Horses: plant evidence
Not listed does not mean safe.
Evidence exists for 138 of 164 plants. No evidence collected in this database yet for the other 26.
Sources covering Horses
- ASPCA Toxic and Non-Toxic Plants β 138 claims
- Merck Veterinary Manual β Houseplants and Ornamentals Toxic to Animals β 1 claims
Evidence applies only to the animal named by the source. Read claim scope notes before interpreting a listing.
β Toxic

Aloe
Aloe vera
β Toxic for HorsesHorses: β ToxicRead the evidence β
Corn Plant
Dracaena fragrans
β Toxic for HorsesHorses: β ToxicRead the evidence β
Devils Ivy
Epipremnum aureum
β Toxic for HorsesHorses: β ToxicRead the evidence β
English Ivy
Hedera helix
β Toxic for HorsesHorses: β ToxicRead the evidence β
Heartleaf Philodendron
Philodendron hederaceum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Jade Plant
Crassula argentea
β Toxic for HorsesHorses: β ToxicRead the evidence β
Oleander
Nerium oleander
β Toxic for HorsesHorses: β ToxicRead the evidence β
Sago Palm
Cycas revoluta, zamia species
β Toxic for HorsesHorses: β ToxicRead the evidence β
Tulip
Tulipa spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Alocasia
Alocasia spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Amaryllis
Amaryllis spp.
β Toxic for HorsesHorses: β ToxicMerck lists this among "imposter" lilies: not one of the lilies that damage cats' kidneys (Merck names Lilium and Hemerocallis).
Read the evidence β
Arrow-Head Vine
Syngonium podophyllum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Begonia
Begonia spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Caladium
Caladium hortulanum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Chinese Evergreen
Aglaonema modestum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Coleus
Coleus ampoinicus
β Toxic for HorsesHorses: β ToxicRead the evidence β
Cyclamen
Cyclamen spp
β Toxic for HorsesHorses: β ToxicRead the evidence β
Flamingo Flower
Anthurium scherzeranum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Gardenia
Gardenia jasminoides
β Toxic for HorsesHorses: β ToxicRead the evidence β
Geranium
Pelargonium species
β Toxic for HorsesHorses: β ToxicRead the evidence β
Madagascar Dragon Tree
Dracaena marginata
β Toxic for HorsesHorses: β ToxicRead the evidence β
Poinsettia
Euphorbia pulcherrima
β Toxic for HorsesHorses: β ToxicRead the evidence β
Inch Plant
Tradescantia flumeninsis
β Toxic for HorsesHorses: β ToxicRead the evidence β
Weeping Fig
Ficus sp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Yucca
Yucca spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Azalea
Rhododendron spp
β Toxic for HorsesHorses: β ToxicRead the evidence β
Rhododendron
Rhododendron spp
β Toxic for HorsesHorses: β ToxicRead the evidence β
Boxwood
Buxus spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Chrysanthemum
Chrysanthemum spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Daffodil
Narcissus spp
β Toxic for HorsesHorses: β ToxicRead the evidence β
Hyacinth
Hyacinthus orientalis
β Toxic for HorsesHorses: β ToxicRead the evidence β
Hydrangea
Hydrangea arborescens
β Toxic for HorsesHorses: β ToxicRead the evidence β
Iris
Iris species
β Toxic for HorsesHorses: β ToxicRead the evidence β
Lavender
Lavendula angustifolia
β Toxic for HorsesHorses: β ToxicRead the evidence β
Lily of the Valley
Convallaria majalis
β Toxic for HorsesHorses: β ToxicMerck lists this among "imposter" lilies: not one of the lilies that damage cats' kidneys (Merck names Lilium and Hemerocallis).
