MARYLAND AT A GLANCE

PLANTS

WILDFLOWERS

[photo, American White Waterlily (Nymphaea odorata Aiton), Baltimore, Maryland] [photo, Queen Anne's Lace (Daucus carota), Corner Sanctuary, Pocomoke City, Maryland] American White Waterlily (Nymphaea odorata Aiton) (left), Baltimore, Maryland, July 2014. Photo by Sarah A. Hanks.


Queen Anne's Lace (Daucus carota) (right), Corner Sanctuary, Pocomoke City, Maryland, June 2018. Photo by Diane F. Evartt.

MARYLAND WILDFLOWERS

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Name Scientific Name Blooms
Alumroot Heuchera L. April - June
Anemone, Canadian Anemone canadensis L. May - July
Anemone, Rue Thalictrum thalictroides (L.) Eames & B. Boivin March – June
Anemone, Wood Anemone quinquefolia L. April – June
Arbutus, Trailing Epigaea repens L. March - May
Arrowhead, Broadleaf Sagittaria latifolia Willd. July - Oct.
Arum, Green Arrow Peltandra virginica (L.) Schott May - June
Aster, Calico Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve var. horizontale (Desf.) G.L. Nesom Aug. - Oct.
Aster, Hairy White Oldfield Symphyotrichum pilosum (Willd.) G.L. Nesom var. pilosum July - Nov.
Aster, New England Symphyotrichum novae-angliae (L.) G.L. Nesom Aug. - Oct.
Aster, New York Symphyotrichum novi-belgii (L.) G.L. Nesom var. elodes (Torr. & A. Gray) G.L. Nesom Aug. - Oct.
Aster, Purplestem Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum Aug. - Nov.
Aster, Serpentine Symphyotrichum depauperatum (Fernald) G.L. Nesom Aug. - Oct.
Aster, Smooth Blue Symphyotrichum laeve (L.) Á. Löve & D. Löve var. concinnum (Willd.) G.L. Nesom Aug. - Oct.
Aster, White Heath Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides Aug. - Oct.
Aster, White Wood Eurybia divaricata (L.) G.L. Nesom July - Aug.
Azalea, Pink Rhododendron periclymenoides (Michx.) Shinners March - May
Azalea, Swamp Rhododendron viscosum (L.) Torr May - Aug.
Beardtongue, Eastern Smooth Penstemon laevigatus Aiton May - June
Beardtongue, Foxglove Penstemon digitalis Nutt. ex Sims June - July
Beardtongue, Longsepal Penstemon calycosus Small May - June
[photo, Scarlet Beebalm (Monarda didyma L.), Baltimore, Maryland]
Beebalm, Scarlet Monarda didyma L. July - Sept.
Beebalm, Spotted Monarda punctata L. June - Oct.
Bellwort, Sessileleaf Uvularia sessilifolia L. April – May
Bergamot, Wild Monarda fistulosa L. July - Aug.
Bloodroot Sanguinaria canadensis L. March - May

Scarlet Beebalm (Monarda didyma L.), Baltimore, Maryland, July 2014. Photo by Sarah A. Hanks.

