Poisonous Plants
Horse Pasture And Grazing

From: Horse Care | Pasture And Grazing

See also:Pasture Care| Fences |Field Equipment| Worming


Poisoning of Horses - Horse Poison

Poisonous Plants
Good field management will help you to achieve the correct grasses for horse pasture, however there are many plants that are poisonous to horses and knowing how to spot them and how to eradicate them is a very important aspect of horse care.

This pretty yellow flowering plant, usually flowers in April and May but can continue to flower throughout the summer months. The buttercup can have all yellow petals or white petals with a yellow centre.

Bracken is a type of fern which commonly grows between two and six feet high. Bracken dies back during the autumn and cold winter months and starts to come through again in the spring and summer months.

This is a shrub which grows to approximately 4 to 15 meters high with black berries and green leaves up to 15 cm in length.

Cherry Laurel
This is an evergreen shrub which can grows to around 6 meters high. The Cherry Laurel produces white flowers around April and then small cherry like berries which turn black around Autumn time.

This beautiful plant produces purple bell like flowers and can grow from between 1 to 2 meters high. It flowers throughout the summer.

These plants can grow to around 1.5 to 2 meters high and look like spiky bristles on a brush.

Hemp Nettle
Hemp Nettle produces small red flowers.

The Iris can be a number of different colours.

A tree which produces beads of yellow flowers around May and June time.

Is another name given to the Flax plant. The Flax plant has five pale blue petals with brown seeds within and grows to approximately 1 meter in height. These seeds when boiled are no threat to the horse however untreated are poisonous.

Lilly Of The Valley
The Lilly of the valley grows to approximately 15 to 20 cm and produces small white bell shaped flowers amongst broad green leaves.

The Larkspur can vary in height from 15 cm to 1 to 2 meters. It produces several small flowers which have five petals surrounding the centre which forms a spur shape. The Larkspur can be a number of different colours such as purple, blue, white and yellow and all parts of the plant are toxic.

This is a vibrant blue flower which has big hood like petals.

Northern Water Hemlock (NA)
Poison Hemlock can be identified by its reddish purple spots on the smooth stems with a white flower on top and can grow to approximately 2 meters.

Oak Tree
A beautiful tree that can live for hundreds of years that in the Autumn produces an ever increasing number of Acorns with each passing year. Horses that like the taste of the leaves and Acorns will try to seek them out so fencing off the Oak tree and surrounding overhang is the best option to help prevent poisoning.

This is a evergreen shrub, which can produce small white, pink, yellow or red flowers.

The poppy produces a vibrant red flower which has black seeds in the centre. The Poppy flowers for a few months in the summer.
Flowers between June and August with the foliage staying green the rest of the year.

A dense shrub that produces white flowers around July and August and black fruit in the autumn.

Alive or dead, all parts of a Ragwort plant are poisonous to horses, due to its taste it is generally avoided when it is in the field unless it is the only source of food, The most common danger comes when Ragwort is mixed in with grass that is due to be cut for hay making.

This is a tree or shrub which can have a variety of different coloured flowers.

Russian knapweed
This is a fairly small plant which produces small, most commonly white flowers.

Red Maple (Acer rubrum)
The Red Maple is a beautiful looking tree, especially in the Autumn due to the leaves turning red in colour. The Red Maple Maple has green deciduous leaves and the bark is gray in colour.

St John's Wort
This is a bright yellow flower between June and September which stems gives off a bright red juice when broken.

Yew Tree
This is an evergreen tree which produces red berries.