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The regular but never ordinary Euphorbia amydaloides var. robbiae showing it's glossy, dense whorls to perfection in December in eastern North Carolina. It is like a creeping Pittosporum and even better we think. Even without the wonderful greenish-yellow flowers it has merit and endless appeal. There is nothing like a good spread of it when most of the other border perennials are merely broken, tan twigs or completely cut down. It earned the coveted RHS Award of Garden Merit and not that many non-cultivars have gotten that honor.

The winter foliage is so very handsome one is very tempted to call it and the purple leaf forms ('Purpurea') foliage plants before listing them among flowering plants. They are of course both. It is plants like this that make the Euphorbia among the most seasonally sophisticated and impressive of all herbaceous perennials.

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LCH

Euphorbia characias subsp. wulfenii 'Emmergreen' a new cultivar on the market with variegated foliage.

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CULTIVARS ARE ORDERED ALPHABETICALLY UNDER EACH SPECIES REGARDLESS OF VARIETY OR SUBSPECIES

Euphorbia amygdaloides 'Craigieburn'
ht:45cm
lc: purple
fc: lime green margined in purple
dr: mildew resistant

Euphorbia amygdaloides 'Golden Glory' (11/02)
ht: 28 in. tall x 14 in. wide
lc: dark green
fc: "acid yellow"
pat: US PPAF
in, so or:
Terra Nova Nurseries before 2002 (online catalog 2002)

Euphorbia amygdaloides var. robbiae 'Holywood'
ha: slower, more clumping and less vigorous
fc: clearer, cleaner gold than variety typical
or: Dr. William Lennon, Holywood, Belfast

Euphorbia amygdaloides var. purpurea ('Purpurea', 'Rubra')
st: red, especially in cold weather
lc: tinged purple to red in various degrees, some very dark maroon red
ns: this is properly a botanical taxon as it occurs in the wild. The name 'Rubra' is used for paler
ns: and more red selection but is not valid.
aw: European Perennial Plant of the Year 1995

Euphorbia amygdaloides 'Perceval' (species x var. robbiae)
ht:50-70cm
lc: dark green, textured and slightly rugose
in: France

Euphorbia amygdaloides var. robbiae 'Pom Pom'
ht: 30cm
ha: tufted, compact rosettes
or: Phillipa Brown 1998 as sport of variety
in: Bob Brown 1999
li: Hertle, B. 1999. Newly registered cultivars of herbaceous perennials. ISU.

Euphorbia amydaloides 'Signal'
ht: 55cm
lc: green and red
fc: green and red
or: Bob Brown 1995 as E. amygdaloides var. robbiae x E. amygdaloides 'Purpurea'
li: Hertle, B. 1999. Newly registered cultivars of herbaceous perennials. ISU.

Euphorbia amygdaloides 'Variegata'
ha: often weak, short-lived in gardens, especially after heavy blooming
lc: margined cream
in: known in UK gardens since before 1951

Euphorbia 'Blue Haze' (E. sequieriana subsp. nician x E. nicaeensis)
ht: 18 in. tall x 26 in. wide
ha: compact, spreading
st: reddish, somewhat showy against the blue leaf
lc: blue-gray, very showy
ll: narrow, somewhat willow-like
fc: greenish-yellow (chartreuse) but showy in leaf alone
pat: US PPAF
in: Robin White c. 2001

Euphorbia 'Canyon Gold' (E. characias subsp. wulfenii x ?)
ht:30 in. tall x 36 in. wide
st: reddish, showy
lc: purplish new growth becomes red
fc: golden yellow
infl: cylindrical

Euphorbia (aff. characias) 'Purple Preference' (5/3)
ht: 30 in.
lc: blue-green, tinged purple in new growth
fc: chartreuse
infl: conical
ns: shows affinity to E. characias but may be a hybrid
or: UK
so, in: Heronswood (online catalog 2003)

Euphorbia characias subsp. wulfenii 'Athens'
lc: light bluish-gray stem leaves
fc: floral leaves yellowish-green
or: Roger Turner from seeds received from Botanic Garden in Athens as E. sibthoropii

Euphorbia characias subsp. characias 'Beech Park'
ht: 2.0-2.4m - much taller
infl: larger than species typical
or: David Shackletin, Beech Park garden, Ireland
li: Turner, R. 1995. Euphorbias: a gardener's guide. Timber Press.

