Are autumn blaze maples toxic to horses?

The only species of maple that has been shown to be toxic to horses in the eastern states is the red maple (Acer rubrum). “Autumn Blaze” is a hybrid between red maple (Acer rubrum) and the silver maple (Acer saccharinum). When eaten by horses, the wilted leaves of the red maple can lead to a severe and possibly fatal anemia. Since Autumn Blaze is a hybrid of the red maple, it is possible, although undocumented, that it may be toxic …

How dangerous is foxglove (Digitalis purpurea) and is it poisonous to horses? Does it tend to spread and become difficult to control?

Foxglove is poisonous to mammals. See the link to the Cornell University Web site at http://www.ansci.cornell.edu/plants/php/plants.php?action=display&ispecies=horses for more information on poisonous plants. You can follow the links in the Cornell reference to the Canadian database as well. There was no information on how much a horse must eat to become sick. It does have to be ingested to make a horse sick. You should consult your veterinarian for more details. All parts of the plant are poisonous. Depending on which …

How long should horse manure age before applying it to my flower and vegetable gardens? How much should I apply?

Material that has decomposed adequately will be brown and crumbly. It will have a fresh, earthy smell. The pile will also no longer heat up when you turn or mix it. When you examine the pile and it has reached this point, it can be used in the garden. There are several factors that will affect how quickly the manure will reach this point and how much you can utilize around your garden.
1. Does it contain bedding? Manure that …