Poisonous Plants To Fish

Published: Mon, 28 Jul 2014 14:52:40

By: Steve Knowles

There are some plants that any koi-keeper should be wary of. If you are planning to build a pond, and or water garden, caution should be used in the placement of all plantsPoisonous Plants  To  Fish

Landscaping is key to making a pond an ecosystem and bringing it to life. Plants and bushes or trees bring in all types of birds, butterflies, frogs and more.

However there are some plants that any koi-keeper should be wary of. We have compiled a list of some varieties of Plants, bushes ,and trees albeit not all inclusive, that are known to be Poisonous or toxic to Fish, Dogs, Cats, and other Aquatic life.

If you are planning to build a pond, and or water garden, caution should be used in the placement of all plants,keeping all leaves, berries ,flowers, fruit and pollen from falling in to the water.

This is the first step in having a healthy ecosystem.

This list is only a guide for you to make good decisions on plants that you should use around your water garden.. If you do not see a particular plant on this list, It DOES NOT necessarily indicate that a plant is not poisonous or toxic.

This list of plants which may be poisonous or Toxic to fish has been assembled from several sources

ACONITUM (Aconite, Monkshood) Roots, flowers, & leaves

Allamanda – All parts

Allspice- Leaves,seeds

Alocasia Leaves and stems

Aloe Leaves

Amaryllis Bulbs

Anemone – All parts

Angel Trumpet Tree (Datura Arborea) Flowers & leaves

Anthurium All parts

Apple Seeds contain hydrocyanic acid

Aprcot Leaves

Atropa Belladonna All parts, especially black berries

Autumn Crocus (C. Sativus, Saffron Crocus) Bulbs

Azaleas (Rhododendorn) Leaves

Balsam Pear Seeds, Outer Rind of Fruit

Baneberry Berries, roots

Beach Pea (Lathyrus Maritimus) Stems

Betel Nut Palm All parts

Bird of Paradise Seeds

Bittersweet (Celastrus) Berries

Black Locust Bark, sprouts, foliage

Black walnut Hulls

Bleeding Heart Foliage & roots

Bluebonnets (Lupinus) All parts

Blue-Green Algae Some forms toxic

Bottlebrush (Callistemon, possibly Melaleuca) flowers

Boxwood Leaves, stems

Buckeye , Horse Chestnut) Sprouts and nuts

Buckthorn Fruit, bark

Buttercup Sap, leaves, bulbs


Caladium – Whole plant

California tern Roots seeds

Calla Lily Leaves

Carolina jasmine – All parts

Castor Bean (Castor Oil) Beans, Leaves

Challice Vine All parts

Chenille plant

Cherry bark, twigs, leaves, pits

Cherry seeds contain hydrocyanic acid

Cherry Laurel (Prunus Varieties) all parts, seeds contain hydrocyanic acid

Cherry Tree Bark, twigs,l eaves, pits

Chinaberry (Melia Azedarach) berries are poisonous

Choke cherry – all parts, especially the cherries

Christmas Berry (Heteromeles Arbutifolia, Toyon) berries are poisonous

Christmas Candle Sap

Colocasia all parts

Columbine (Aquilegia) all parts

Common Privet (Ligustrum) black or blue wax coated berries and leaves

Coral Berry (Symphoricarpos) seeds

Coral Plant Seeds

Crpcus All bulbs

Croton Seeds

Daffodil Bulbs

Daphne Berries

Datura (Brugmansia) Flowers, berries, & seeds

Day lily very poisonous to cats

Deadly Amanita All parts

Deadly Nightshade All parts, unripe fruit & foliage

Death Camas All parts

Delphinium All parts

Destroying Angel (Amanita Phalloides, Death Cup) All parts

Dieffenbachia Leaves

Digitalis – All parts

Poisonous Plants  To  Fish

Dogwood (Cornus) Fruit slightly poisonous

Dumbcane (dieffenbachia) – All parts

Easter lily Very poisonous to cats

Egg Plant All parts but fruit

Elderberry (Sambucus) red fruit poisonous, black & blue fruit o.k.