Euphorbia characias subsp. characias 'Benger's Silver' = 'Burrow Silver'

Euphorbia characias 'Black Pearl'
ns: a listed name c. 2001

Euphorbia characias subsp. characias 'Blue Hills'
ht: 24 in.
ha: compact, mounded, vigorous
fc:greenish-yellow to lime green, nectaries brown
lc: grey-green to blue-green, a bit bluer than most cultivars.
ns: Turner lists it under the typical variety on account of the nectary color. It is sold under subsp. wulfenii too.

Euphorbia characias 'Blue Wonder'
ht: 120cm
lc: bright steel blue

Euphorbia characias var. wulfenii 'Bosahan'
ht: 48 in. tall x 36 in. wide - larger than most cultivars
lc: red below becoming blue-green tinged purple
fc: light yellow

Euphorbia characias subsp. characias 'Burrow Silver' ('Burrow's Silver','Benger's Silver', 'Silver Sunbeanm', 'Honiton Lace')
ha: less vigorous and slower than subsp. typical
st: tinged red
lc: margined creamy-white, more highly colored in the floral leaves. New growth is mostly white.
fc: nectaries light red becoming darker red
or: Mary Benger, Burrow Farm Garden, Devon, England as seedling
so:
Burncoose Nursery.

Euphorbia characias 'Clochette'
ht: 1.2
fc: greenish
in: France 1997

Euphorbia characias subsp. wulfenii 'Emmergreen'
ha: stronger than 'Burrow Silver'
lc: margined cleanly and clearly cream to white
fc: floral leaves also margined in chimera
or: John Notton, Emmer Green, Berkshire, England as sport 

Euphorbia characas 'Forescate'
ht: 90cm
fc: greenish-yellow to yellow
lc: dark grey-green, contrasting well with the lighter flowers.

Euphorbia characias 'Goldbrook'
ht:75cm
ha: compact
fc: yellow-green
lc: blue-green to gray-green

Euphorbia characias subsp. characias 'Greenmantle'
ht: 60cm
lt: floral leaves distinctly pointed, positioned like a mantle or hood
lc: grayish-green
or: gary Dunlop, Newtonards, England

Euphorbia characias subsp. characias 'Honiton Lace' = 'Burrow Silver'

Euphorbia characias ssp. wulfenii 'Humpty Dumpty'
ht: 45cm - shorter
ha: compact
fc: greenish-yellow
lc: grey-green
ns: the joke is told that "it is best kept away from walls". It is sometimes placed with subsp. characias.
 

Euphorbia characias ssp. wulfenii 'John Tomlinsen'
ht: 30 in.
fc: bright greenish-yellow, floral leaves a clearer yellow than 'Lambrook Gold'
ft: notably bell-shaped or campanulate
infl: cylindrical, narrow, larger than 'Lambrook Gold'
lc: blue-green
or: Matthew Tomlinson from wild Yugoslavian seed
aw: RHS AM 1977

Euphorbia characias subsp. wulfenii 'Joyce's Giant'
ht: 90cm
fc: floral leaves yellow, nectaries yellow
fd: inflor. to 35cm tall and 27cm wide
lc: light gray-green
or: Broadleigh Gardens, Somerset, England as 'Lambrook Gold' seedling

Euphorbia characias subsp. wulfenii 'Lambrook Gold'
ht: 120cm
fc: bright golden-yellow
lc: blue-green. It produces variegated sports occasionally and some of these have been named.
or: Marjory Fish before 1968

Euphorbia characias subsp. wulfenii 'Lambrook Yellow'
ha: erect, clump-forming
lc: grey-green to bluish-green
fc: greenish-yellow
fd: inflor. to 25cm tall x 12cm wide - larger than 'Lambrook Gold'
or: Margery Fish
ns: Turner states not all plants under this name are always the same.

Euphorbia characias subsp. characias 'Little Court'
fc: light terracotta orange, nectaries dark brown
lc: bluish-green
or: Patricia Elkington, Crawley, England

Euphorbia characiasn ssp. wulfenii 'Margery Fish'
ht: 120cm
fc: greenish-yellow
lc: grey-green
id: Turner states this name is given to various seedlings of 'Lambrook Gold' and not all are superior to the original.

