GLENDOICK CATALOG: DWARF RHODODENDRONS

BATHYPHYLLUM C.6541, 6542A 60cm (2ft) H5. Natural hybrid of proteoides x
aganniphum. Should have white flushed pink flowers. Fine foliage and very attractive compact
dense habit. Rare. April- May.

" WINDSOR. Sold for many years as R. aganniphum var. flavorufum this better matches R.
bathyphyllum. Pale pink flowers. Indumentum splitting into patches on the lower leaf surface.

" DAWYCK. This small-leaved plant was labelled roxieanum var. cucullatum but clearly fits
much better into bathyphyllum. Grafts.

BULU C.V. 9503. 1.6m (5ft). H4-5?. Newly introduced Lapponica species from S.E. Tibet.
One of the largest of the subsection. Upright habit with pinkish-purple flowers. Should be
fairly heat and drought tolerant. First time offered. April-May?

CAESIUM (Trichoclada S.S.) 1.20m (4ft) H3. A rare species, seldom offered. Bright yellow
flowers in June-July on a compact bush with glaucous foliage.

CAMPYLOGYNUM (Campylogyna S.S.). Gems for the peat bed or rock garden. Nodding
little thimble-shaped flowers and neat foliage. Free- flowering, late April into June. We can
thoroughly recommend the following. All H4 unless stated.

2. CLARET 4Ocm. (16in.) Claret-coloured flowers and superb dark shiny foliage. Compact

3. WHITE (leucanthum) A.M. 3Ocm (1ft.) Masses of creamy-white flowers. Most
attractive.

4. CHAROPOEUM 5Ocm. (2Oin.). A fine clone of this former variety which is larger in all
parts than the above. Rose-coloured flowers in late April-May.

5. CREMASTUM 'BODNANT RED' A.M. 6Ocm (2ft) The nearest to a true red of all dwarf
lepidotes. Leaves green underneath.

6. MYRTILLOIDES 15cm. (6in.) Quantities of mauve-pink little thimbles on a low mound.

7. MYRTILLOIDES FARRER 1O46, H3, 2Ocm. (8in.) Purple flowers and the neatest of
small dark shiny leaves. Not as hardy as the other forms.

9. PLUM BRANKLYN Plum-coloured flowers and dark shiny foliage. Blooms a little earlier
than most of the above.

10. NEW PINK. Large pale pink flowers. 50 cm (20 in)

11. BERYL TAYLOR A.M. LS&T 4738. Reddish flowers. Low growing.

13 S.B.E.C. 509 Select. Large claret-coloured flowers and fine dark glossy leaves, compact.

14 CREMASTUM CERISE H3. Low habit, leaves green below. Flowers cerise.

15 C. 6095. A vigorous collection from the Mekong-Salween divide Black-purple flowers.
60cm (2ft)?

16 A.C. 126, 942. A new introduction from N.E. Yunnan. Habit and flower colour unknown.

CAMTSCHATICUM (Camtschatica S.) 2Ocm (8in.) H5. Very unusual species, there being
much discussion whether indeed it is a rhododendron. Native to Alaska and N.E. Asia. Does
best in the north. It is a deciduous creeper which bursts into life in the spring, often flowers
twice a year. May-June.

" LARGE-FLOWERED PURPLE SELECTION with larger flowers than usual.

" RED FLOWERED SELECTIONS. Rare, these really are a bright red colour. From years of
our own careful selection. A must.

" WHITE Exceedingly rare. A little gem; slow-growing.

 

CEPHALANTHUM (Pogonanthum S.) (Anthopogon S.) 25cm (1Oin.) H4. Dwarf pink form.
A beautiful dwarf with dark aromatic foliage and daphne-like flowers in neat trusses. One of
the best of the section. April-May.

" SBEC 0751. Pure white flowers and tiny leaves. Very fine but a challenge to grow well.

" NMAIENSE GROUP. C.V. 9513 from S.E. Tibet. Usually with pale yellow flowers though
some forms are cream or pale pink.

" CREBREFLORUM 1Ocm. (4in) Very low growing and compact with charming cream or
pink flowers. Very slow-growing. One of our special favourites. April-May.

" VAR. PLATYPHYLLUM Much larger leaves and larger flowers than the type. Flowers
white. Recently reintroduced. Limited numbers. Very rare.

