Zone 2 Zone 4 Zone 3 Zone 7 Zone 1 Zone 5 Zone 6 Zone 8 Zone 9 Zone 10

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
Acacia baileyana (Golden acacia, Cootamundra wattle) More Info
Acacia dealbata (Mimosa, Silver wattle) More Info
Acacia longifolia (Acacia, Sydney golden wattle) More Info
Acer negundo (Box elder, Ash leaf maple) More Info
Aconitum napellus (Monk's hood) More Info
Agave americana (Century plant, Sisal) 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
Albizia julibrissin (Mimosa, Silk tree ) More Info
Albizia lebbek (Woman's tongue) More Info
Alcea rosea (Hollyhock) More Info
Allamanda cathartica (Yellow allamanda) More Info
Allium (Onion, garlic, leek, shallot) More Info
Alnus rhombifolia (White alder) More Info
Alnus rubra (Red alder) More Info
Alocasia macrorrhiza (Giant elephant ear, taro) More Info
Alocasia odora (Giant elephant ear, taro) More Info
Aloe arborescens (Tree aloe) More Info
Alopecurus pratensis (Field meadow foxtail) More Info
Alstroemeria ligtu (Inca lily, Parrot flower) More Info
Amaranthus (Pigweeds, tumbleweeds, waterhemp) More Info
Amaranthus albus (Tumbleweed) More Info
Amaranthus blitoides (Mat amaranth) More Info
Amaranthus palmeri (Palmer's amaranth) More Info
Amaranthus retroflexus (Pigweed, Redroot/Rough amaranth) More Info
Amaranthus rudis (Tall amaranth, western waterhemp) More Info
Ambrosia ambrosioides (Ambrosia leaf, Burr ragweed, Canyon ragweed) More Info
Ambrosia artemisiifolia (Annual ragweed,common ragweed, short ragweed) More Info
Ambrosia psilostachya (Perennial ragweed, Western ragweed ) More Info
Andropogon virginicus (Virginia beardgrass, Broom sedge) More Info
Anthoxanthum odoratum (Large sweet vernalgrass) More Info
Anthurium (Flamingo flower, anthurium) More Info
Apium graveolens (Celery) More Info
Argemone mexicana (Mexican poppy) More Info
Arrhenatherum elatius (Tall oatgrass) More Info
Artemisia californica (Coastal sagebrush) More Info
Artemisia campestris (Sagewort, wormwood) More Info
Artemisia ludoviciana (White sage) More Info
Artemisia pycnocephala (Sanddune sagebrush) More Info
Artemisia tridentata (Big sagebrush, Giant sagebrush, Common sagebrush) More Info
Artemisia vulgaris (Mugwort, Common Wormwood) More Info
Asparagus officinalis (Asparagus) More Info
Atriplex patula (Halberd leaf orache, Common Orache) More Info
Atriplex polycarpa (Allscale, Cattle spinach) More Info
Atriplex watsonii (Coast saltbush) More Info
Atropa belladonna (Belladonna) More Info
Avena fatua (Wild oat, Common Oat ) More Info
Avena sativa (Cultivated oat) More Info
Baccharis halimifolia (Consumption weed, Sea-myrtle, Groundseltree) More Info
Baccharis salicifolia (Mule's fat) More Info
Bassia hyssopifolia (Smotherweed (Bassia)) More Info
Bassia scoparia (Burning bush, firebush) More Info
Begonia spp, (Begonias) More Info
Beta vulgaris (Sugar beet, Sea beet) More Info
Betula occidentalis (Water 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 secalinus (Rye brome, Cheat brome) More Info
Buxus sempervirens (Boxwood) More Info
Caladium bicolor (Caladium) More Info
Calophyllum inophyllum (Mast wood) More Info
Campanula (Canterbury bells, campanula, bluebells, harebells) More Info
Campsis radicans (Trumpet vine) More Info
Cannabis sativa (Western water hemp) More Info
Capsicum (Red peppers, Chili peppers, Hot peppers) More Info
Carex (Sedges) More Info
Caryota (Fishtail palm) More Info
Cedrus deodara (Deodar cedar) More Info
Celtis australis (Southern nettletree, Mediterranean hackberry) More Info
Celtis laevigata (Sugarberry, Hackberry) More Info
Centaurea maculosa (Knapweed) More Info
Ceratonia siliqua (Carob (algarroba), St. John's bread) 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 ambrosioides (Mexican tea) 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
Chrysothamnus viscidiflorus (Douglas rabbitbush, Green rabbitbrush) More Info
Cichorium intybus (Chicory) More Info
Citrus (Citrus trees (orange, lemon, lime, grapefruit, etc.)) More Info
Clematis spp. and hybrids (Virgin's bower) More Info
Cleome spinosa (Spider flower) More Info
Codiaeum variegatum (Croton) More Info
Corylus cornuta (Beaked hazelnut) More Info
Cosmos bipinnatus (Garden cosmos) More Info
