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Calendar of Bloom

Alyssum sexatile compactum APRIL Anemone blanda (Blue Winter Windflower) Anemone Nemerosa (Wood Anemone) Anemone ranunculoides (Yellow Wood Anemone) Anemone Sylvestrus (Snowdrop Windflower) Arabis alpina (Rock Cress) Aubretia (False Rock Cress) Andromeda Japonica Bellis perennis (English Daisy) Crocus in variety Chionodoxa (Glory of the Snow) Claytonia virginica (Spring Beauty) Dicentra Cucullaria (Dutchman's Breeches) Dicentra canadensis (Squirrel Corn) Doronicum (Leopard's Bane) Eranthus hyemalis (Winter Aconite) Epimedium (Barren-wort) Forsythia (Golden Bells) Frittalaria Imperialis (Crown Imperials) Hyacinth Hepatica triloba (Liver Leaf) Helleborus niger (Christmas Rose) [234] Hydrastis canadensis (Orange Root) Iris pumila and various dwarf species Lychnis alba (White Campion) Muscari (Grape Hyacinth) Myosotis dissitiflora and palustris semperflorens (Forgetme-not) Mertensia virginica (Blue Bells) Narcissus (Daffodils) in variety Puschkinia scilloides (Striped Squill) Pansies Phlox vars. subulata and divaricata canadensis Primula veris (English Cowslip) Primula vulgaris (English Primrose) Polemonium reptens (Greek Valerian) Saxifraga var. Megasea (Saxifrage) Sanguinaria canadensis (Bloodroot) Scilla Siberica (Squill) Silene Pennsylvanica (Wild Pink) Tulips (Early varieties) Trillium (Wake Robin) Asters, Alpine vars MAY Alyssum Sexatile compactum Anemone Pennsylvanica and Sylvestrus (Windflower) Anemone pulsatilla (Pasque Flower) Anemone Alpina (Alpine Anemone) Anemone Nemerosa (Wood Anemone) [235] Anemone thalictroides (Rue Anemone) Aubretia in var. (False Rock Cress) Armeria (Sea Pink) Aquilegia in var. (Columbine) Asperula odorata (Sweet Woodruff) Azalea indica, vaseyi and others Ajuga reptens and other vars. (White Bugle) Allium Mutabile (Wild onion) Arenaria (Sandwort) Anchusa vars. Capensis, Italica, Barrelieri (Alkanet) Bellis perennis (English Daisy) Campanula glomerata (Clustered Harebell) Centaurea Montana (White Mountain Bluet) Cerastium vars. grandiflorum and arvense (Chick-weed) Cypripedium candidum (Lady Slipper) Cypripedium pubescens and parviflorum (Lady Slipper) Colutea Arborescens (Bladder Senna) Convallaria Majalis (Lily-of-the-Valley) Cornus Stolonifera (Red-twigged dogwood) Cerastium tomentosum (Snow in Summer) Daphne Cneorum (Garland Flower) Dicentra Spectabilis (Bleeding Heart) also varieties Culcullaria, Formosa, Eximia and Canadensis Deutzia in variety Diervilla florida (Weigela) Doronicum in var. (Leopard's Bane) [236] Erigeron in var. (Fleabane) Exochorda grandiflora (Pearl Bush) Geum var. Heldreichi and others (Avens) Frittalaria in variety (Frittilary, Crown Imperials) Hemerocallis flava and other early vars. (Yellow Day Lily) Helesia tetraptera (Silver Bell) Hesperis Matronalis (Sweet Rocket) Iris in variety (Flags, Fleur-de-lis) Iberis Sempervirens and other vars. (Hardy Candytuft) Linum perenne and other vars. (Flax) Lychnis alpina and alba (Campion) Lunaria biennis (Honesty) Lonicera tartarica (Bush Honeysuckle) Leucojum aestivum (Summer Snowflake) Mertensia virginica (Blue Bells) Myosotis in var. (Forget-me-nots) Narcissus in var. (Daffodils and Jonquil) Pæonia in var. (Peony) Philadelphus (Mock Orange) Phlox Subulata, Divaricata, Arendsi Pansies Primula (Hardy Primrose) Papaver Orientale (Oriental Poppy) Papaver nudicaule (Iceland Poppy) Papaver alpinum (Alpine Poppy) Pachysandra procumbens (Mountain Spurge) Pachysandra terminalis (Japanese Spruge) [237] Polemonium album (White Jacob's Ladder) Polygonatum multiflorum and giganteum (Solomon's Seal) Potentilla in var. (Cinquefoil) Puschinia scilliodes (Striped Squill) Pentstemon gracilis (Slender Beard Tongue) Polemonium cæruleum (American Jacob's Ladder) Rhododendrons Sanguinaria Canadensis (Bloodroot) Silene Alpestris (Alpine Catchfly) Silene Pennsylvanica (Wild Pink) Saponaria ocymoides (Soapwort) Saxifraga in var. (Saxifrage) Sedum acre, anglicum, and ternatum (Stonecrop) Scilla campanulata (Squill) Spiræa thunbergii, prunifolia, van Houttei Syringa, in var. (Lilac) Thermopsis, in var.