Euphorbia characias subsp. wulfenii 'Minuet'
ht: dwarf
fc: lime green
or: George Chiswell, Avon, England

Euphorbia characias subsp. wulfenii 'Old Court'
lc: variegated, presumably margined cream as are most such sports
ns: Turner states the original plant is lost and so may be all others.

Euphorbia characias subsp. characias 'Percy Picton'
lc: bluish-green, floral leaves distinctly margined
or: George Chiswell, Avon, England from stock obtained from Old Court Nursery

Euphorbia characias subsp. wulfenii 'Perry's Tangerine'
ht: 75-90cm
fc: floral leaves tinged orange
lc: medium green
or: Pat Perry, Whitby, England

Euphorbia characias subsp. characias 'Perry's Winter Blusher'
ht:
or: Pat Perry, Whitby, England  1986

Euphorbia characias var. purpurea = E. chafacias ssp. wulfenii 'Purple and Gold'

Euphorbia characias ssp. wulfenii 'Purple and Gold' ('Purpurea', var purpurea)(12/02)
lc: purple new growth becomes bluish-purple to purplish-green
photo, ns:
J. Mann Taylor points out correctly that the epithet 'Purpurea' is not known from pre-1959
photo, ns: literature and is thus invalid. This new name replaces it.

Euphorbia characias subsp. characias 'Silver Sunbeam' = 'Burrow Silver'

Euphorbia characias subsp. wulfenii 'Smokey'
lc: smokey gray-green, midrib often pinkish and contrasting
or: Gary Dunlop

Euphorbia characias 'Spring Splendor'
ht: 180cm - one of the largest clones
fc: golden-yellow
infl: very large, flatter inflor.
lc: blue-green

Euphorbia characias subsp. characias 'Sunkist'
ht: 60cm
lc: stems leaves tipped gold in sun
or: Gary Dunlop, Newtonards, Ireland

Euphorbia characias 'Tasmanian Tiger' (5/3)
ht: 36 in.
lc: white margined (both rare and striped)
so, in: Heronswood (online catalog 2003)

Euphorbia characias subsp. wulfenii 'Tom Savory'
ha: compact, dense in foliage
lc: blue-gray
fc: chartreuse green
or: Tom Savory, Gloucestershire, England

Euphorbia characias 'Vanilla Swirl' (11/3)
ht: 70-90cm tall x 60-90cm wide
ha: compact, globose - more compact than 'Burrow's Silver'
st: bright red becoming pinker
lc: irregularly creamy-white margined, lacking reversions as 'Burrow's Silver' and other clones
ll, lw: 90-110mm long x 13mm wide - narrower, finer textured leaf than 'Burrow's Silver'
fq: rarely if ever flowers, thus a purely foliage plant
or, pat: US# 14246 to Neal Lucas, Dorset, England 10/21/03. Found as seedling c. 1998

Euphorbia 'Cherokee' (E. characias sp. wulfennii x E. x martinii)
ht: 48 in. tall x 36 in. wide
lc: red tinged
fc: yellow-green
in: John Whittlesey

Euphorbia cyparissias 'Ashfield'
ht: 18 in. wide (8 years)
ha: slower to spreading, neater
fc: yellow (typical)
or: Mary Hargreaves, West Yorkshire, England

Euphorbia cyparissias 'Baby'
ht: 6 in. tall but often spreading invasively in the lateral direction
ha: dwarf, denser

Euphorbia cyparissias 'Bushman Boy'
ha: stems more erect, highly branched, "the most feathery" according to Roger Turner

Euphorbia cyparissias 'Clarice Howard' ('Claridge Howard', 'Clarence Howard')
ht: 10 in. tall x 15 in.wide
lc: green becoming tinged orange to red, especially at the apices. New leaves also purplish and showy. Without full sun there is little good color.
or: Howard Bateman, W. Yorkshire, England

Euphorbia cyparissias 'Fen's Ruby'
ht: 6-10 in.
st: tinged red
lc: tinged dark red, especially at the tips when young, later blue-green

Euphorbia cyparissias 'Orange Man'
ht: 10 in.
fc: greenish-yellow flowers turn bright orange unlike species. Needs strong sun to color well.