Cryptostegia madagascariensis (Madagascar rubbervine, Purple allamanda) More Info
Cupressus macrocarpa (Monterey cypress) More Info
Cupressus sempervirens (Italian cypress) More Info
Cycas (Sago palms) More Info
Cymbidium (Cymbidium orchids) More Info
Cynodon dactylon (Bermudagrass) More Info
Cyperus (Sedges, papyrus) More Info
Cyperus esculentus (Yellow nut sedge, chufa) More Info
Cytisus scoparius (Scotch broom) More Info
Dactylis glomerata (Orchardgrass) More Info
Daphne (Daphne) More Info
Datura metel (Thorn apple, Datura) More Info
Datura stramonium (Jimson weed, Thorn apple, Datura) More Info
Delphinium (Larkspur, Staggerweed) More Info
Dianthus caryophyllus (Carnation) More Info
Dicoria canescens (Silver ragweed) More Info
Dictamnus albus (Gas plant, Dittany, Burning bush) 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
Eucalyptus globulus (Tasmanian blue gum) More Info
Euphorbia (Spurges, Milk cacti) More Info
Euphorbia fulgens (Scarlet plume) More Info
Euphorbia heterophylla (Painted leaf) More Info
Euphorbia milii (Crown-of-thorns) More Info
Euphorbia pulcherrima (Poinsettia) More Info
Fagopyrum esculentum (Buckwheat) More Info
Festuca elatior (Meadow Fescue) More Info
Festuca rubra (Red fescue) More Info
Ficus benjamina (Weeping banyan, Weeping fig) More Info
Ficus carica (Edible fig) More Info
Ficus pumila (Creeping fig) More Info
Foeniculum vulgare (Fennel) More Info
Fraxinus latifolia (Oregon ash) More Info
Gaussia (Maya palm, Llume palm, Gaussia, Opsiandra) More Info
Ginkgo biloba (Maidenhair tree) More Info
Grevillea robusta (Silk oak) More Info
Gypsophila paniculata (Baby's breath) More Info
Hedera canariensis (Algerian ivy) 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
Hyophorbe lagenicaulis (Bottle palm) More Info
Hyophorbe verschaffeltii ( Spindle palm) More Info
Ipomoea alba (Moonflower, Moon vine) More Info
Iris (Flag, Iris) More Info
Iva axillaris (Poverty Weed, Deer root) More Info
Jasminum officinale (Jasmine) More Info
Juglans californica (California black walnut, Southern California walnut) More Info
Juglans hindsii (Hind's walnut, California black walnut) More Info
Juglans regia (English walnut) More Info
Juniperus (Junipers, Red cedars) More Info
Juniperus californica (California juniper) 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
Lantana camara (Lantana, Wild sage) More Info
Leymus cinereus (Giant wild ryegrass, ) More Info
Leymus condensatus (Giant lyme grass) More Info
Leymus triticoides (Rye, wild ( alkali)) More Info
Liatris (Blazing star, Gay feather) More Info
Liquidambar styraciflua (Sweet gum) More Info
Lolium perenne (Perennial ryegrass) More Info
Lolium pratense (Meadow grass) More Info
Lycopodium clavatum (Running club moss) More Info
Mansoa alliacea (Garlic vine) More Info
Medicago sativa (Alfalfa, lucerne) More Info
Melilotus officinalis (Yellow sweet clover) More Info
Mentha (Mint, Peppermint, Spearmint, Pennyroyal, Horsemint) More Info
Monstera deliciosa (Ceriman) More Info
Morus alba (White mulberry) More Info
Morus rubra (Red mulberry) More Info
Narcissus (Daffodils, Jonquils, Narcissus) More Info
Nerium oleander (Oleander) More Info
Nicotiana (Tobacco) More Info
Olea europea (European olive) More Info
Opuntia (Beavertail cactus, Tuna, Cholla, Prickly pear cactus) More Info
Ornithogalum (Chincherinchee, Star of Bethlehem) More Info
Oryza sativa (Cultivated rice) More Info
Papaver (Poppies) More Info
Paphiopedilum haynaldianum (Lady slipper orchid) More Info
Parietaria judaica (Wall pellitory, Spreading pellitory) More Info
Parkinsonia florida (Palo Verde) More Info
Paspalum notatum (Bahiagrass) More Info
Pastinaca sativum (Wild parsnip) More Info
Pedilanthus tithymaloides (Jacob's ladder, Redbird cactus) More Info
Pelargonium (Geraniums) More Info
Petroselinum crispum (Parsley) More Info
Phacelia (Scorpion weeds) More Info
Phalaris arundinacea (Reed Canarygrass ) More Info
Phalaris canariensis (Common Canarygrass) More Info
Philodendron (Philodendron) More Info
Philodendron scandens (Heartleaf philodendron) More Info
Phleum pratense (Common Timothy) More Info
Phoenix (Date palms) More Info
Phoenix dactylifera (Date palm) More Info
Phragmites australis (Common Reed) More Info
Picea sitchensis (Sitka spruce) More Info
