Front Range plants that are toxic to dogs
These Front Range trees, shrubs, groundcovers, and perennials are known to be toxic to dogs — worth avoiding, or siting away from pets, in a Colorado yard. This is not an exhaustive list, and absence from it does not mean a plant is safe; always confirm with your vet for a specific animal.
84 plants
American plumPrunus americana
bearded irisIris germanica
Big sagebrushArtemisia tridentata
Butterfly MillkweedAsclepias tuberosa
Common YarrowAchillea millefolium
Fringed SageArtemisia frigida
Geyer’s onionAllium geyeri
nodding onionAllium cernuum
Prairie SageArtemisia ludoviciana
Sand cherryPrunus pumila
Sand sagebrushArtemisia filifolia
Showy FleabaneErigeron speciosus
Showy MilkweedAsclepias speciosa
Small soapweed / Great Plains yuccaYucca glauca
Western sand cherryPrunus besseyi
winter creeperEuonymus fortunei
Adam's needle yuccaYucca filamentosa
Bechtel 'Plena'Malus ioensis
Black Locust - 'Purple Robe'Robinia pseudoacacia
Black WalnutJuglans nigra
Buckeye/Horsechestnut — 'Briotti', 'Fort McNair'Aesculus x carnea
Buckeye/Horsechestnut — Common HorsechestnutAesculus hippocastanum
Buckeye/Horsechestnut — Ohio BuckeyeAesculus glabra
Buckeye/Horsechestnut — Texas Buckeye (Western Buckeye)Aesculus glabra var. arguta
Buckeye/Horsechestnut — Yellow BuckeyeAesculus flava
Burning bush / winged euonymusEuonymus alatus
Crabapple — AdirondackMalus 'Adirondack'
Crabapple — BRANDYWINE®Malus x 'Branzam'- Crabapple — CORALBURST®Malus x 'Coralcole'
- Crabapple — DolgoMalus 'Dolgo'
- Crabapple — GladiatorMalus 'Gladiator'
- Crabapple — Indian MagicMalus 'Indian Magic'
- Crabapple — LouisaMalus 'Louisa'
- Crabapple — Prairie RoseMalus 'Prairie Rose'
- Crabapple — PrairiefireMalus 'Prairiefire'
- Crabapple — RadiantMalus 'Radiant'
- Crabapple — Red BarronMalus 'Red Barron'
- Crabapple — ROYAL RAINDROPS®Malus 'JFS-KW5'
Crabapple — SargentMalus sargentii- Crabapple — Sargent TinaMalus sargentii 'Tina'
- Crabapple — Spring SnowMalus 'Spring Snow'
- Crabapple — ThunderchildMalus 'Thunderchild'
FIRST LOVE DianthusDianthus 'First Love'
Fruit Apple — HoneyCrisp, McIntosh, Red Deliciious, Sweet Sixteen, ZestarMalus varieties
Fruiting types — Apricot 'Moongold', 'Moorpark'Prunus armeniaca- Fruiting types — Apricot-ChinesePrunus armeniaca
Fruiting types — BingPrunus avium 'Bing'
Fruiting types — Cherry – 'Montmorency', 'North Star'Prunus cerasus
Fruiting types — Peach – Elberta, Polly, Red HavenPrunus persica 'Elberta', 'Polly', 'Red Haven'- Fruiting types — Peach – Reliance, Veteran, ContenderPrunus persica 'Reliance', 'Veteran', 'Contender'
Fruiting types — Plum – Mount RoyalPrunus 'Mount Royal'
Fruiting types — Plum – Santa RosaPrunus salicina 'Santa Rosa'- Fruiting types — Plum – TokaPrunus 'Toka'
- Fruiting types — Plum- StanleyPrunus 'Stanley'
- Fruiting types — Plum-SuperiorPrunus 'Superior'
- Fruiting types — Sour Cherry- Evans BaliPrunus cerasus 'Evans Bali'
- Fruiting types — Stella CompactPrunus avium 'Stella Compact'
- Golden Raindrops®Malus x 'Schmidtcutleaf'
Hopflower OreganoOriganum libanoticum
Kent Beauty ornamental oreganoOriganum 'Kent Beauty'
Lily of the valleyConvallaria majalis
MONGOLIAN BELLS ClematisClematis integrifolia 'PSHarlan'
Mongolian SnowflakesClematis hexapetala
Myrtle spurge / donkey-tail spurgeEuphorbia myrsinites
Ornamental types — Amur ChokecherryPrunus maackii
Ornamental types — Common Chokecherry – 'Canada Red', 'Schubert'Prunus virginiana
Ornamental types — European BirdcherryPrunus padus- Ornamental types — European Birdcherry – SUMMER GLOW®, 'Merlot'Prunus padus
Ornamental types — Newport PlumPrunus cerasifera 'Newport'- Ornamental types — Newport Plum (Kankakee strain)Prunus cerasifera 'Newport'
Ornamental types — PINK FLAIR®Prunus sargentii 'Pink Flare'
Ornamental types — Plum 'Princess Kay'Prunus nigra 'Princess Kay'
Ornamental types — Plum – Des FontainesPrunus x fontanesiana- Ornamental types — Plum – MT. ST. HELENS®Prunus cerasifera 'Frankthrees'
Ornamental types — Prunus- SUCKER PUNCH®Prunus x 'P002S' (PP25,767)
Oxlip PrimrosePrimula elatior
Panicle hydrangeaHydrangea paniculata
PeriwinkleVinca minor
Plantain lilyHosta sieboldiana
Sea Foam sageArtemisia versicolor 'Sea Foam'Serbian yarrowAchillea serbica
Silver Shield French SorrelRumex scutatus 'Silver Shield'
SPANISH PEAKS FoxgloveDigitalis thapsi
SUNSET FoxgloveDigitalis obscura 'Sunset'