Read the evidence β
Morning Glory
Ipomoea spp
β Toxic for HorsesHorses: β ToxicRead the evidence β
Peony
Paeonis officinalis
β Toxic for HorsesHorses: β ToxicRead the evidence β
Primrose
Primula vulgaris
β Toxic for HorsesHorses: β ToxicRead the evidence β
Sweet Pea
Lathyrus latifolius
β Toxic for HorsesHorses: β ToxicRead the evidence β
Foxglove
Digitalis purpurea
β Toxic for HorsesHorses: β ToxicRead the evidence β
Larkspur
Delphinium species
β Toxic for HorsesHorses: β ToxicRead the evidence β
Lantana
Lantana camara
β Toxic for HorsesHorses: β ToxicRead the evidence β
Wisteria
Wisteria spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
English Yew
Taxus baccata
β Toxic for HorsesHorses: β ToxicRead the evidence β
English Holly
Ilex aquifolium
β Toxic for HorsesHorses: β ToxicRead the evidence β
Mistletoe "American"
Phoradendron flavescens
β Toxic for HorsesHorses: β ToxicRead the evidence β
Cycads
Cycas and Zamia species
β Toxic for HorsesHorses: β ToxicRead the evidence β
Autumn Crocus
Colchicum autumnale
β Toxic for HorsesHorses: β ToxicPet Poison Helpline: do not confuse spring crocus (Crocus, Iridaceae; GI upset) with autumn crocus (Colchicum autumnale; contains colchicine, highly toxic).
Read the evidence β
Castor Bean Plant
Ricinus communis
β Toxic for HorsesHorses: β ToxicRead the evidence β
Buttercup
Ranunculus spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Black Walnut
Juglans nigra
β Toxic for HorsesHorses: β ToxicRead the evidence β
Horse Chestnut
Aesculus glabra
β Toxic for HorsesHorses: β ToxicRead the evidence β
Mountain Laurel
Kalmia latifolia
β Toxic for HorsesHorses: β ToxicRead the evidence β
Plantain Lily
Hosta plantaginea
β Toxic for HorsesHorses: β ToxicRead the evidence β
Heavenly Bamboo
Nandina domestica
β Toxic for HorsesHorses: β ToxicRead the evidence β
Chamomile
Anthemis nobilis
β Toxic for HorsesHorses: β ToxicRead the evidence β
Chives
Allium schoenoprasum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Garlic
Allium sativum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Mint
Mentha sp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Oregano
Origanum vulgare hirtum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Parsley
Petroselinum crispum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Tarragon
Artemisia dracunculus
β Toxic for HorsesHorses: β ToxicRead the evidence β
Onion
Allium cepa
β Toxic for HorsesHorses: β ToxicRead the evidence β
Avocado
Persea americana
β Toxic for HorsesHorses: β ToxicRead the evidence β
Tomato Plant
Lycopersicon spp
β Toxic for HorsesHorses: β ToxicRead the evidence β
Rhubarb
Rheum rhabarbarium
β Toxic for HorsesHorses: β ToxicRead the evidence β
Apple
Malus sylvestrus
β Toxic for HorsesHorses: β ToxicRead the evidence β
Cherry
Prunus spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Peach
Prunus persica
β Toxic for HorsesHorses: β ToxicRead the evidence β
Lemon
Citrus limonia
β Toxic for HorsesHorses: β ToxicRead the evidence β
Lime
Citrus aurantifolia
β Toxic for HorsesHorses: β ToxicRead the evidence β
Bay Laurel
Laurus nobilis
β Toxic for HorsesHorses: β ToxicRead the evidence β
Lemon Grass
Cymbopogon citratus
β Toxic for HorsesHorses: β ToxicRead the evidence β
Leek
Allium ampeloprasum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Dahlia
Dahlia species
β Toxic for HorsesHorses: β ToxicRead the evidence β
Carnation
Dianthus caryophyllus
β Toxic for HorsesHorses: β ToxicRead the evidence β
Hosta
Hosta plataginea
β Toxic for HorsesHorses: β ToxicRead the evidence β
Clematis
Clematis spp.
