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Catalog C

CACTUS, Hardy. For the CNY veteran, prickly pear, see Opuntia. Some of you know that weve been trying some other hardy cacti for five years. Some are doing very well. Our source is in the high desert near the Rockies. These plants require very sharp drainage all year, and full sun in summer. We offer a limited number each year, planted in a special mix, to help with the drainage needs. If youre adventurous, ask us about them.

CALLIRHOE involucrata (Poppy Mallow, Wine Cups). Charming low-growing cut-leafed native with bright red-violet cup-shaped flowers. See it mixed with Lychnis coronaria (Rose Campion), or climbing through tall grasses, as it does on the prairie.

CALLUNA (Heather). See also ERICA (Heath). A large family of ericaceous (acid-loving) plants. The flowers are always bell-like and tiny. Our supplier sends us only varieties hardy to Zone 4 and we have never lost a plant to winter kill. The exact varieties on hand vary from year to year; we have overwintered more than 30. Representative varieties are listed below; visit "Mt. Calluna", our demo bed, before choosing.

Beoley Gold. 14high x 20 across. Best gold foliage; white flowers August September.

Blazeaway. 18 x 24. Gold Spring foliage turns orange red in

Fall. Lavender flowers August - September.

County Wicklow. 10 x 18. Green foliage. Double pink    flowers July - September.

Corbetts Red. 10 x 16. Crimson flowers August - October,

dark green foliage.

Multicolor. 4 x 10. Mauve flowers July August; copper

foliage in summer, often flecked orange and red all year.

Peter Sparkes. 15 x 20. Grayish green upright foliage    supports double dark pink flowers August-October.

Silver Queen. 16 x 22. Lavender flowers July September, downy silver gray foliage.

CALTHA palustris (Marsh Marigold) Bright yellow buttercup-like flowers. This low-growing green native appears in and around water in early spring, then disappears. Once established, spreads freely by seeding. The double form is especially attractive. NEW in 2003: a white-flowered form.

CAMPANULA (Bellflower). This is a huge family. Flowers are (usually) bell-shaped; foliage varies. Most will grow in either sun or shade and are not too fussy about other aspects of their lives. Zone 3 unless noted.

carpatica (Carpathian harebell). 10". Mounds of crinkled,    pointed leaves carry blue or white upfacing and open bells,    mid to late summer. Carrying species, Light or Dark Blue

Clips, White Clips.

elatinoides (formerly garganica). Free flowering dwarf. Z 5.

glomerata (Clustered Bellflower). 18". Among the earliest    to bloom, with brilliant purple upfacing clusters of (tubular)    bells on top of rough foliage. This spreads rampantly.    Cultivar Joan Elliot looks identical, but forms a tidier    clump. There is also a white form (alba).

lactiflora (Milky Bellflower). Among the most prized of the    large bellflowers; pale violet bells on 4' plants. Varieties

Loddon Anna (pinky) and Pouffe are more compact.

persicifolia (Peach-leafed Bellflower). 24-48". Spikes of 1-   1/2" bells rise from rosettes of neat, slender dark green    leaves in late June.. This one will rebloom all summer if    deadheaded regularly. Choose from a Bluestone    selection,

   New Giant, older variety Telham Beauty, the    species,

and a beauty called Chettle Charm, or Alba, the    single

white. Kellys Gold has yellow foliage. All are good cut

flowers. Zone 4.

portenschlagiana Resholt Variety. Upright, open bluish-   mauve flowers over matted foliage. Aurea is gold-leafed.

For the rock garden.

poscharskyana (Serbian Bellflower). 6". We usually call it    "Poshky"--a little flower with a big name. This is a creeper which is particularly good in shade. Its little blue stars    cover the plant in early summer; it reblooms sporadically if    the spent flower stalks are sheared. E. H. Frost is the    delightful>

punctata (18)has long bells and is somewhat stoloniferous.

