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 | |
|---|---|
| Abelmoschus esculentus (Okra) | More Info |
| Abies procera (Noble fir) | More Info |
| Acer platanoides (Norway maple) | 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 rhombifolia (White 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 retroflexus (Pigweed, Redroot/Rough amaranth) | More Info |
| Amaranthus rudis (Tall amaranth, western waterhemp) | More Info |
| Ambrosia artemisiifolia (Annual ragweed,common ragweed, short ragweed) | More Info |
| Ambrosia chamissonis (Silver burr ragweed) | More Info |
| Ambrosia psilostachya (Perennial ragweed, Western ragweed ) | More Info |
| Anthoxanthum odoratum (Large sweet vernalgrass) | More Info |
| Anthurium (Flamingo flower, anthurium) | More Info |
| Apium graveolens (Celery) | More Info |
| Arrhenatherum elatius (Tall oatgrass) | More Info |
| Artemisia campestris (Sagewort, wormwood) | More Info |
| Artemisia ludoviciana (White sage) | More Info |
| Artemisia pycnocephala (Sanddune sagebrush) | More Info |
| Artemisia vulgaris (Mugwort, Common Wormwood) | More Info |
| Atriplex canescens (Wingscale, Four wing saltbush) | More Info |
| Atriplex patula (Halberd leaf orache, Common Orache) | More Info |
| Atriplex rosea (Red scale, Tumbling orache) | 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 |
| Bassia scoparia (Burning bush, firebush) | More Info |
| Begonia spp, (Begonias) | 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 |
| Buxus sempervirens (Boxwood) | More Info |
| Caladium bicolor (Caladium) | More Info |
| Campanula (Canterbury bells, campanula, bluebells, harebells) | More Info |
| Cannabis sativa (Western water hemp) | More Info |
| Capsicum (Red peppers, Chili peppers, Hot peppers) | More Info |
| Carex (Sedges) | More Info |
| Cedrus deodara (Deodar cedar) | More Info |
| Celtis laevigata (Sugarberry, Hackberry) | 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 |
| Corylus americana (American hazelnut) | 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 |
| 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 cyathophora (Painted leaf) | More Info |
| Euphorbia fulgens (Scarlet plume) | More Info |
| Euphorbia heterophylla (Painted leaf) | More Info |
| Euphorbia pulcherrima (Poinsettia) | 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 latifolia (Oregon 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 |
| Hyacinthus orientalis (Hyacinth) | More Info |
| Hydrangea macrophylla (Hydrangea) | More Info |
| Iris (Flag, Iris) | More Info |
| Iva axillaris (Poverty Weed, Deer root) | More Info |
| Juglans regia (English 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 |
| Lactuca sativa (Lettuce) | More Info |
| Lactuca scariola (Prickly lettuce) | More Info |
| Leymus cinereus (Giant wild ryegrass, ) | More Info |
| Lolium perenne (Perennial ryegrass) | More Info |
| Lolium pratense (Meadow grass) | 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 |
| Nicotiana (Tobacco) | More Info |
| Opuntia (Beavertail cactus, Tuna, Cholla, Prickly pear cactus) | More Info |
| Pascopyrum smithii (Western wheatgrass) | More Info |
| Pastinaca sativum (Wild parsnip) | 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 |
| Phragmites australis (Common Reed) | More Info |
| Picea sitchensis (Sitka spruce) | More Info |
| Pinus (Pine trees) | More Info |
| Pinus contorta (Lodgepole pine) | More Info |
| Pinus monticola (Western white pine) | More Info |
| Pinus radiata (Monterey pine) | More Info |
| Plantago lanceolata (English plantain) | More Info |
| Plantago major (Common plantain) | 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 tremuloides (Quaking aspen) | More Info |
| Primula malacoides (Fairy primrose) | More Info |
| Primula obconica (Primrose) | More Info |
| Prunus cerasus (Sour cherry) | More Info |
| Pteridum aquilinum (Bracken fern) | More Info |
| Pyrus communis (Common Pear) | More Info |
| Quercus agrifolia (Coastal live 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 acetosella (Red sorrel, Common Sheep sorrel) | More Info |
| Rumex crispus (Curly dock) | More Info |
| Rumex obtusifolius (Bitter dock) | More Info |
| Salicornia virginica (Pickleweed) | More Info |
| Salix (Willows) | More Info |
| Salix caprea (Sallow, Goat willow) | More Info |
| Salix caroliniana (Coastal plain willow) | More Info |
| Salix lasiolepis (Arroyo willow) | More Info |
| Salix lucida (Yellow willow) | More Info |
| Salix nigra (Black willow) | More Info |
| Sambucus nigra (Elderberry) | More Info |
| Schefflera actinophylla (Umbrella tree) | More Info |
| Scirpus (Bulrushes) | More Info |
| Secale cereale (Cultivated Rye) | More Info |
| Sequoia sempervirens (Redwood) | More Info |
| Solidago canadensis (Canadian goldenrod) | More Info |
| Solidago gigantea (Late 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 californica (California Seablite, Broom seepweed) | More Info |
| Syngonium podophyllum (Nephthytis) | More Info |
| Tagetes patula (French marigold) | More Info |
| Taraxacum officinale (Common Dandelion) | 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 |
