Betrock's
Allergenica

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 | |
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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 |