Wedding Bells is a NEW double form. Elizabeth and

Cherry Bells are rosy red and definitely vigorous.


takesimana (Tasmanian Devil). 30". This one's a thug, but a    handsome one. 2" tubular bells, lilac white outside, maroon    inside, hang above shiny dark green foliage. Use it in the    background in shade. It makes a great groundcover 12"    high (foliage only), but give it lots of space. Kent Belle is a

sterile cross between takesimana and punctata which has

ravishing blue purple 2 bells on 24 stems all summer.

CARDAMINE pratensis Edith (Garden Cress). 12-15". Moisture-loving, long-blooming Spring perennial. Double

white flowers. Sun/ part shade. Charming.

CARYOPTERIS x clandonensis (Blue Mist Shrub) is a small shrub, often treated as a herbaceous perennial because it blooms well if cut back to the ground in Spring. It then becomes a 2-3 ft round bush, blooming in late Summer and Fall. Without Spring pruning it will be larger, less dense. Dark Knight and Longwood Blue are reliable. First Choice (PP#11958) has glossy foliage and dark blue-purple flowers. It was a sensation when it appeared in 2002. Grand Bleu, new in 2003, is supposed to be better. Worcester Gold has gold leaves and is normally no taller than 30.

CASSIA marylandica (Wild Senna) is a native semi-woody plant with fine textured leaves and yellow, pea-like flowers. It grows to 4 ft in full sun, dying to the ground in winter. Hardy to Zone 4.

CENTAUREA (Perennial Cornflower, Knapweed). Zone 3.

 macrocephala. To 4'. Showy yellow for large gardens.

 montana. 24". Brilliant blue flower similar to Bachelors button but foliage is a broad-leafed, slightly felted rosette. Blooms late Spring, reblooms with sufficient moisture.

Centranthus ruber (Red Valerian, Jupiter's Beard). 24 -30". Smooth gray-green foliage carries rosy clusters of buds which open lighter. Main bloom late June but lots of rebloom with minimal attention. One of our most useful>Alba (white form).

CERASTIUM tomentosum (Snow-in-Summer). 6". Silver foliaged creeper covers a lot of ground fast. Many white single flowers above the foliage mat in late Spring. Wants sun and good drainage. Silver Carpet is the standard variety.

CEPHALARICA gigantica is a 5 ft. focal point in a large border. It has 2 inch pale yellow scabiosa-like flowers on wiry stems above a 2 ft. mound of leaves. I gather that is a sentimental favorite in English gardens. We received it years ago from friend Carl OShea. Butterflies love this plant!

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CERATOSTIGMA plumbaginoides (Plumbago or Leadwort). 8-12" groundcover. Intense blue flowers late summer, over dark green to red-bronze leaves. Slow to break dormancy. Part shade, full sun. To Zone 5.


CHELONE lyonii (Pink Turtlehead). 30". Native partial shade plant. Popular here, especially variety Hot Lips. Obliqua Alba isyou guessed itwhite.

CHIASTOPHYLLUM oppositifolium (Cotyledon). One of those rare but desirable plants for which even the common name seems pretty uncommon. It has been doing well in our Zone 5 garden. Graceful>

Chrysanthemum. A victory over the taxonomists (classifiers) mums are mums again! (It may take some time to get them re-sorted.)

morifolium (Mei Kyo). 16. Exceptionally hardy fall-bloomer

carries fragrant lilac-pink double button flowers.

superbum (Was Leucanthemum, Shasta Daisy). Nothing

clarifies a garden like white (definitely a color) and Shastas

do the job well. We grow over a dozen varieties; these are

most popular:

   Alaska . 24-30". Old standard.

   Becky. 36". Now our favorite; starts blooming later and

lasts much longer; shiny foliage, too. This is the 2003

PPA Perennial Plant of the Year.

Snowcap, at 18 high, quickly forms a large, very regular

mound topped by 1.5 2 daisies. A hit in our border.

   Tinkerbelle. 8-12". A true dwarf single, with very precise        foliage. Blooms its heart out all summer if deadheaded.

Two very useful>

 weyrichii. 2" daisies on 10" plants.       White Bomb or

Pink Bomb. Excellent groundcovers.

 zawadskii (was C. rubellum). Extra hardy (Zone 3).       Clara Curtis. 18-24". Lavender; blooms August - Oct.

