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Weeds

Uncover common weeds in your garden with our definitive guide. Learn to identify, control, and understand the resilient nature of these pervasive plants. Ideal for gardeners seeking to maintain pristine landscapes.

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List of Toxic Plants

Common mugwort
Common mugwort
Artemisia vulgaris
Common mullein
Common mullein
Verbascum thapsus
Annual fleabane
Annual fleabane
Erigeron annuus
Common chicory
Common chicory
Cichorium intybus
Common evening-primrose
Common evening-primrose
Oenothera biennis
White clover
White clover
Trifolium repens
Common sowthistle
Common sowthistle
Sonchus oleraceus
Bittersweet
Bittersweet
Solanum dulcamara
Annual ragweed
Annual ragweed
Ambrosia artemisiifolia
Lesser burdock
Lesser burdock
Arctium minus
Common plantain
Common plantain
Plantago major
Common three-seeded mercury
Common three-seeded mercury
Acalypha virginica var. rhomboidea
Lady's thumb
Lady's thumb
Persicaria maculosa
Bitter dock
Bitter dock
Rumex obtusifolius
Common milkweed
Common milkweed
Asclepias syriaca
Creeping thistle
Creeping thistle
Cirsium arvense
Curly dock
Curly dock
Rumex crispus
Field bindweed
Field bindweed
Convolvulus arvensis
Common morning glory
Common morning glory
Ipomoea purpurea
Common bird's-foot trefoil
Common bird's-foot trefoil
Lotus corniculatus
Stinging nettle
Stinging nettle
Urtica dioica
Ribwort plantain
Ribwort plantain
Plantago lanceolata
American black nightshade
American black nightshade
Solanum americanum
Hedge bindweed
Hedge bindweed
Calystegia sepium
Creeping woodsorrel
Creeping woodsorrel
Oxalis corniculata
Mock strawberry
Mock strawberry
Potentilla indica
Common St. John's wort
Common St. John's wort
Hypericum perforatum
Common chickweed
Common chickweed
Stellaria media
Green foxtail
Green foxtail
Setaria viridis
Creeping buttercup
Creeping buttercup
Ranunculus repens
Velvetleaf
Velvetleaf
Abutilon theophrasti
Japanese knotweed
Japanese knotweed
Reynoutria japonica
White snakeroot
White snakeroot
Ageratina altissima
Slender yellow woodsorrel
Slender yellow woodsorrel
Oxalis dillenii
Jerusalem artichoke
Jerusalem artichoke
Helianthus tuberosus
Bull thistle
Bull thistle
Cirsium vulgare
Prostrate knotweed
Prostrate knotweed
Polygonum aviculare
Hairy crabgrass
Hairy crabgrass
Digitaria sanguinalis
Spiny sowthistle
Spiny sowthistle
Sonchus asper
Orchard grass
Orchard grass
Dactylis glomerata
Jimsonweed
Jimsonweed
Datura stramonium
Petty spurge
Petty spurge
Euphorbia peplus
Cow parsnip
Cow parsnip
Heracleum sphondylium
Purple amaranth
Purple amaranth
Amaranthus blitum
Spotted spurge
Spotted spurge
Euphorbia maculata
Castor bean
Castor bean
Ricinus communis
Hairy beggarticks
Hairy beggarticks
Bidens pilosa
Giant ragweed
Giant ragweed
Ambrosia trifida
Devil's beggarticks
Devil's beggarticks
Bidens frondosa
Carolina horsenettle
Carolina horsenettle
Solanum carolinense
Prairie fleabane
Prairie fleabane
Erigeron strigosus
Black medick
Black medick
Medicago lupulina
Canada goldenrod
Canada goldenrod
Solidago altissima
Shaggy soldier
Shaggy soldier
Galinsoga quadriradiata
Autumn hawkbit
Autumn hawkbit
Scorzoneroides autumnalis
Mulberry weed
Mulberry weed
Fatoua villosa
Bird vetch
Bird vetch
Vicia cracca
Perennial pea
Perennial pea
Lathyrus latifolius
Cleavers
Cleavers
Galium aparine
Poison hemlock
Poison hemlock
Conium maculatum
Common groundsel
Common groundsel
Senecio vulgaris
Yellow sweet clover
Yellow sweet clover
Melilotus officinalis
Oriental lady's thumb
Oriental lady's thumb
Persicaria longiseta
Black bindweed
Black bindweed
Fallopia convolvulus
Red amaranth
Red amaranth
Amaranthus cruentus
Palmer's amaranth
Palmer's amaranth
Amaranthus palmeri
Hairy bittercress
Hairy bittercress
Cardamine hirsuta
Giant goldenrod
Giant goldenrod
Solidago gigantea
Nut grass
Nut grass
Cyperus rotundus
Virginia pepperweed
Virginia pepperweed
Lepidium virginicum
Meadow buttercup
Meadow buttercup
Ranunculus acris
Chamber bitter
Chamber bitter
Phyllanthus urinaria
Brown knapweed
Brown knapweed