Bluebells, Virginia Mertensia virginica (L.) Pers. ex Link March - April
Blueflag, Harlequin Penstemon digitalis Nutt. ex Sims June - July
Bluestem, Big Iris versicolor L. May - June
Bluet, Azure Houstonia caerulea L. April - June
Boneset, Common Eupatorium perfoliatum L. July - Oct.
Breeches, Dutchman's Dicentra cucullaria (L.) Bernh. April - May
Bugbane, Black Actaea racemosa L. var. racemosa June - Aug.
Calamus Acorus calamus L. May - July
Canarygrass, Reed Phalaris arundinacea L. April - May
Cardinalflower Lobelia cardinalis L. July - Sept.
Columbine, Red Aquilegia canadensis L. April - June
Coneflower, Cutleaf Rudbeckia laciniata L. July - Sept.
Coneflower, Eastern Purple Echinacea purpurea (L.) Moench July - Oct.
Coneflower, Orange Rudbeckia fulgida Aiton July - Oct.
Corn, Turkey Dicentra eximia (Ker Gawl.) Torr. April - Sept.
Cornflower, Garden Centaurea cyanus L. April - July
Cosmos, Sulphur Cosmos sulphureus Cav. June - Nov.
Creeper, Trumpet Campsis radicans (L.) Seem. ex Bureau July - Aug.
Crownvetch Securigera varia (L.) Lassen June - Aug.
Cutgrass, Rice Leersia oryzoides (L.) Sw. June - Oct.
Daisy, Oxeye Leucanthemum vulgare Lam. May - July
Daisy, White Doll's Boltonia asteroides (L.) L'Hér. July - Sept.
Devil's-Tongue Opuntia humifusa (Raf.) Raf. June - July
Flower, Moccasin Cypripedium acaule Aiton May – July
Foamflower, Heartleaf Tiarella cordifolia L. April - June
Geranium, Spotted Geranium maculatum L. April - July
Ginseng, Dwarf Panax trifolius L. April – June
Goldenaster, Maryland Chrysopsis mariana Aug. - Oct.
Goldenrod, Early Solidago juncea Aiton June - Oct.
Goldenrod, Gray Solidago nemoralis Aiton July - Nov.
Goldenrod, Roundleaf Solidago patula Muhl. ex Willd. June – Sept.
Goldenrod, Seaside Solidago sempervirens L. Aug. - Oct.
Goldenrod, Showy Solidago erecta Pursh July - Oct.
Goldenrod, Stiff Oligoneuron rigidum (L.) Small var. rigidum Aug. - Oct.
Goldenrod, White Solidago bicolor L. Aug. - Nov.
Goldenrod, Wreath Solidago caesia L. Aug. - Oct.
Goldenrod, Wrinkleleaf Solidago rugosa Mill. Aug. - Oct.
Green-and-Gold Chrysogonum virginianum L. March - June
Gypsyweed, Common Veronica officinalis L. May - June
Hemlock, Spotted Water Cicuta maculata L. June - Sept.
Henbit Deadnettle Lamium amplexicaule L. April - May
Hepatica, Roundlobe Hepatica nobilis Schreb. var. obtusa (Pursh) Steyerm. March - June
Horseflyweed Baptisia tinctoria (L.) R. Br. June - Sept.
Indigo, Blue Wild Baptisia australis (L.) R. Br. June - Sept.
Iris Iris L. March – Sept.
Iris, Dwarf Crested Iris cristata Aiton March – May
Ironweed, New York Vernonia noveboracensis (L.) Michx. Aug. - Oct.
Jack-in-the-Pulpit Arisaema triphyllum (L.) Schott April - June
Jewelweed Impatiens capensis Meerb. July – Oct.
Joe-Pye Weed, Coastal Plain Eutrochium dubium (Willd. ex Poir.) E.E. Lamont July - Sept.
Joe-Pye Weed, Spotted Eutrochium maculatum (L.) E.E. Lamont July - Sept.
Joe-Pye Weed, Sweetscented Eutrochium purpureum (L.) E.E. Lamont July – Sept.
King-of-the-Meadow Thalictrum pubescens Pursh May - July
Knight's-spur, Doubtful Consolida ajacis (L.) Schur April - July
Laurel, Mountain Kalmia latifolia L. May – June
Lily, Canada Lilium canadense L. June - Aug.
Lily, Turk's-cap Lilium superbum L. July - Aug.
Lily of the Valley, Feathery False Maianthemum racemosum (L.) Link ssp. racemosum March – June
Lobelia, Great Blue Lobelia siphilitica L. Aug. - Nov.
Mallow, Virginia Saltmarsh Kosteletzkya virginica (L.) C. Presl ex A. Gray July - Sept.
Mannagrass, Fowl Glyceria striata (Lam.) Hitchc. June - July
Mannagrass, Rattlesnake Glyceria canadensis (Michx.) Trin. June - July
Marigold, Yellow Marsh Caltha palustris L. April - June
Mayapple Podophyllum peltatum L. April - May
Meadow-rue, Early Thalictrum dioicum L. April - May
Milkweed, Common Asclepias syriaca L. May - Aug.
Milkweed, Butterfly Asclepias tuberosa L. June - Sept.