 

CILIATUM X EDGEWORTHII 1.20m (4ft) H3-4. A new hybrid which we have great hopes
for. A white, pink-tinged, scented, compact plant which is hardy enough for planting outside
in a sheltered site, even in E. Scotland. Early May. 2 clones: 'A' has the largest flowers
while 'B' has more of them.

 

CITRINIFLORUM (Neriiflora S.S. 1m (3ft) H4. This species has thicker indumentum than R.
sanguineum Most forms have a compact habit. Rare. April-May. R. 108. Yellow flowers.
H.P. Yellow flowers. C. 6543A yellow flowers, flushed pink. New introduction. 

" CONSANGUINEUM GROUP (formerly sold as R. sanguineum this plant fits better into
this species.) Dark red flowers, dark leaves and a neat habit. Slow growing.

" VAR. HORAEUM ORANGE F.21850 (Neriiflora S.S.) 1m (3ft) H4. Flowers orange, shot
crimson, one of the most showy species of this colour. Compact habit and fine foliage.
Demand always exceeds supply. April.

 

CRANE (keiskei 'Yaku Fairy' x racemosum 'Whitelace') 1m (3ft) H5. A pure creamy-white
version of 'Ginny Gee' which is hardy, very free- flowering and easy to please. This
Glendoick hybrid is likely to become one of the best selling and most popular white dwarf
varieties. April.

 

DENDROCHARIS (Moupinensia S.S.) 60cm (2ft)? H4-5? NEWLY INTRODUCED.
Probably the finest new species to be introduced in recent years. Tiny dark green leaves and
relatively large, deepest pink to reddish flowers. Neat compact habit. It has come through
recent hard winters at Glendoick. Needs good drainage. April (outdoors) March (indoors)
Several forms:

C. 5106. seedlings and selections-deep pink flowers. CC&H 3915 clone #D most handsome
foliage. CC&H 4012-fine flowers.

 " Aff. Guiz 120. This may better match R. petrocharis. Pure white flowers. Larger leaves than
R. dendrocharis. Very fine

 

FROSTHEXE (Pogonanthum S. x Lapponica SS) 30cm (1ft) H5. A most unusual and
attractive new hybrid From W. Reich which we are sure will become very popular. Clusters of
daphne-like purplish-blue flowers on a neat, compact and tough plant with dark green
leaves. Always an eye-catcher. May.

GOLFER (yakushimanum x pseudochrysanthum) 1.20m (4ft) H4. Very fine Warren Berg
hybrid. Leaves fawn below with very showy white indumentum on the upper surface which
persists all summer. Flowers pale pink>white. May.

 

GRAZIELA (ponticum x roxieanum. 1.2m? (4ft) H5. This curious hybrid which we obtained in
Germany has extremely narrow pointed leaves like a dwarf R. roxieanum without
indumentum. Flowers are pinkish purple in May. A fine foliage plant for the small garden.

 

HARKWOOD PREMIERE (yakushimanum x 'Bud Flanagan') 1.2m (4ft). H5. One of the
best blotched 'yak' hybrids. Flowers open lilac and fade to white with a pronounced reddish
purple blotch in large rounded trusses. Vigorous but with a fairly tidy habit. May-June.
Available 1998-99.

 

HIPPOPHAEOIDES  var. OCCIDENTALE CCu. 9314 Narrower leaves and shorter style
than  var. hippophaeoides, flowers purple. New introduction, rare.

 

IMPERATOR K.W. 6884. 15cm (6in) H3-4. The original Kingdon Ward introduction from
Upper Burma. Masses of very showy dark purplish- pink flowers. Choice. Best covered with
a cloche in winter. April- May.

 

X INTERMEDIUM WHITE. 1m (3ft) H5. A natural hybrid between ferrugineum and
hirsutum from Europe. Dense compact habit. Rare white form.

 

JUNE BEE (keiskei 'Yaku Fairy' x 'Mary Fleming') 1m (3ft) H5. Masses of creamy-white
flowers on a vigorous, tough plant. Very free- flowering and spectacular. Likely to become
very popular. April.

 

KAWAKAMII (Syn. taiwanianum) (Pseudovireya S.S.) 1m (3ft.) H2-3. Surprisingly hardy.
Leathery evergreen leaves. Clear yellow flowers in July-August. Best on mossy rock,
tree-stump or raised bed.

 

KEISKEI  X SPINULIFERUM CLONE 'A'. 1m (3ft) H4 Eye-catching, curious tubular pale
pink flowers on a vigorous but tidy grower with bronzy new growth. April.