β Toxic for HorsesHorses: β ToxicRead the evidence β
Satin Pothos
Scindapsus pictus
β Toxic for HorsesHorses: β ToxicRead the evidence β
Elephant Ears (Colocasia esculenta)
Colocasia esculenta
β Toxic for HorsesHorses: β ToxicRead the evidence β
Brunfelsia
Brunfelsia species
β Toxic for HorsesHorses: β ToxicRead the evidence β
Jerusalem Cherry
Solanum pseudocapsicum
β Toxic for HorsesHorses: β ToxicRead the evidence β
Pencil Cactus
Euphorbia tirucalli
β Toxic for HorsesHorses: β ToxicRead the evidence β
Rosary Pea
Abrus precatorius
β Toxic for HorsesHorses: β ToxicRead the evidence β
! Caution
No plants in this category yet. Try another status or browse the directory.
β Conflicting sources
No plants in this category yet. Try another status or browse the directory.
β Non-toxic

African Violet
Saintpaulia spp.
β Non-toxicHorses: β Non-toxicRead the evidence β
Areca Palm
Dypsis lutescens
β Non-toxicHorses: β Non-toxicRead the evidence β
Bamboo Palm
Chamaedorea elegans
β Non-toxicHorses: β Non-toxicRead the evidence β
Calathea
Calathea spp.
β Non-toxicHorses: β Non-toxicRead the evidence β
Cast Iron Plant
Aspidistra elatior
β Non-toxicHorses: β Non-toxicRead the evidence β
Christmas Cactus
Schlumbergera bridgesii
β Non-toxicHorses: β Non-toxicRead the evidence β
Easter Lily
Lilium longiflorum
β Non-toxicHorses: β Non-toxicMerck: the lilies that damage cats' kidneys are Lilium lilies and Hemerocallis daylilies (Merck's list calls both "true lilies"; ASPCA files daylilies in a different plant family). Many other plants with "lily" in the name are not in this group.
Read the evidence β
Money Tree
Pachira aquatica
β Non-toxicHorses: β Non-toxicRead the evidence β
Peperomia Rotundifolia
Peperomia rotundifolia
β Non-toxicHorses: β Non-toxicRead the evidence β
Phalaenopsis Orchid
Phalaenopsis sp.
β Non-toxicHorses: β Non-toxicRead the evidence β
Prayer Plant
Calathea insignis
β Non-toxicHorses: β Non-toxicRead the evidence β
Swedish Ivy
Plectranthus australis
β Non-toxicHorses: β Non-toxicRead the evidence β
Aluminum Plant
Pilea cadieri
β Non-toxicHorses: β Non-toxicRead the evidence β
Burro's Tail
Sedum morganianum
β Non-toxicHorses: β Non-toxicRead the evidence β
Crape Myrtle
Lagerstroemia indica
β Non-toxicHorses: β Non-toxicRead the evidence β
Hibiscus
Hibiscus syriacus
β Non-toxicHorses: β Non-toxicRead the evidence β
Lipstick Plant
Aeschynanthus humilis
β Non-toxicHorses: β Non-toxicRead the evidence β
Nerve Plant
Fittonia verschaffeltii
β Non-toxicHorses: β Non-toxicRead the evidence β
Pilea Microphylla
Pilea microphylla
β Non-toxicHorses: β Non-toxicRead the evidence β
Polka Dot Plant
Hypoestes phyllostachya
β Non-toxicHorses: β Non-toxicRead the evidence β
Pony Tail
Beaucarnea recurvata
β Non-toxicHorses: β Non-toxicRead the evidence β
Venus Fly Trap
Dionaea muscipula
β Non-toxicHorses: β Non-toxicRead the evidence β
Common Staghorn Fern
Platycerium bifurcatum
β Non-toxicHorses: β Non-toxicRead the evidence β
Blue Echeveria
Echeveria glauca
β Non-toxicHorses: β Non-toxicRead the evidence β
Ghost Plant
Sedum weinbergii
β Non-toxicHorses: β Non-toxicRead the evidence β
Hens and Chickens
Echeveria elegans
β Non-toxicHorses: β Non-toxicRead the evidence β
Camellia
Camellia japonica
β Non-toxicHorses: β Non-toxicRead the evidence β
Petunia
Petunia species
β Non-toxicHorses: β Non-toxicRead the evidence β
Rose
Rosa Species
β Non-toxicHorses: β Non-toxicRead the evidence β
Common Snapdragon
Antirrhinum majus
β Non-toxicHorses: β Non-toxicRead the evidence β
Sunflower
helianthus angustifolius
β Non-toxicHorses: β Non-toxicRead the evidence β
Tiger Lily
Lilium tigrinum
β Non-toxicHorses: β Non-toxicMerck: the lilies that damage cats' kidneys are Lilium lilies and Hemerocallis daylilies (Merck's list calls both "true lilies"; ASPCA files daylilies in a different plant family). Many other plants with "lily" in the name are not in this group.
