Outdoor Plants
Garden, yard, and wild plants that pets may encounter.
Plant
Autumn Crocus
Colchicum autumnale
Contains colchicine, which can cause multi-organ failure and death in dogs.
Basil Plant
Ocimum basilicum
Non-toxic to dogs. A safe herb garden addition.
Bee Balm
Monarda didyma
Safe; attracts pollinators and is non-toxic to pets.
Begonia
Begonia spp.
Tubers are the most toxic part and can cause severe mouth irritation and vomiting in dogs.
Bittersweet Nightshade
Solanum dulcamara
Berries and leaves can cause GI upset and neurologic signs.
Black Nightshade
Solanum nigrum
Unripe berries and leaves contain solanine and can cause GI and neurologic signs.
Black Walnut
Juglans nigra
Moldy nuts and hulls can cause tremors and seizures; plain nuts may cause GI upset or obstruction.
Black-Eyed Susan
Rudbeckia hirta
Non-toxic to dogs. A safe native wildflower.
Calendula
Calendula officinalis
Non-toxic to dogs. Sometimes used in herbal pet products.
Camellia
Camellia japonica
Non-toxic to dogs. Camellia oil is also used in some pet products.
Autumn Crocus
Colchicum autumnale
Contains colchicine, which can cause multi-organ failure and death in dogs.
Begonia
Begonia spp.
Tubers are the most toxic part and can cause severe mouth irritation and vomiting in dogs.
Bittersweet Nightshade
Solanum dulcamara
Berries and leaves can cause GI upset and neurologic signs.
Black Nightshade
Solanum nigrum
Unripe berries and leaves contain solanine and can cause GI and neurologic signs.
Black Walnut
Juglans nigra
Moldy nuts and hulls can cause tremors and seizures; plain nuts may cause GI upset or obstruction.
Castor Bean
Ricinus communis
Seeds contain ricin, a potent toxin that can be fatal to dogs.
Chamomile
Matricaria chamomilla
Can cause vomiting, diarrhea, anorexia, allergic reactions, and bleeding tendencies with repeated exposure.
Chrysanthemum
Chrysanthemum morifolium
Can cause mild gastrointestinal upset and skin irritation in dogs.
Common Milkweed
Asclepias syriaca
Contains cardenolides that can cause severe cardiac and neurologic effects.
Daffodils
Narcissus spp.
Bulbs are the most toxic part and can cause severe vomiting and diarrhea in dogs.
Creeping Charlie
Glechoma hederacea
May cause mild vomiting or diarrhea if large amounts are ingested.
Wood Sorrel
Oxalis spp.
Contains oxalates that can irritate the mouth and kidneys in large amounts.
Yarrow
Achillea millefolium
May cause vomiting, diarrhea, or skin irritation in sensitive dogs.
Basil Plant
Ocimum basilicum
Non-toxic to dogs. A safe herb garden addition.
Bee Balm
Monarda didyma
Safe; attracts pollinators and is non-toxic to pets.
Black-Eyed Susan
Rudbeckia hirta
Non-toxic to dogs. A safe native wildflower.
Calendula
Calendula officinalis
Non-toxic to dogs. Sometimes used in herbal pet products.
Camellia
Camellia japonica
Non-toxic to dogs. Camellia oil is also used in some pet products.
Catnip
Nepeta cataria
Non-toxic to dogs. May cause mild sedation in large amounts.
Chickweed
Stellaria media
Safe and nutritious; often used in small amounts as a garden green.
Common Mallow
Malva neglecta
Safe and non-toxic; leaves and flowers are edible.
Common Plantain
Plantago major
Safe and non-toxic; often found in lawns and sidewalk cracks.
Cosmos
Cosmos bipinnatus
Non-toxic to dogs. Safe for cottage-style gardens.