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The following is a collective list of Allergenic plants, by zone, with supporting information. Click on the map above or on a link below to view plants specific to that zone.

Plant Name  
Abelmoschus esculentus (Okra) More Info
Acer macrophyllum (Big leaf maple) More Info
Acer platanoides (Norway maple) More Info
Acer rubrum (Red maple) More Info
Acer saccharinum (Silver maple) More Info
Acer saccharum (Sugar maple) More Info
Aconitum napellus (Monk's hood) More Info
Aglaonema (Chinese evergreen) More Info
Agrostis capillaris (Colonial bentgrass) More Info
Agrostis gigantea (Black bentgrass) More Info
Agrostis stolonifera (Redtop, creeping bentgrass) More Info
Ailanthus altissima (Tree-of-heaven) More Info
Alcea rosea (Hollyhock) More Info
Allium (Onion, garlic, leek, shallot) More Info
Alnus glutinosa (European alder) More Info
Alnus rubra (Red alder) More Info
Alopecurus pratensis (Field meadow foxtail) More Info
Amaranthus (Pigweeds, tumbleweeds, waterhemp) More Info
Amaranthus albus (Tumbleweed) More Info
Amaranthus blitoides (Mat amaranth) More Info
Amaranthus rudis (Tall amaranth, western waterhemp) More Info
Ambrosia psilostachya (Perennial ragweed, Western ragweed ) More Info
Anthurium (Flamingo flower, anthurium) More Info
Apium graveolens (Celery) More Info
Arrhenatherum elatius (Tall oatgrass) More Info
Artemisia absinthium (Wormwood (absinthe), Oldman) More Info
Artemisia annua (Annual wormwood) More Info
Artemisia dracunculus (Green sage, Dragon wormwood, ) More Info
Artemisia frigida (Pasture sage, Prairie sagebrush) More Info
Atriplex patula (Halberd leaf orache, Common Orache) More Info
Atriplex rosea (Red scale, Tumbling orache) More Info
Atropa belladonna (Belladonna) More Info
Avena fatua (Wild oat, Common Oat ) More Info
Avena sativa (Cultivated oat) More Info
Axyris amaranthoides (Russian pigweed ) More Info
Betula alleghaniensis (Yellow birch) More Info
Betula lenta (Sweet birch, cherry) More Info
Betula occidentalis (Water birch) More Info
Betula populifolia (Gray birch, White birch) More Info
Bouteloua gracilis (Blue grama) More Info
Brassica (Mustard, Cabbage (inc. brocolli, Brussels sprouts, cauliflower), Rape) More Info
Brassica campestris (rapa) (Mustard) More Info
Bromus (Brome grasses) More Info
Bromus inermis (Smooth brome) More Info
Bromus secalinus (Rye brome, Cheat brome) More Info
Buchloe dactyloides (Buffalograss) More Info
Buxus sempervirens (Boxwood) More Info
Caladium bicolor (Caladium) More Info
Capsicum (Red peppers, Chili peppers, Hot peppers) More Info
Carex (Sedges) More Info
Carya cordiformis (Bitter nut hickory) More Info
Centaurea maculosa (Knapweed) More Info
Chamaecyparis lawsoniana (Port Orford cedar, Lawson's cypress) More Info
Chamaecyparis nootkatensis (Alaska cedar) More Info
Chamaecyparis obtusa (Hinoki white cypress) More Info
Chamaedorea (Parlor palm, Bamboo palm, Reed palm) More Info
Chamaenerion angustifolium (Fireweed) More Info
Chenopodium album (Lamb's quarters) More Info
Chenopodium berlandieri (Pit seed goosefoot) More Info
Chrysanthemum (Chrysanthemum, Crown daisy, Corn marigold) More Info
Chrysanthemum leucanthemum (Daisy, Ox-Eye) More Info
Chrysanthemum x morifolium (Florist's chrysanthemum) More Info
Cichorium intybus (Chicory) More Info
Cleome spinosa (Spider flower) More Info
Codiaeum variegatum (Croton) More Info
Cymbidium (Cymbidium orchids) More Info
Cyperus (Sedges, papyrus) More Info
Cyperus esculentus (Yellow nut sedge, chufa) More Info
Delphinium (Larkspur, Staggerweed) More Info
Dianthus caryophyllus (Carnation) More Info
Dieffenbachia spp. and hybrids (Dumb-cane) More Info
Digitaria (Crabgrass) More Info
Distichlis spicata (Coastal saltgrass) More Info
Elymus repens (Quack grass, Couch grass) More Info
Epipremnum aureum (Pothos) More Info
Euphorbia (Spurges, Milk cacti) More Info
Euphorbia fulgens (Scarlet plume) More Info
Euphorbia pulcherrima (Poinsettia) More Info
Fagus grandifolia (American beech) More Info
Festuca elatior (Meadow Fescue) More Info
Festuca rubra (Red fescue) More Info
Ficus benjamina (Weeping banyan, Weeping fig) More Info
Foeniculum vulgare (Fennel) More Info
Fraxinus americana (White ash) More Info
Fraxinus excelsior (European ash) More Info
Fraxinus nigra (Black ash) More Info
Fraxinus pennsylvanica (Green ash, Red ash) More Info
Ginkgo biloba (Maidenhair tree) More Info
Gypsophila paniculata (Baby's breath) More Info
Hedera helix (English ivy) More Info
Helenium autumnale (Sneezeweed) More Info
Helianthus annuus (Common Sunflower) More Info
Hippeastrum spp. and hybrids (Amaryllis) More Info
Hordeum vulgare (Common Barley) More Info
Humulus lupulus (Common Hop) More Info
Hyacinthus orientalis (Hyacinth) More Info
Hydrangea macrophylla (Hydrangea) More Info