Pinus (Pine trees) More Info
Pinus contorta (Lodgepole pine) More Info
Pinus edulis (Two needle pinyon) More Info
Pinus lambertiana (Sugar pine) More Info
Pinus monticola (Western white pine) More Info
Pinus ponderosa (Ponderosa pine) More Info
Pinus radiata (Monterey pine) More Info
Pinus sabiniana (Digger pine) More Info
Plantago lanceolata (English plantain) More Info
Plantago major (Common plantain) More Info
Platanus racemosa (Western sycamore, California sycamore) More Info
Plumbago auriculata (Leadwort, Cape plumbago) More Info
Plumeria (Frangipani) More Info
Poa compressa (Flat-stem bluegrass) More Info
Poa pratensis (Kentucky bluegrass, June grass) More Info
Poa secunda (Sandberg's bluegrass) More Info
Polygonum (Knotweeds, Smartweeds) More Info
Polyscias (Ming aralias) More Info
Populus (Poplars, Cottonwoods, Aspen) More Info
Populus balsamifera (Balsam poplar) More Info
Populus fremontii (Fremont's cottonwood) More Info
Populus nigra 'Italica' (Lombardy poplar, Black poplar) More Info
Populus tremuloides (Quaking aspen) More Info
Primula malacoides (Fairy primrose) More Info
Primula obconica (Primrose) More Info
Prosopis glandulosa (Honey mesquite) More Info
Prunus armeniaca (Apricot) More Info
Prunus cerasus (Sour cherry) More Info
Prunus domestica (Plum (prune), European plum) More Info
Prunus dulcis (Sweet almond) More Info
Prunus persica (Peach) More Info
Pseudogynoxys chenopodioides (Mexican flame vine) More Info
Pteridum aquilinum (Bracken fern) More Info
Ptychosperma ( Macarthur palm, Ptychosperma, Solitaire) More Info
Pyrus communis (Common Pear) More Info
Quercus agrifolia (Coastal live oak) More Info
Quercus dumosa (Coastal sage scrub oak) More Info
Quercus engelmannii (Engelmann's oak) More Info
Quercus garryana (Garry oak, Oregon white oak) More Info
Quercus kelloggii (California black oak) More Info
Quercus lobata (Valley oak) More Info
Quercus wislizeni (Interior live oak) More Info
Ranunculus (Buttercups, Crowfoots) More Info
Raphanus sativus (Radish) More Info
Rhoeo spathacea (Oyster plant, Moses-in-a-cradle) More Info
Rhus (Sumacs) More Info
Ricinus communis (Castor bean) More Info
Rosa (Rose) More Info
Rosmarinus officinalis (Rosemary) More Info
Rumex acetosella (Red sorrel, Common Sheep sorrel) More Info
Rumex crispus (Curly dock) More Info
Rumex obtusifolius (Bitter dock) More Info
Ruta graveolens (Rue) More Info
Salicornia virginica (Pickleweed) More Info
Salix (Willows) More Info
Salix laevigata (Red willow, Polished willow) More Info
Salix lasiolepis (Arroyo willow) More Info
Sambucus nigra (Elderberry) More Info
Sarcobatus vermiculatus (Greasewood) More Info
Schefflera actinophylla (Umbrella tree) More Info
Schinus molle (Pepper Tree) More Info
Schinus terebinthifolius (Brazilian peppertree, Florida holly) More Info
Scirpus (Bulrushes) More Info
Secale cereale (Cultivated Rye) More Info
Senecio (Groundsels) More Info
Sequoia sempervirens (Redwood) More Info
Shepherdia argentea (Silver buffalo berry) More Info
Solidago (Goldenrods) 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
Sorghum halepense (Johnsongrass) More Info
Sparmannia africana (Indoor linden, African hemp) More Info
Spinacia oleracea (Spinach) More Info
Sporobolus cryptandrus (Sand dropseed) More Info
Streptocarpus (Cape primroses) More Info
Suaeda californica (California Seablite, Broom seepweed) More Info
Suaeda moquinii (Seablite, alkall) More Info
Syagrus romanzoffiana (Queen palm, Cocos plumosa) More Info
Syngonium podophyllum (Nephthytis) More Info
Tagetes patula (French marigold) More Info
Tamarix aphylla (Athel tamarisk) More Info
Tamarix gallica (Salt cedar, French tamarisk) More Info
Tanecetum vulgare (Common Tansy) More Info
Taraxacum officinale (Common Dandelion) More Info
Thevetia peruviana (Yellow oleander) More Info
Thuja occidentalis (White cedar, Eastern arborvitae) More Info
Thuja plicata (Western cedar, Western arborvitae) More Info
Thymus vulgaris (Thyme) 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 heterophylla (Western hemlock) More Info
Tsuga mertensiana (Mountain hemlock) More Info
Tulipa (Tulips) More Info
Ulmus pumila (Siberian 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
 

© 2017 Betrock Information Systems, Inc.