Elephant Ear (Taro, Caladium) Stem & leaves

English Ivy Berries, leaves

Euphorbia Roots, sap

False Henbano All parts

Fly Agaric (Fly Amanita Mushroom) Whole plant

Four O'Clock Whole plant

Foxglove Leaves, seeds

Gelsemium Whole plant

Gloriosa lily – All parts

Golden Chain All parts, especially seeds

Hellebore (Ranunculaccea) All parts

Hemlock (Tsuga) All parts, especially roots

Hemlock, water All parts, especially roots and seeds

Hemlosk, poison All parts, especially roots and seeds

Henbane Seeds

Holly Berries

Honeysuckle Leave, flowers

Horse Chestnut Nuts, twigs

Hyacinth Bulbs

Hydrangea Flower bud

Impatiens (Balsam, Touch-Me-Not, Snapweed) whole plant

Indian Turnip(Jack-in-the-Pulpit) All parts

Iris (Blue Flag) Bulbs

Ivy (Hedera) All parts

Jack-in-the-pulpit – All parts

Japanese laurel – All parts

Jasmine berries

Java Bean (Lima) Uncooked bean

Jerusalam Cherry (Solanum Pseudocapsicum) fruit & leaves

Jimsonweed Leaves, seeds

Juniper (J.virginiana) Needles, stems, berries

Lanbkill (Kalmia Angustifolia, Sheep Laurel) leaves

Lantana Immature Berries

Larkspur (Delphinium) foliage & roots are dangerous, seeds may be fatal

Laurel All parts

Lily of the Valley All parts, including water

Lobelia Leaves

Locoweed All parts

Locust Bark,leaves, seeds

Lords and Ladies All parts

Lupine (Lupinus) Seeds

Machineel All parts

Marijuana All parts

May Apple (Podophullum) All parts

Mescal Bean Seeds

Milkweed (Asciepias) All parts, especially sap

Misteltoe Berries

Moccasin FLOWER (Lady Slipper, Cypripedium Spectabiles) All parts

Mock Orange Fruit

Monkshood Leaves, roots

Morning Glory All parts

Mountain Laurek (Kalmia Latifolia) Young leaves & shoots, can be fatal

Mushrooms Wild types

Mustard – Roots and seeds

Narcissus Bulbs

Natal Cherry (Solanum) Berries

Nicotiana (Flowering Tobacco) Leaves

Nightshades (all) Berries, leaves

Oak Acorns, foliage

Oleander All parts

Oleaner Leaves,branches,nectar of blossoms

Peach, Seeds

Pear, Seeds

Peony (Paeonia) All parts

Periwinkle (Vinca, Myrtle) whole plant

Philodendron Leaves, stem

Pikeweed Leaves,roots,immature berries

Pine Sap

Pinks (Sweet William, Carnation, Dianthus) All parts

Plum, Seeds

Poinsettia Leaves, flowers

Poison Ivy Sap

Poison Oak Sap

Pokeweed (Phytolacca, Pokeberry) Roots are dangerous

Poppy (Papaver) All except California Poppy can be dangerous

Potato Eyes and new shoots

Privet Berries, leaves

Prunus (many varieties) Seeds, some parts

Ranunculus All parts

Redwood Sap (from decks also)

Rhododendron All parts

Rhubarb Leaves

Rosary Peas Seeds

Rosemary (Rosemarius Officinalis) Leaves of certain varieties are poisonous

Sage (Salvia) Leaves of certain varieties are poisonous

Scotchbroom (Cytinsus Scoparious) Seeds, invasive

Senecio Whole plant of some species

Skunk Cabbage All parts

Snapdragon All parts

Snow Drops All parts, especially bulbs

Snow on Mountain All parts

Solanum (Nightshade) All, especially some berries

Squirrel Corn (Dicentra Canadensis, Bleeding Heart) All parts

Stramonium (Jimson Weed, Datura) All parts

SUMAC (Rhus) All parts

Sweet Pea Seeds and fruit

TANSY (Tanacetum) All parts

Taro – All parts

Tiger Lily All parts

Toadstools Can be fatal

Tobacco Leaves

Tomato Foliage & vines

Trumpet vine – All parts

Tulip Bulbs

Virginia Creeper Sap

Wisteria All parts

Yam Bean Roots, immature polds

Yew (American, English, Japanese)

Description: There are some plants that any koi-keeper should be wary of. We have compiled a list of some varieties of Plants, bushes ,and trees
Key Words: Poisonous Plants,Toxic plants for fish