury hybrid, grown to produce prostrate, hardy, evergreen forms that
can be used as ground cover
Nancy of Robin Hill
Mid Season (May)
Large, 2-1/2" double flowers open clear rosy pink and mature to
soft pastel pink, liberally marked with light red. Grows to 2 feet tall
and 1-1/2' around in 5 years. A special favorite of its breeder, named
in honor of his wife.
Nancy
Late (Late May-late June)
Single pink flowers
Nassau
Mid Season (May)
Double white flowers with light purple flakes and specks,some shading
of pink and light purple, center pale green. Nearly a pompom double flower,
about 2-1/2" across. Spreading, hardy to -5 F temeperatures.
Olga Niblet
Late (Late May-late June)
Olga is white with a yellowish cast and a yellow throat, considered
outstanding by leading Rhododendron authorities for its subtle, distinct
flower color. Considered one of the best of the Robin Hill hybrids. A medium
to upright grower, ultimately 4' by 3'. Eye-catching in any setting.
Opal
Mid Season (May)
Pink, has an unusual tendency to flower in mid-spring and then again
in the fall.
Orange Cup
Mid Season (May)
A Kurume azalea, Orange Cup is predictably a stronge orange color,
with hose-in-hose flowers.
Pleasant White
Late (Late May-late June)
Large 1-1/2 to 3" diameter white flowers with a cream center,
late flowering and vigorous, 2 to 2-1/2' by 3', dark green foliage, hardy
Plum Leaf
Late (June-July)
One of the most interesting and unique of North American native plants
(native to SW Georgia and East Alabama), its wild populations are becoming
restricted. Large, gracefully formed, many-toned red blossoms extend the
azalea blooming season into midsummer. The blooms, a unique orange-red
to red hue, are handsomely set off by lush, mid-green foliage. 8 to 10'
in 10 years.
Red-Red
Mid Season (May)
Well, what would you expect? Dark velvet red, a spreading azalea, about
3 feet high in 10 years. A Shamarello hybrid, hardy in the coldest Howard
County winters.
Renee Michelle
Late (Late May-late June)
Clear pink blossoms, 2-1/2 to 3", foliage dark green, 1-1/2"
by 1/2"; plants are low, compact, a cross of "Boudoir" and
"Gumpo Pink," beautiful flowers, has withstood -10F
Robert Hyatt
Mid Season (May)
Deep pink with dark pink spotting in a blotch, 2-1/4" flower.
Compact habit, reaching a size of about 18"x15" high in 10 years.
This is one of the H.R. Schroeder hybrids from Evansville, Indiana, developed
to withstand the cold Midwestern winters and to be compact plants with
single or double flowers. Schroeder hybrids are hardy to -15 F temperatures.
Rosebud
Mid Season (May)
Deep purplish pink double rosebud form (hose-in-hose) flower on compact
shrub with spreading low dense growth, a Gable hybrid. Slower rate of growth
than most azaleas.
Royalty
Mid Season (May)
A Gable hybrid, but introduced by another nursery. Vivid reddish purple,
1-1/2" flower, a low, spreading growth pattern. Beautiful fall leaf
color.
Shroeder's Sunray
Mid Season (May)
Light reddish orange.
Silver Sword
Early (April-early May)
Flowers vivid pink to red, approximately 2" across, foliage deep
green with creamy white margins, becoming more available in garden centers.
Stewartstonian
Early (April-early May)
Clear red single flowers, a Gable hybrid. For a dense, compact plant,
shear this azalea after blooming.
Tradition
Mid Season (May)
Clear light pink, hose-in-hose flowers which bloom in mid-season (late
April-early May) in Howard County. A Kurume hybrid, Tradition grows at
only a medium rate but eventually may reach 6 feet. Widely available in
the Maryland area and a popular landscaping choice, Tradition is hardy
to zone 6 (-10F).
Tryon Pink
(May)
Beautiful rose pink, large, double flower, resembling a camellia, hardy
to zone 6 (-10 F). Attractive foliage and rounded growth pattern.
Wintergreen
Late (Late May-late June)
Deep pink to light red flowers in late June, forms a circular mound
15" by 39" wide in 12 years; a Polly Hill's North Tisbury hybrid,
grown to produce prostrate, hardy, evergreen forms that can be used as
ground covers.
Anne Wolf
Computer Science Department - Class
Project
Howard Community College
Columbia, Maryland
Last updated November 24, 1997