Sweet Acacia are known as a Tropical and subtropical trees that are closely related to the Acacia karroo, Wattle tree and Mimosa tree. Sometimes it can be very difficult to tell them apart.
Its beautiful puffy yellow flowers grow to be about 1/2 inch across with deep green bipinnately compound textured leaves that are 2 to 4 inches long. They look very similar to the leaves of the jacaranda tree. When these flowers are in bloom they are quite a site to behold not to mention a very fragrant tree, that’s one of the reasons it got the name sweet acacia because of its sweet fragrance.
This is a thorny shrub that if allowed will grow into a tree standing up to 20 feet in height with a equally wide spreading crown.
These trees are also known as Acacia farnesiana, thorny bush or Acacia Smallii.
this tree comes from a large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia, also commonly seen growing in Southern United States, Mexico and tropical America. No one seems to be real specific on where it originated although it grows abundantly in areas of Tanzania Africa which used to be a tropical rainforest hundreds of years ago.
These are such beautiful trees with yellow flowers!
As you can see the Acacia Farnesiana are such prominent statuesque Trees, this one is Tanzania
Lilac breasted Roller Sitting on top of a Acacia smallii
The most unfortunate thing about this tree is that there are very few growers that supply to the public and the amount of trees they are able to grow are vey few as well, so basically they are pretty hard to get !
This particular species can tolerate temperatures that fall way into the mid 20's and event though they are considered to be tropical trees they are fairly hardy trees resilient enough to come back and revive its self.
It grows best in zones 8 through 11
These trees can survive on very little water once established and it will grow in most soil types provided they are well-draining.
Although they are drought tolerant, they grow much lusher, produce more yellow flowers, much healthier and retain its leaves longer with an adequate supply of water.
The acacia farnesiana are grown as Bonsai and do well in a container or above ground planters.
This tree is considered to be an evergreen tree but will faithfully bloom each year in late spring, early summer and keep growing till the fall.
They Love to be planted in full sun where they thrive best.
If you are luck enough to find one of these trees and you want to try to propagate the tree your self all you need to do is get
semi hardwood cuttings and place them in a jar of water with some root booster for a couple of weeks then plant it into the ground and its best to stake it to help it stay up straight until it is established.
Or you can grow then from seed all you need to do break off a branch that has pods on them, allow the pods to dry on the branch then when they are dry break open to collect seeds.
Next you should sow them after last frost then cress your fingers