      Mary Stoker. Taller straw yellow, same long bloom.

Traditional Fall mums have become a specialty plant, and too many are not hardy. In recent years we have found many of the Yoder Prophet series reliable, in addition to some oldies like Sea Urchin and Grandchild. We offer garden mums from local greenhouses, in addition to our own stock. We do not recommend mums imported from Latin America where they are too often grown under virtual slave labor conditions and a heavy chemical load.

CHRYSOGONUM virginianum (Golden Star) (6"). Under-used sun or shade groundcover; 1" yellow flowers. Eco-Lacquered Spider is an especially vigorous selection.

CIMICIFUGA (Bugbane). Large woodland native has handsome spires of small fragrant white flowers above cut-leaf foliage in Fall. Slow to multiply but worth the wait. Z. 3.

   racemosa (Black Cohosh). Northeast woodlander.   

   ramosa Atropurpurea. 5'. Absolutely smashing purple       leafed variety. Outstanding with gold hosta. Late summer.

We offer clones selected from our stock for dark leaves.

   simplex White Pearl. 48+". Flowers Sept-Oct.

CLEMATIS. The most popular deciduous vine. Culture varies; pruning advice with each plant. Most clematis like their feet in shade, their heads in sun. Our listings include species or small flowered varieties with great landscape value climbing walls, trees or shrubs. Our stock varies somewhat from year to year. Zone 4 unless listed otherwise.


Allanah. Large, dark red late bloomer; vigorous, compact.

 Alpina Helsingborg. Free flowering small blue. June.

Arctic Queen. Fully double creamy white 4-6; May-Aug.

Bees Jubilee. Pink/red bi-color May, June, September.

Belle of Woking. Semi-double pale blue. 4-6" flower.

Bill McKensie. Superior yellow-flowered orientalis -

tangutica hybrid. Zone 3.

Blekitny Aniol>Pale violet, to 12 ft. New.

Blue Moon. 6-7 lilac-white, dk anthers; June, July, late Aug.

Blue Ravine. New lavender-blue intro, June, July, late Aug.

Comtesse de Bouchard. Rose pink , yellow anthers.

Duchess of Edinburgh. Double white. 4-6" flower.

Fireworks. Red bars on blue petals, red anthers; June, Sep.

Gillian Blades. Ruffled white.

Hagley Hybrid. 5-6 pink blooms June and September.

H. F. Young. 7-8 medium blue, free-flowering.

Henrii. Large pure white flowers, brown anthers.

Jackmanii. The purple. 5-6" flowers, long bloom.

John Warren. Huge, vigorous pink.

 integrifolia. 12" bush, steely blue nodding flowers. Z3.

Ken Donson. Large flowered blue.

Kiri te Kanawa.

 lanuginosa Candida. Beautiful>

macropetala Blue. Climbing shrub to 12 ft. Small multi-       petaled flowers May-June.

Matka Urszula Ledochowski. Pearly white, red stamens;

rebloomer.From a new hybrid series originating in Poland.

Montana Mayleen. Pink flowers in spring. Do not prune in

Fall; you will lose bloom. Z 5.

montana Grandiflora. Many small white flowers in       spring; rampant grower. Do not prune in Fall. Z 5.

Mrs. Cholmondeley. True blue. May, June, Sept.

Mrs. N. Thompson. Deep blue, scarlet bar; May, June, Sept.

Multi Blue. 4-5". Very double dark blue-purple. Blooms       June, July, Sept. 7-8 ft. vine.

Niobe. Standard large-flowered red.

Perle d Azur. Nodding true blue flowers, free-flowering

July and August. Charming older variety.

pitcheri. 6-10 ft. Violet to purple bells, July-Sept,       especially nice seed heads. Central U.S. native. Zone 5.

Pink Fantasy. 4-5 pale pink, darker bars. June-Sept.

Ramona. Reliable medium blue with rebloom.

Rouge Cardinal. Velvety red blooms July - Sept.

Sugar Candy. 6-7" Pinkish-mauve with darker bar. May -       September bloomer. Very nice.