Read the evidence β
Stargazer Lily
Lilium orientalis
β Non-toxicHorses: β Non-toxicMerck: the lilies that damage cats' kidneys are Lilium lilies and Hemerocallis daylilies (Merck's list calls both "true lilies"; ASPCA files daylilies in a different plant family). Many other plants with "lily" in the name are not in this group.
Read the evidence β
Cilantro
Coriandrum sativum
β Non-toxicHorses: β Non-toxicRead the evidence β
Dill
Anethum graveolena
β Non-toxicHorses: β Non-toxicRead the evidence β
Lemon Balm
Melissa officinalis
β Non-toxicHorses: β Non-toxicRead the evidence β
Rosemary
Rosmarinus officinalis
β Non-toxicHorses: β Non-toxicRead the evidence β
Sage
Salvia officinalis
β Non-toxicHorses: β Non-toxicRead the evidence β
Thyme
Thymus vulgaris
β Non-toxicHorses: β Non-toxicRead the evidence β
Banana
Musa acuminata
β Non-toxicHorses: β Non-toxicRead the evidence β
Cucumber
Cucumis sativus
β Non-toxicHorses: β Non-toxicRead the evidence β
Strawberry
Fragaria spp.
β Non-toxicHorses: β Non-toxicRead the evidence β
Fennel
Foeniculum vulgare
β Non-toxicHorses: β Non-toxicRead the evidence β
Sweet Potato Vine
Ipomoea batatas
β Non-toxicHorses: β Non-toxicRead the evidence β
Bamboo
Phyllostachys aurea
β Non-toxicHorses: β Non-toxicRead the evidence β
Zinnia
Zinnia species
β Non-toxicHorses: β Non-toxicRead the evidence β
Crossandra
Crossandra species
β Non-toxicHorses: β Non-toxicRead the evidence β
Purple Passion Vine
Gynura aurantica
β Non-toxicHorses: β Non-toxicRead the evidence β
Kenilworth Ivy
Cymbalaria muralis
β Non-toxicHorses: β Non-toxicRead the evidence β
Night Blooming Cereus
Hylocereus undatus
β Non-toxicHorses: β Non-toxicRead the evidence β
Coral Bells
Heuchera sanguinea
β Non-toxicHorses: β Non-toxicRead the evidence β
Nasturtium
Tropaeolum majus
β Non-toxicHorses: β Non-toxicRead the evidence β
Pansy Orchid
Miltonia roezlii alba
β Non-toxicHorses: β Non-toxicRead the evidence β
Gloxinia
Sinningia speciosa
β Non-toxicHorses: β Non-toxicRead the evidence β
No evidence collected in this database yet (26 plants)
No collected claim covers these plants for this animal. It does NOT mean safe.
- Boston Fern
- Dieffenbachia
- Haworthia
- Parlor Palm
- Peace Lily
- Snake Plant
- Spider Plant
- Split Leaf Philodendron
- Asparagus Fern
- Bird of Paradise
- Clivia Lily
- Dracaena
- Wax Plant
- Kalanchoe
- Kentia Palm
- Schefflera
- Swiss Cheese Plant
- Ti-Plant
- Garden Marigold
- Asian Lily
- Day Lilies (many varieties)
- Basil
- Catnip
- Macadamia Nut
- Impatience Plant
- Mother of Millions