HERBACEOUS PERENNIALS SEASON BY SEASON 155 



MAY — continued 



Name Color Height in inches 



*Iris sibirica Purple 30 to 36 



»Iris sibirica alba White 30 to 36 



Iris versicolor Purple and yellow 30 to 36 



♦Aquilegia vulgaris nivea White 30 to 36 



Polygonatum giganteum Creamy 30 to 36 



*Papaver orientale and vars Salmon to maroon 30 to 40 



♦Pseonia Moutan (tree vars.) Various 30 to 48 



Podophyllum emodi majus Pink 36 



*Anchusa italica, Opal and Dropmore Blue 36 to 60 



Iris ochroleuca Yellow 48 



Iris Pseudacorus Yellow 48 



JUNE 



Calystegia pubescens fl. pi Pink Trailing 



Thymus lanuginosus Lilac Trailing 



Thymus serpyllum White Trailing 



Thymus serpyllum coccineum Scarlet Trailing 



Thymus serpyllum splendens Purple red Trailing 



Lithospermum prostratum var Blue Trailing 



Lysimachia Nummularia Yellow Trailing 



Sedum acre Yellow 2 to 4 



Sedum sexangulare Yellow 2 to 4 



Thymus citriodorus Lilac 3 to 4 



Veronica rupestris Bright blue 3 to 4 



Veronica rupestris alba White 3 to 4 



Viola pedata Blue 3 to 4 



Viola pedata bicolor Purple and blue 3 to 4 



Veronica Allionii Gentian blue 3 to 5 



Sedum Middendorfianum Light yellow 3 to 5 



Gypsophila cerastioides White 3 to 6 



Nepeta Mussinii Lavender 4 to 6 



Viola odorata Blue 5 to 8 



Globularia trichosanthes Blue 5 to 8 



Linum alpinum Blue 5 to 8 



Viola cornuta, all vars Various 5 to 8 



Asperula odorata White 6 to 8 



Cerastium tomentosum White 6 to 8 



Polemonium reptans Blue 6 to 8 



Sedum kamtschaticum Yellow 6 to 8 



Tunica saxif raga Light pink 6 to 8 



Oxytropis hybrida grandiflora White 6 to 8 



Papaver alpina White 6 to 9 



Sedum pulchellum Pink 6 to 9 



Iberis sempervirens and vars White 6 to 9 



Cerastium Biebersteinii White 6 to 9 



Myosotis alpestris alba White 6 to 9 



Myosotis alpestris, Victoria Light blue 6 to 9 



Dianthus deltoides Pink 6 to 10 



Dianthus deltoides alba White 6 to 10 



Armeria maritima splendens Bright pink 6 to 12 



Armeria maritima alba White 6 to 12 



Nierembergia rivularis White 6 to 1 2 



Veronica Teucrium Blue 6 to 12 



Potentilla pyrenaica Yellow 6 to 12 



Pulmonaria saccharata maculata Blue 6 to 12 



Ranunculus repens fl. pi Golden yellow 6 to 12 



Tiarella purpurea major Salmon red 6 to 12 



Hierracium aurantiacum rubrum Orange red 6 to 24 



Armeria Laucheana rosea Rose 8 to 10 



Armeria Laucheana alba White 8 to 10 



♦Campanula carpatica Blue 8 to 10 



♦Campanula carpatica alba White 8 to 10 



♦Myosotis palustris semperflorens Blue 8 to 10 



Iberis gibraltarica Lilac 8 to 12 



♦Lychnis grandiflora Light yellow 8 to 12 



Lychnis grandiflora alba White 8 to 12 



Epimedium diphyllum roseum Rose 9 



Epimedium pinnatum colchicum Yellow 9 



Saponaria ocymoides Rosy red 9 to 1 2 



♦Campanula rotundifolia Blue 9 to 12 



Rhexia virginica Rosy purple 9 to 12 