Milkweed, Swamp Asclepias incarnata L. May - June
Monkeyflower, Allegheny Mimulus ringens L. June - Sept.
Monkshood Aconitum L. July - Oct.
Oxeye, Smooth Heliopsis helianthoides (L.) Sweet July - Sept.
Partridgeberry Mitchella repens L. May – Oct.
Phlox, Creeping Phlox stolonifera Sims April - June
Phlox, Moss Phlox subulata L. April - May
Phlox, Wild Blue Phlox divaricata L. April - June
Pickerelweed Pontederia cordata L. June - Nov.
Pine, Striped Prince's Chimaphila maculata (L.) Pursh June - Aug.
Pinkroot, Woodland Spigelia marilandica (L.) L. May - June
Plant, Obedient Physostegia virginiana (L.) Benth. Aug. - Sept.
Pokeweed, American Phytolacca americana L. July – Sept.
Pond-lily, Yellow Nuphar lutea (L.) Sm. May - Oct.
Poppy, Corn Papaver rhoeas L. March - June
Pride of Ohio Dodecatheon meadia L. April - June
Primrose, Common Evening Oenothera biennis L. May - Sept.
Primrose, Little Evening Oenothera perennis L. May - Aug.
Primrose, Narrowleaf Evening Oenothera fruticosa L. June - Sept.
Queen Anne's Lace Daucus carota May – Oct.
Rocket, Dames Hesperis matronalis L. April - July
Rose, Carolina Rosa carolina L. May-July
Rose, Swamp Rosa palustris Marshall May - June
Rosemallow, Crimsoneyed Hibiscus moscheutos L. July - Sept.
Saxifrage, Early Saxifraga virginiensis Michx. March - May
Saxifrage, Eastern Swamp Saxifraga pensylvanica L. May - June
Seedbox Ludwigia alternifolia L. June - Sept.
Seal, Smooth Solomon’s Polygonatum biflorum (Walter) Elliott March – June
Senna, Maryland Senna marilandica (L.) Link July - Aug.
Spicebush, Northern Lindera benzoin (L.) Blume April – June
Spiderwort, Virginia Tradescantia virginiana L. April - July
Spikenard, American Aralia racemosa L. July
Springbeauty, Virginia Claytonia virginica L. March – May
Star, Dense Blazing Liatris spicata (L.) Willd. Aug. - Oct.
Strawberry, Indian Duchesnea indica May - Sept.
Sunflower, Swamp Helianthus angustifolius L. Aug. - Oct.
Sunflower, Woodland Helianthus divaricatus L. July - Oct.
Susan, Blackeyed Rudbeckia hirta L. June - Sept.
Susan, Browneyed Rudbeckia triloba L June - Oct.
Sweetwilliam Dianthus barbatus L. July - Oct.
Tail, Lizard's Saururus cernuus L. April – Aug.
Tickseed, Golden Coreopsis tinctoria Nutt. April - Aug.
Tickseed, Lanceleaf Coreopsis lanceolata L. April - Aug.
Tickseed, Pink Coreopsis rosea Nutt. July - Sept.
Tickseed, Whorled Coreopsis verticillata L. June - July
Toothwort, Cutleaf Cardamine concatenata (Michx.) Sw. March - May
Trillium, Red Trillium erectum L. April - June
Trillium, White Trillium grandiflorum (Michx.) Salisb. April - June
Trumpetweed Eutrochium fistulosum (Barratt) E.E. Lamont July - Sept.
Turtlehead, White Chelone glabra L. Aug. - Oct.
Verbena, Swamp Verbena hastata L. July - Sept.
Violet, Alpine Viola labradorica Schrank April - June
Violet, Birdfoot Viola pedata L. March - June
Violet, Dogtooth Erythronium americanum Ker Gawl. March – May
[photo, Common Yarrow (Achillea millefolium L.), Glen Burnie, Maryland]
Violet, Early Blue Viola × palmata L. (pro sp.) [brittoniana or pedatifida × affinis or sororia] April – June
Violet, Marsh Blue Viola cucullata Aiton April – July
Waterlily, American White Nymphaea odorata Aiton June - Sept.
Widowsfrill Silene stellata (L.) W.T. Aiton July - Sept.
Wildginger, Canadian Asarum canadense L. April – June
Yarrow, Common Achillea millefolium L. May - Sept.

Common Yarrow (Achillea millefolium L.), Glen Burnie, Maryland, May 2010. Photo by Diane F. Evartt.

INVASIVE & INTRODUCED WILDFLOWERS

Name Scientific Name Blooms
Chestnut, Water Trapa natans
Dead Man’s Fingers Codium fragile
Hydrilla Hydrilla verticillata July - Sept.
Salvinia, Giant Salvinia molesta
Seaweed, Green Caulerpa Caulerpa taxifolia
Watermilfoil, Eurasian Myriophyllum spicatum July - Aug.

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