" " CLONE 'C'. Another clone with cream flowers striped pink.

 

KONGBOENSE (Pogonanthum S.) to 1.5m (5ft) H4. Upright or low habit. Very aromatic
leaves. Flowers small, deep strawberry-red. Needs perfect drainage and cool roots. Rare
and choice. March-May. (See also primuliflorum deep pink.)

" C.V. 9540, C.C. 7575 from S.E. Tibet.

 

LAMPION ('Bad Eilsen' x yakushimanum) 60cm (2ft) H5. A wonderful new German hybrid
and one of the most dwarf and compact 'yak' hybrids. Light red, long-lasting bell-shaped
flowers in loose trusses, gradually fade to cream-pink, giving a two-toned effect. Deep green
leaves with contrasting red buds. Certain to become very popular. May.

 

LONGISTYLUM (Tephropepla S.S.) 1m (3ft). H3. This rare species from Sichuan has narrow
leaves and trusses of white flowers. May.

 

NICOLETTA ('Fantastica' x 'Perlina') 1.20m (4ft) H5. A fine new 'yak' hybrid from
Hachmann with rounded trusses of pink-fading-to-white flowers with a bold red flare.
Free-flowering and compact with healthy dark foliage. May-June.

PRONUM, (Taliensia S.S.) 30cm (1ft) spreading. H5. Glaucous recurved leaves with fawn
indumentum. Very compact habit. Flowers (rarely) creamy-white. A much sought-after
species for the connoisseur which is still very scarce. April-May. We offer the R.B. Cooke
clone with bluest leaves, the Towercourt clone with greener leaves and H.P. seedlings.

 

PRONUM X PROTEOIDES 30-60cm (1-2ft) H5. Seedlings of our cross between these two
rare connoisseur's species. Superb dense, compact dwarfs with small leaves with thick
indumentum. Flowers will be pale pink to white, after many years.

 

PROTEOIDES Rock, KGB. 700, C. 6542, H.P. (Taliensia S.S.) 60cm (2ft) H5. Much sought
after by collectors for its tiny indumented leaves and neat, dense, compact habit. Flowers
(rarely) pale pink to white. Recent introductions now available as well as several clones.
March-April.

 

ROXIEANUM CUCULLATUM C.W. New introductions. The excellent foliage is very much
wider than the above with equally good indumentum. Very rarely offered.

" VAR. PARVUM (roxieanum x proteoides) H.P. & C.W. 1m (3ft) H5. This
hybrid/intermediate is commonly found where these two species meet in the wild. Leaves
intermediate in size between those of the two species. Flowers white or pale pink with red
spotting. An excellent foliage plant. April.

 

SEINGHKUENSE K.W. 9254 (Edgeworthia S.S.) 1m (3ft) H2. The very rare yellow flowered
relative of edgeworthii for greenhouse and conservatory. Small indumented leaves. Needs
very good drainage. March-April.

 

SENATOR HENRY JACKSON (yakushimanum x 'Mrs Horace Fogg') 1m (3ft) H4. This
'yak' hybrid has amongst the finest pure white flowers of any rhododendron. Dark green
leaves with indumentum on the lower surface. May.

 

SWIFT (ludlowii x viridescens) H3-4. 60 cm (2ft) A new dwarf hybrid, this has yellow
flowers, strongly spotted red, with red stripes on the reverse, very freely produced in May.
Healthy foliage. Not for gardens colder than Glendoick.

 

TSAII AFF. C.&H. 7022 (Lapponica S.S.) to 1m (3ft) H5?. Closely related to the
not-yet-introduced tsaii this plant seems to be intermediate between it and hippophaeoides.
Pale to deep lavender flowers. April?

 

TSARIENSE X PROTEOIDES 60-90cm? (2-3ft?) H5. Excellent foliage. Neat small leaves
with thick rufous indumentum. Flowers white flushed pink. April-May.

 

VALENTINIANUM (VAR. OBLONGIFOLIUM?) C.&H. 7186 (Maddenii S.S.) 2m (6ft)+.
H2?. Very different from valentinianum and much larger in all parts. Best considered a new
species. Roundish hairy leaves and yellow flowers. From S.E. Yunnan.

 

YELLOW DANE (rupicola var. chryseum x hanceanum 'Nanum') 30cm (1ft) H5. This is a
very slow-growing, compact plant with freely- produced deep yellow flowers with long
stamens. It should do very well in severe climates where summers are not too hot. May.