Thalictrum, Aquilegifolium (Meadow Rue) Trollius Asiaticus, Europeus and Japonicus (Globe Flower) Tulips, late vars. as Darwin, Parrot, Rembandt and Dutch Breeders Verbascum longfolium (Mullein) Vinca Minor (Periwinkle) Valeriana officinalis (Garden Heliotrope) Veronica prostrata, rupestris, officinalis and Spuria (Speedwell) Viburnum tomentosum (Snowball) Viola in variety [238] Wistaria, Chinese and Japanese varieties Althæa rosea (Hollyhock) JUNE Aconitum, Spark's variety (Monkshood) Armeria maritima and alpina (Sea Pink) Agrostemma Coronaria (Mullein Pink) Alpine Asters Amsonia angustifolia (Amsonia) Arenaria montana (Sandwort) Astilbe, in var. (Herbaceous Spiræa) Azalea in var. including arborescens and candulaceæ Achillea Ptarmica (Sneezwort) Anthemis tinctoria (Golden Marguerite) Anemone vars. nemerosa, Pennsylvanica Sylvestris and narcissiflora (Windflower) Baptisia Australis and Tinctoria (False Indigo) Bocconia cordata (Plume Poppy) Clematis recta (Upright Virgin's Bower) Coreopsis Lanceolata grandiflora (Tickseed) Campanula vars. carpatica, medium, glomerata M. calycanthema, persicifolia, punctata and others Chrysanthemum var. Shasta Daisy Cypripedium, in var. (Lady Slipper) Callirhoe involucrata (Purple Poppy Mallow) Diervilla florida (Weigela) Digitalis (Foxglove) Dianthus, in var. (Hardy Pinks) [239] Dianthus, barbatus (Sweet William) Delphinium, in var. (Larkspur) Dictamus fraxinella (Gas Plant) Eremurus Erigeron, in var. (Fleabane) Erica Carnea (Heath) Erinus alpinus (Wall Erinus) Funkia cærulea, ovata, sieboldiana (Plantain Lily) Geum, in var. (Avens) Gypsophila cerastoides and repens Heuchera sanguinea (Coral Bells) Hemerocallis in variety (Yellow Day Lily) Helianthemum (Rock Rose) Houstonia purpurea (Large Houstonia) Iris, in var. (Flag, Fleur-de-lis) Kalmia latifolia (Mt. Laurel) Kerria japonica Lupinus polyphyllus (Lupin) Lilium vars. croceum, candidum, tenuifolium, elegans, washiongtonianum and others (Hardy Lily) Lychnis, in var. (Campion) Lysimachia clethroides and others (Japanese Loosestrife) Linum flavum (Yellow Flax) Linaria cymbalaria (Kenilworth Ivy) Lythrum vergatum (Loosestrife) Matricaria (Feverfew) Melissa officinalis (Balm) Mentha rotundifolia (Mint) [240] Oenothera acaulis and others (Evening Primrose) Papaver Orientale (Oriental Poppy) Papaver nudicaule (Iceland Poppy) Pæonia, in var. (Peony) Phlox, Miss Lingard Polygonatum multiflorum and biflorum (Solomon's Seal) Philadelphus (Mock Orange) Pyrethrum hybridum (Giant Daisy) Pachysandra terminalis (Japanese Spurge) Primula japonica and others (Primrose) Potentilla hybrida vars. (Cinquefoil) Rhus cotinus (Smoke Bush) Rhododendron Roses, in variety Rosemarinus officinalis (Rosemary) Scabiosa caucasica and sylvatica (Blue Bonnet) Sedum album, pulchellum, acre, sexangulare, roseum, midendorfianum (Stonecrop) Symphoricarpus, racemosus (Snow Berry) Salvia pratensis var. alba and officinalis (Meadow Sage) Saxifraga, in var. (Saxifrage) Silene alpestris, caucasica, and maritima (Catchfly) Saponaria ocymoides (Soapwort) Thalictrum, aquilegifolium, glaucum and adiantifolium (Meadow Rue) Trollius (Globe Flower) Thermopsis caroliniana, mollis, montana (Thermopsis) Tunica saxifraga (Saxifrage) [241] Veronica, incana, officinalis, rupestris, spicata and spuria (Speedwell) Valerina officinalis (Garden Heliotrope) Viburnum opulus (High Bush Cranberry) Wistaria speciosa Yucca filamentosa (Adam's Needle) Alyssum rostratum Althæa rosea (Hollyhock) JULY Abelia grandiflora (Arbutus Bush) Astilbe (Herbaceous Spiræa) Spring sown Annuals in variety Achillea ptarmica, filipendulina and tomentosa (Sneezewort, Yarrow, Milfoil) Anthemis kelwayi and tinctoria (Golden Marguerite) Bocconia cordata (Plume Poppy) Callirhoe involucrata (Purple Polly Mallow) Cannas in variety Campanula rotundifolia (Blue Bells of Scotland) Campanula Pyramidalis (Chimney Bellflower) also vars. muralis, carpatica and persicifolia Clematis jackmani Centaurea montana (Perennial Cornflower) Coreopsis lanceolata grandiflora (Tickseed) Chrysanthemum maximum (Moon-Penny Daisy) Chrysanthemum var. Shasta Daisy (Shasta Daisy) Cimicifuga racemosa (Snakeroot) [242] Dahlias, in variety Delphinium, in var. (Larkspur) Echinops (Globe Thistle) Eremurus Erigeron speciosus (Fleabane) Eryngium amethystinum (Sea-Holly) Gaillardia grandiflora (Blanket-Flower) Gypsophila paniculata (Baby's Breath) Gladioli planted in mid-April and early May Gypsophila elegans, cerastoides Hypericum moserianum (St. John's Wort) Heuchera sanguinea (Coral Bells) Hemerocallis, late vars. including Fulva and Aurantiaca (Yellow Day Lily) Helianthus Rigidus Japonica, H. G. Moon, and Multiflorus Fl. Pl. (Hardy Sunflower) Hydrangea (Climbing variety) Iris Kæmpferi (Japanese Iris) Lathyrus (Hardy Sweet Pea) Lavendula vera (Lavender) Lilies in variety Lychnis in variety (Campion) Lysimachia (Loose-strife) Linaria dalmatica and macedonia (Toadflax) Liatris elegans (Blazing Star) Linaria Alpina (Alpine toadflax) Monarda didyma (Bergamot) Nepeta mussini (Catmint) [243] Oenothera in variety (Evening Primrose) Pentstemon (Beard Tongue) Phlox paniculata, in variety Pyrethrum uliginosum and hybridum (Giant Daisy) Platycodon grandiflorum (Japanese Bellflower) Rudbeckia in variety (Cone-Flower) Sedum, sexangulare album, reflexum, coccineum, kamtschaticum, pulchellum (Stonecrop) Sempervivium (Houseleek) Solidago (Goldenrod) Stachys Betonica (Wood Betong) Salvia azurea and farinacea (Sage) Silene alpestris Spiræa Anthony Waterer, aruncus, filipendula and others Statice (Sea Lavender) Scabiosa caucasica (Blue Bonnet) Stokesia cyanea (Stoke's Aster) Thalictrum adiantifolium, flavum and glaucum (Meadow- Rue) Tunica saxifraga (Saxifrage) Verbascum (Mullein) Veronica spicata, incana, officinalis, longifolia, maritima and subsessilis virginica (Speedwell) Yucca filamentosa (Adam's Needle) AUGUST Aconitum napellus and autumnale (Monkshood) Abelia grandiflora (Arbutus Bush) [244] Asters, in var. (Michaelmas Daisies) Spring Sown annuals in variety Asclepias (Butterfly weed) Bocconia cordata (Plume Poppy) Buddleia (Butterfly Bush) Cannas in var.