Euphorbia cyparissias 'Tall Boy'
ht: 50cm - larger than most
in: Treasures of Tenbury, England

Euphorbia dulcis 'Chameleon'
ht: 12 in.
ha: spreading clumps - not invasive as some species
lc: reddish-purple
ls: resembling Pittosporum in shape and whorling
fc: greenish-yellow
or: UK
ch: 6
or: Bill Baker but one report. Roger Turner says it was found by Jill Paxton, Wiltshire, UK in a ditch near Dordogne.
in: Hans Simon 1995
aw: RHS AM

Euphorbia dulcis 'Nana'
ht: 15cm - shorter
fc: greenish-yellow
lc: bronze-green
afc: red, orange, and golden shades, often very showy

Euphorbia epithmyoides 'Candy' ('Purpurea' invalid)
lc: bronze to brown tinged yellow, appearing somewhat purplish from a distance. Only colorful in spring in most gardens.

Euphorbia epithmyoides 'Emerald Jade'
ht: shorter than species typical
lc: more finely textured than species typical
or: Nancy Lindsay

Euphorbia epithmyoides 'First Blush' (9/02)
ht: 12-18 in.
lc: margined pink becoming margined white, quite showy in spring
wholesale source:
Sunny Border (online catalog 2002)

Euphorbia epithmyoides 'Lacy' ('Variegata' invalid)
ht: shorter than species typical
lc: margined creamy-yellow

Euphorbia epithmyoides 'Major'
ht: shorter than species typical in the modern clone - the opposite of what the epithet usually implies
bt: earlier than species typical
lc: darker green than species typical

Euphorbia epithmyoides 'Midas'
fc: floral leaves bright yellow

Euphorbia epithmyoides 'Orange Flush'
lc: darker than species typical
fc: orange tinged in some conditions but perhaps not all.
or: Jennifer Heweitt, Shropshire, England

Euphorbia epithmyoides 'Sonnengold
ht: shorter and wider than species typical
fc: floral leaves gold, later orange to brown
lc: purplish tinged in spring
or: Germany

Euphorbia EXCALIBUR 'Froeup'
ht: 80cm tall x 50cm wide
st: purplish-red
lc: translucent red new growth becoming grey-green. Midrib white.
fc: bright yellow
infl: corymb
or: David West, Fromefield Nurseries, England as E. jacquemontii or E. longifolia seedling.
pat: European PBR #6178

Euphorbia 'Golden Turm'
ns: a listed name in the UK, new about 2001.

Euphorbia griffithii 'Dixter'
ht: 36 in. - shorter than some cultivars but reports suggest it can be larger than some.
ha: more compact than species typical but not short
fc: bright orange-red, less bold than 'Fireglow' and that can be a good thing in some locations.
or: Christopher Lloyd from seedlings he obtained from Hilda Davenport-Jones
aw: RHS AM 1984

Euphorbia griffithii 'Fern Cottage'
ht: 30 in.
st: red tinged
lc: red tinged, especially near the margins
fc: dark orange
or: Clive Jones 1985. Named for his home.

Euphorbia griffithii 'Fireglow'
ht: 24 in.
ha: shrubby, mounded with age
fc: bracts glowing orange-red
lc: medium green, midribs pink
ch: 5
or: Alan Bloom
id: not all plants under this name are the same or as good. 'Improved Fireglow' is used for others. 'King's Caple' and 'Robert Poland' are two named
id: named clones that one circulated as 'Fireglow'

Euphorbia griffithii 'Improved Fireglow'
ns: a dubious name for better selections of the now polycloncal 'Fireglow'

Euphorbia griffithii 'King's Caple'
ht: larger than 'Fireglow'
bt: earlier than 'Fireglow'
fd: larger than 'Fireglow'
ns: sold as 'Fireglow' for a time, now a distinct and worthy entity.
or: Mrs. Taylor, Kings Caple

Euphorbia griffithii 'Robert Poland'
ha: more robust than original 'Fireglow'
lc: medium olive green
ll: larger than 'Fireglow'
fc: brighter red than 'Fireglow'
or: Robert Poland, West Sussex, England from plants received from Alan Bloom c. 1950's.
ns: sold as 'Fireglow' until shown distinct and superior