Centaurea jacea
Curlytop Knotweed
Curlytop Knotweed
Persicaria lapathifolia
White sweetclover
White sweetclover
Melilotus albus
Philadelphia fleabane
Philadelphia fleabane
Erigeron philadelphicus
Plumed cockscomb
Plumed cockscomb
Celosia argentea
Artillery plant
Artillery plant
Pilea microphylla
Johnson grass
Johnson grass
Sorghum halepense
Perennial sow thistle
Perennial sow thistle
Sonchus arvensis
Summer cypress
Summer cypress
Bassia scoparia
Garden sorrel
Garden sorrel
Rumex acetosella
Ivyleaf morning-glory
Ivyleaf morning-glory
Ipomoea hederacea
Green amaranth
Green amaranth
Amaranthus viridis
Swamp milkweed
Swamp milkweed
Asclepias incarnata
Pineapple weed
Pineapple weed
Matricaria discoidea
Barnyard grass
Barnyard grass
Echinochloa crus-galli
Dallis grass
Dallis grass
Paspalum dilatatum
Common mallow
Common mallow
Malva neglecta
Goosegrass
Goosegrass
Eleusine indica
Cheeseweed mallow
Cheeseweed mallow
Malva parviflora
Yorkshire Fog
Yorkshire Fog
Holcus lanatus
Common wormwood
Common wormwood
Artemisia absinthium
Rough cinquefoil
Rough cinquefoil
Potentilla norvegica
Jewels of Opar
Jewels of Opar
Talinum paniculatum
Longleaf groundcherry
Longleaf groundcherry
Physalis longifolia
Cypress spurge
Cypress spurge
Euphorbia cyparissias
Japanese stiltgrass
Japanese stiltgrass
Microstegium vimineum
Blackseed plantain
Blackseed plantain
Plantago rugelii
Henbit deadnettle
Henbit deadnettle
Lamium amplexicaule
Field pennycress
Field pennycress
Thlaspi arvense
Tapa cloth tree
Tapa cloth tree
Broussonetia papyrifera
Western jimson weed
Western jimson weed
Datura wrightii
Honeyvine
Honeyvine
Cynanchum laeve
Mouse Barley
Mouse Barley
Hordeum murinum
Common vetch
Common vetch
Vicia sativa
Corn speedwell
Corn speedwell
Veronica arvensis
Birdeye speedwell
Birdeye speedwell
Veronica persica
Western poison ivy
Western poison ivy
Toxicodendron rydbergii
Oriental false hawksbeard
Oriental false hawksbeard
Youngia japonica
Smooth brome
Smooth brome
Bromus inermis
Common Duckweed
Common Duckweed
Lemna minor
Prostrate sandmat
Prostrate sandmat
Euphorbia prostrata
Flower-of-an-hour
Flower-of-an-hour
Hibiscus trionum
Spanish needles
Spanish needles
Bidens bipinnata
Mouse ear chickweed
Mouse ear chickweed
Cerastium fontanum
Canada lettuce
Canada lettuce
Lactuca canadensis
Cutleaf groundcherry
Cutleaf groundcherry
Physalis angulata
Common cocklebur
Common cocklebur
Xanthium orientale
Kudzu
Kudzu
Pueraria montana
Nodding thistle
Nodding thistle
Carduus nutans
Moth plant
Moth plant
Araujia sericifera
Hairy vetch
Hairy vetch
Vicia villosa
Flaxleaf fleabane
Flaxleaf fleabane
Erigeron bonariensis
Arrowleaf sida
Arrowleaf sida
Sida rhombifolia
Pennsylvania everlasting
Pennsylvania everlasting
Gamochaeta pensylvanica
Timothy
Timothy
Phleum pratense
Blue morning glory
Blue morning glory
Ipomoea indica
Sulphur cinquefoil
Sulphur cinquefoil
Potentilla recta
Sericea lespedeza
Sericea lespedeza
Lespedeza cuneata
Toothed spurge
Toothed spurge
Euphorbia dentata
Virginia buttonweed
Virginia buttonweed
Diodia virginiana
Common stork's-bill
Common stork's-bill
Erodium cicutarium
Panic veld grass
Panic veld grass
Ehrharta erecta
Mexican sunflower
Mexican sunflower
Tithonia diversifolia
Pellitory of the wall
Pellitory of the wall
Parietaria judaica
False daisy
False daisy
Eclipta prostrata
Green carpetweed
Green carpetweed
Mollugo verticillata
Mexican fleabane
Mexican fleabane
Erigeron karvinskianus
Bur cucumber
Bur cucumber
Sicyos angulatus
Carolina geranium
Carolina geranium
Geranium carolinianum
Lesser swine-cress
Lesser swine-cress
Lepidium didymum
Graceful spurge
Graceful spurge
Euphorbia hypericifolia
Downy thorn-apple
Downy thorn-apple
Datura innoxia
Carolina coralbead
Carolina coralbead
Cocculus carolinus
Straggler daisy
Straggler daisy
Calyptocarpus vialis
Hornbeam copperleaf
Hornbeam copperleaf
Acalypha persimilis
Sticky chickweed
Sticky chickweed
Cerastium glomeratum
Water hyacinth
Water hyacinth
Eichhornia crassipes
Pink woodsorrel
Pink woodsorrel
Oxalis debilis
Pacific poison oak
Pacific poison oak
Toxicodendron diversilobum