Ageratum houstonianum. Catharanthus roseus. PLS350: Herbaceous Garden Plants. Central, South America. Height:

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1 Page 1/5 Ageratum houstonianum Flossflower Asteraceae Central, South America Frilly ray florets; lavender, blue, pink, or white Opposite, heart-shaped Flowers soft, forming rounded mounds N/a Mounding Annual Full sun, well-drained soil, deadhead to promote rebloom Bedding, window boxes, pots Intolerant of heat and humidity; crown rot if top soil too wet Danube Series; Hawaii Series, Blue Horizon Catharanthus roseus Madagascar Periwinkle Apocynaceae Madagascar petaled pinwheel phlox-like flower in many colors - hot or pastel; flowers season long. Leathery dark green opposite leaves Annual Full sun; Warmth loving; needs dry sandy soil Bedding, containers Rots in wet conditions - avoid overhead watering Many; Pacifica Series is superior group of bedding plants - eg. 'Pacifica Red'

2 Clematis species Page 2/5 Clematis, Virgins Bower Ranunculaceae Europe, Himalayas, N. & C. America 3-20' depending on cultivar Depends on desired effect Single and double large flowering, bell, tulip and star shaped; red, yellow, pink purple, white, blues Lance shaped to ovate Upright vining Twining, vining, trailing, upright: zone 3-9 Clematis likes its tops in the sun, but its roots in the shade. Can tolerate some part shade. Likes fertile, moist, slightly alkaline soil. There are 3 pruning/cultivation groups. Arbors, pergolas, trellis, walls; grow with climbing roses; cottage gardens, large containers Viral wilt, aphids,scale, powdery mildew, stem cankers C. montana - small flower in spring; C. paniculata - sweet autumn clematis, flowers in Sept -Oct; hundreds of large flowering hybrids Colchicum speciosum Meadow Saffron, Showy Autumn Crocus Colchicaceae Europe, North Africa 12 Closely space for strong effect 4-10 erect flowers on tubes. Purple-pink Appear in spring, Bulbs / allies Erect bulb; USDA zones 3-9 Sun or part shade. Spring foliage needs to mature undisturbed. Moist soil. Heavy fertility to promote bulbing. Massing near shrub border or garden edge Leaf smut 'The Giant' 'Water Lily' = Double flowers

3 Dianthus gratianopolitanus Page 3/5 Cheddar Pink Caryophyllaceae SW England 8 inches To 16 inches Solitary, fragrant, pink-red flowers in May-June. Contrasting eye and throat. Linear gray green / evergreeen Fine Central European mts. Clumping ground cover; USDA zones 4-8 Not long-lived. Likes full sun and light, alkaline soil. Shear after flowering and provide winter protection Front border, rock garden None significant Seen: 'Pixie' and 'Firewitch', PPA 2006 Hemerocallis hybrids Daylilly Xanthorrhoeaceae Native 2'-3' 3 ft apart 6 tepals; colors vary widely; remontant=reblooming Arching strap-like leaves to 24 Medium BULBS/ALLIES Clumping, tall flower scapes leaning towards the sun Full sun or partial shade Border, cutting, naturalizing? The common escape is H. fulva, Tawny Daylilly Slugs, snails, spider mites 'Stella d'oro' and thousands more; extensively hybridized, many polyploids

4 Page 4/5 Heuchera hybrids Coral Bells Saxifragaceae North America Small on long slender stems in panicles, red, pink, or white Basal, lobed, dentate, hairy, to 2 Shade, Woodland Mounding Partial shade, moisture important,remove fading flowers Cut flowers, borders, accent foliage plant, attracts hummingbirds Stem rot Many available are hybrids, H. x brizoides. Frosty, Red Spangles, Apple Blossom, Raspberry Regal. Dan Heims is a major breeder of Heuchera. Hibiscus moscheutos Common Rose Mallow, Swamp Rose Mallow Malvaceae Southern U.S. Up to 8 ft Up to 3 ft Funnel shaped flowers, 8-10 Broadly ovate -to lanced-shaped, unlobed or 3-5 lobed midgreen lvs Strong vertical accent; zones 5-10 Woody based perennial that need long-hot summers to flower well. Full sun, neutral to alkaline WD soil - winter-damaged specimens may regenerate if cut back to the woody stem Back of the border, children's garden, cottage garden; mixed shrub border Rusts, fungal leaf spots, bacterial wilt; Japanese beetles 'Anne Arundel', Disco Belle Series, 'Southern Belle', 'Lord Baltimore'

5 Stokesia laevis Page 5/5 Stokes Aster Asteraceae Southeastern U.S Blue, creamy-yellow, or white; divided rays and shaggy look; blooms July-September Evergreen basal rosette Upright to low arching Basal clumping with erect stems USDA zones 5-9 Sun to partial shade in fertile, well-drained soil; deadhead promptly for longer bloom Southern native; mid-border late season bloom; cutting Leaf spot - sometimes caterpillars 'Blue Danube' - slate-blue flowers; 'Mary Gregory' - yellow flowers; 'Silver Moon' - silvery white flowers Tropaeolum majus Powered by TCPDF ( Tropaeolaceae South America 1'?3'T; 6' for climbers 5-petaled, spurred, reds, oranges, yellows Rounded, radial veins, alternate, peltate Annual Moist soil, full sun to part shade Borders, containers, trellis, edible leaves and flowers Aphids 'Crimson Beauty', Alaska Hybrids, Jewel Mix Nasturtium