Iris (Flag, Iris) More Info
Iva xanthifolia (Prairie ragweed) More Info
Juglans cinerea (Butternut, White walnut) More Info
Juniperus (Junipers, Red cedars) More Info
Juniperus chinensis (Pfitzer (Juniper, Chinese)) More Info
Juniperus communis (Common Juniper) More Info
Koeleria macrantha (Hairgrass) More Info
Krasheninnikovia lanata (Winterfat) More Info
Lactuca sativa (Lettuce) More Info
Lactuca scariola (Prickly lettuce) More Info
Leymus triticoides (Rye, wild ( alkali)) More Info
Lolium perenne (Perennial ryegrass) More Info
Lolium pratense (Meadow grass) More Info
Lycopodium clavatum (Running club moss) More Info
Matricaria recutita (Wild chamomile) More Info
Melilotus officinalis (Yellow sweet clover) More Info
Mentha (Mint, Peppermint, Spearmint, Pennyroyal, Horsemint) More Info
Monstera deliciosa (Ceriman) More Info
Opuntia (Beavertail cactus, Tuna, Cholla, Prickly pear cactus) More Info
Ostrya virginiana (Hop hornbeam) More Info
Pastinaca sativum (Wild parsnip) More Info
Petroselinum crispum (Parsley) More Info
Phalaris canariensis (Common Canarygrass) More Info
Philodendron (Philodendron) More Info
Philodendron scandens (Heartleaf philodendron) More Info
Phleum pratense (Common Timothy) More Info
Phragmites australis (Common Reed) More Info
Picea abies (Norway spruce) More Info
Picea mariana (Black spruce) More Info
Picea rubens (Red spruce) More Info
Picea sitchensis (Sitka spruce) More Info
Pilea pumila (Richweed, Canadian clearweed) More Info
Pinus (Pine trees) More Info
Pinus banksiana (Scrub pine, Jack pine) More Info
Pinus contorta (Lodgepole pine) More Info
Pinus nigra (Austrian pine) More Info
Pinus resinosa (Red pine) More Info
Pinus strobus (Eastern white pine) More Info
Pinus sylvestris (Scotch pine) More Info
Plantago lanceolata (English plantain) More Info
Plantago major (Common plantain) More Info
Platanus x acerifolia (Sycamore, Plane tree) More Info
Poa compressa (Flat-stem bluegrass) More Info
Poa pratensis (Kentucky bluegrass, June grass) More Info
Poa secunda (Sandberg's bluegrass) More Info
Podophyllum peltatum (May apple) More Info
Polygonum (Knotweeds, Smartweeds) More Info
Polyscias (Ming aralias) More Info
Populus balsamifera (Balsam poplar) More Info
Populus deltoides (Eastern cottonwood) More Info
Populus tremuloides (Quaking aspen) More Info
Primula malacoides (Fairy primrose) More Info
Primula obconica (Primrose) More Info
Prunus armeniaca (Apricot) More Info
Pseudoroegneria spicata (Bluebunch wheatgrass) More Info
Pteridum aquilinum (Bracken fern) More Info
Pyrus communis (Common Pear) More Info
Quercus bicolor (Blue oak, Swamp white oak) More Info
Quercus macrocarpa (Burr oak) More Info
Quercus rubra (Northern red oak) More Info
Ranunculus (Buttercups, Crowfoots) More Info
Raphanus sativus (Radish) More Info
Rhoeo spathacea (Oyster plant, Moses-in-a-cradle) More Info
Rosmarinus officinalis (Rosemary) More Info
Rumex acetosa (Garden sorrel) More Info
Rumex acetosella (Red sorrel, Common Sheep sorrel) More Info
Rumex crispus (Curly dock) More Info
Rumex obtusifolius (Bitter dock) More Info
Rumex orbiculatus (Greater water dock) More Info
Salicornia virginica (Pickleweed) More Info
Salix (Willows) More Info
Salix discolor (Pussy willow) More Info
Salix lucida (Yellow willow) More Info
Sambucus nigra (Elderberry) More Info
Schefflera actinophylla (Umbrella tree) More Info
Scirpus (Bulrushes) More Info
Solidago canadensis (Canadian goldenrod) More Info
Solidago gigantea (Late goldenrod) More Info
Solidago multiradiata (Goldenrod) More Info
Sorghum bicolor (Sorghum, Sudan grass (subsp, drummondii]) More Info
Spinacia oleracea (Spinach) More Info
Sporobolus cryptandrus (Sand dropseed) More Info
Streptocarpus (Cape primroses) More Info
Suaeda maritima (Seablite, Herbaceous seepweed) More Info
Syngonium podophyllum (Nephthytis) More Info
Tagetes patula (French marigold) More Info
Taraxacum officinale (Common Dandelion) More Info
Thuja occidentalis (White cedar, Eastern arborvitae) More Info
Thuja plicata (Western cedar, Western arborvitae) More Info
Thymus vulgaris (Thyme) More Info
Tilia cordata (Small-leaf linden, lime) More Info
Tradecantia pallida (Purple queen, Purple heart) More Info
Trifolium pratense (Red clover) More Info
Trifolium repens (White clover) More Info
Triticum aestivum (Cultivated bread wheat) More Info
Tropaeolum majus (Nasturtium) More Info
Tsuga canadensis (Eastern hemlock) More Info
Tsuga heterophylla (Western hemlock) More Info
Tsuga mertensiana (Mountain hemlock) More Info
Ulmus americana (American elm, White elm) More Info
Urtica dioica (Stinging nettle) More Info
Vinca (Periwinkle) More Info
Xanthium strumarium (Cockleburs) More Info
Zantedeschia (Calla lilies) More Info
Zea mays (Corn, Maize) More Info
 

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