Carob Trees are trees in the Umtiza clade of the Caesalpinioideae subfamily of the pea family. Acacias are in a different clade of the same subfamily. Members of other subfamilies of the pea family include peas, camel thorn, clover, locust trees, lupines, milk vetch, pagoda trees, redbud trees, scurfpeas, and trefoils.
Carob (Ceratonia siliqua) is an evergreen tree from the Mediterranean region and the Middle East. Its fruit pods are edible. It can grow to about 50 feet tall. It is drought tolerant and prefers good drainage. Carob trees are usually either male or female, but some carob trees bear a combination of male and female flowers and even "perfect" flowers (containing both male and female parts in the same flower) Male Carob trees are ranked 8 out of 10 on the Ogren Plant Allergy Scale, indicating that they cause fairly severe hay fever. It is planted in Woodland City Cemetery and as a street tree on 3rd Street.
Honey Locust (Gleditsia triacanthos) is a fast-growing, thorny, deciduous tree from central North America. Despite its common name, it is not all that closely related to the true locust trees (though they are all members of the pea family). It usually grows 65 to 80 feet tall. In 20 years, it might grow to 35 feet tall. It prefers full sun. It is equally likely to grow in wetlands or in dry areas. Honey Locust trees are usually either male or female, but some carob trees bear a combination of male and female flowers and even "perfect" flowers (containing both male and female parts in the same flower). On the Ogren Plant Allergy Scale, male Honey Locust trees are ranked 7 out of 10 and bigender Honey Locust trees are ranked 4 out of 10, indicating, respectively, a fairly severe or a fairly mild tendency to cause hay fever. Honey Locust is planted in Campbell Park, Pioneer Park, Ralph Harris Park, William Crawford, Sr., Park, and the Woodland City Cemetery. It is also planted as a street tree on Bartlett Avenue, Elm Street, Johnston Street, and Marshall Avenue.
Kentucky Coffeetree (Gymnocladus dioicus) is a deciduous tree from the Midwestern United States. Despite its common name, it is not at all closely related to either our native coffeeberries or Arabic Coffee (the source of actual coffee beans). It usually grows 75 to 100 feet tall and 40 to 50 feet wide, with a lifespan of about 100 to 150 years. In 20 years, it might grow to 25 feet tall. It prefers full sun and regular water. Male Kentucky Coffeetrees are ranked 9 out of 10 on the Ogren Plant Allergy Scale, indicating that they cause severe hay fever. If you suffer from hay fever from March through May, a Kentucky Coffeetree may well be the cause of your suffering. Kentucky Coffeetree is planted at the Woodland City Cemetery. It is also planted as a street tree on 4th Street, 5th Street, East Keystone Avenue, and Walnut Street. The City of Woodland plants only male Kentucky Coffeetrees.