Sunset. Red, purple edge; blooms May - Sept.

terniflora (Sweet Autumn). Shiny leaves, small white       flowers. (Was paniculata, maximonicziana).

tangutica (Golden Bells). Yellow flowers resemble

Japanese lanterns; attractive seed heads.

texensis Duchess of Albany. 2" pink bell-like blossoms on       a strong growing vine. One of the best!

t. Gravetye Beauty. Deep red, brown anthers. July - Sept.

The President. Large, deep purple, continuous bloomer.

triternata Rubromarginata. Purple-red flowers shading to

white, green stamens. Easy grower, late bloomer. Z 5.

Vino. 7-8" petunia-red blooms May-Aug. Compact.

viticella. A small-flowered, free blooming vigorous species;

most cultivars are quite long blooming.

v. Alba Luxurians. Good white.

v. Betty Corning. Pale blue bells July-Sept. 

v. Mme. Julia Correvon. 2" flowers of rich, velvety       wine red on a vigorous vine. Super!

v. Polish Spirit. Velvety blue-purple. Excellent.

v. Purpurea Plena. Double-flowered red-purple.

v. Royal Velours. Semi-belled deep purple; July-Sept.

v. Venosa Violacea. White, purple veins; July-Aug.

Warsaw Nike. 5 velvet purple, May thru Sept. 8-10 ft.

Westerplatte. Dark red.

CONVALLARIA majalis (Lily-of-the-Valley). Everyone knows these beautifully scented little bells. Zone 2! We have a limited supply of Rosea (pink).


COREOPSIS (Tickseed). Yellow lance-leafed varieties offered include Baby Sun, Early Sunrise, and Sunray. Also Sterntaler, whose 3 blossoms go on all summer. Distinguished by a brown eye. C. tripteris (Z4) grows to 6 ft. on our western plains; heavily branched with 2" yellow flowers. The thread leafed types are much liked:

   rosea. Rosy pink. 10". Z4. American Dream is a selection.

   verticillata Alba. White flowered form.

   v. Moonbeam. Pale yellow. 12-15". Continuous bloomer.

   v. Zagreb. Orange-gold. To 18" here.

Limerock Ruby. NEW ruby red, Jun-Sept, 18, PPAF

Sweet Dreams. Color break: large white flowers blending

to deep pink at center, Jun-Aug. 12 stems. PPAF

CORYDALIS. 15". A long-blooming cheerful>Lutea carries racemes of cheerful>Ochroleuca is the lovely white in our astilbe garden. Solida is the lavender pink spring bloomer which goes dormant in summer. China Blue took some time to settle in, but is now lovely, may be summer-dormant. Ex Dufu Temple is a

lighter blue, choice! x Blackberry Wine (NEW in 2003) has wine-purple flowers on 10-12 plantstunning!.Cheilanthifolia is more of a clumper, to 2 ft., nice texture contrast to hosta. Sempervirens is a long-blooming 15 pink/yellow. New in 2002 from seed collected in Ontario.

CRAMBE cordifolia (Sea Kale). For the "big plant people" among us. I've heard it described as a giant gypsophila (Baby's Breath) atop a giant rhubarb. The whole thing takes

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up 5 to 6 feet in both directions. Maritima is 2 ft, with cabbage-like leaves, edible. Both prefer a sweet soil, full sun.

CROCOSMIA. Looks like a smaller scale gladiolus. It needs light well-drained, but moist soil. Lucifer is a clear, bright red, just the ticket in a summer perennial bed. To Zone 5.

Hardy CYCLAMEN grows 4 to 6 inches. The tiny reflexed flowers look like shooting stars, shocking pink or white. Narrow heart-shaped leaves are pleasingly marbled. Coum blooms in early spring. Hederifolium blooms Sept-Oct.

CYMBALARIA pallida (Kenilworth Ivy). 2". Tiny frosted green leaves (campanula shaped) and unusual lavender flowers in scale. Seems happiest in part shade. SPREADS!

CYNANCHUM ascyrifolium sports half-inch white flowers on a loosely branched stem rising from shiny dark green foliage. The whole plant is about 18" tall. Long bloom, good foliage all summer: To see it is to love it.