Euphorbia griffithii 'Wickstead'
ht: 90cm
fc: bright reddish-orange, less bright than 'Fireglow' (which is not always bad)
lc: red tinged, midrib orange, lighter than 'Dixter'

Euphorbia 'Jade Dragon'
hp: Euphorbia charachias ssp. wulfenii x E. amgdaloides 'Rubra'
ha: compact mass of whorled foliage - 'chubby' per Dan Heims.
ls: linear-lanceolate
lc: dark green - ie. jade but new growth often reddish-purple and
lc: contrasting well.
fc: yellow
id: head to 11 inches wide
ch: 6
ns: the name refers to the leaf color and the floral growth which
ns: resembles a dragon's scales.
or: Dan Heims of Terra Nova (OR)
so: Terra Nova 503-245-9543
so:
Roslyn Nursery

Euphorbia 'Lambrook Gold'
lc: rich blue - bronze tinted in cold weather
fc: chartreuse to yellow
ch: 6
or: Margery Fish of UK
so: Terra Nova 503-245-9543

Euphorbia x martinii 'Cornubiensis' (E. x cornubiensis)
ht: 60cm
fc: nectaries yellow (not red or purple as most hybrids)
or: Mrs. M. Reid, Cornwall, England 

Euphorbia x martinii 'Malahidensis'
ht: 90cm
fc: tinged purple as amagdyloides var. purpurea was one parent
or: Kird Talbor de Malahide, Eire

Euphorbia x martinii 'Red Dwarf'
ht: 75cm - shorter but hardly a dwarf
lc: new growth purplish-red, very showy
fc: nectaries darker red than typical hybrid species
or: Richard and Janet Blenkinsop, Lincolnshire, England

Euphorbia x martinii 'Red Martin'
ht: 24 in. tall x 24 in. wide
ha: leaves very erect, compact
lc: velvety red new growth
fc: chartreuse

Euphorbia myrsinites subsp. myrsinites 'Washfield'
fc: floral leaves tinged red, more showy

Euphorbia nicaeensis 'Abbey Dore'
ha: mounded to spreading
lc: gray-green
fc: yellowish-green
or: Abbey Dore Court as seedling

Euphorbia nicaeensis 'Midsomer'
ha: stems more erect than 'Abbey Dore'
lc: light blue-gray, very showy
infl: larger and flatter than 'Abbey Dore'
or: George Chiswell, Avon, England

Euphorbia palustris 'Walenburg's Glorie'
fc: golden yellow
fd: larger than species typical

Euphorbia oblongata 'Goldburst'
or: Elizabeth Parker-Jervis and Primrose Warburg sent to Oxford Bot. Garden

Euphorbia polychroma 'Candy' ('Purpurea')
ht:35-40cm
fc: purplish-green
lc: light yellow, slightly tinged green

Euphorbia polychroma 'Emerald Jade'
fc: jade green
lc: brown tinged

Euphorbia polychroma 'Lacy'
lc: uniformly variegated in white (margined?)

Euphorbia polychroma 'Major'
ha: a larger, more robust variant.

Euphorbia polychroma 'Midas'
lc: bright green
fc: greenish-yellow

Euphorbia 'Portugese Velvet'
ht: 36 in.
ha: dense, globose

Euphorbia RED WING 'Charam' (6/3)
ht: 50cm by one report. US Patent application says 70cm tall x 70cm wide
ha: compact, clump-forming, not invasively spreading
fc: cymes with red buds, especially showy in winter, open to yellow or yellowish-green
or: Bernard Ticknor, Bury St. Edmunds, England as E. char. 'Purple and Gold' x E. martinii in 1992
pat: US PPAF 3/6/03 by originator

Euphorbia 'Regally Reticent' (E. schillingii x E. griffithii?)
ht: 48 in.
fc: light yellow blushed with orange-red
or: Heronswood Nursery 1996, probably of the above parentage.

Euphorbia robbiae = E. amaygdaloides var. robbiae

Euphorbia 'Rue Ledan'
ht: 1.2m
fc: yellow and green
lc: green and brown
in: France 1996