Plants. Lime makes soils less acidic and more alkaline. Most plants grow best in slightly acidic soil. By adding lime to the soil, you can kill a variety of pest plants. Fewer nutrients become available to the unwanted plants as the soil becomes less acidic.
Select a well-draining site in full sun for your wisteria. These plants require at least six hours of direct sunlight each day. They prefer moist locations that don't dry out excessively, but won't tolerate wet feet. Multiple plants will need at least 10 to 15 feet of space between them.
Wisteria are long-lived landscape specimens valued for their copious fragrant blooms. These vigorous vine ornamental plants are practically care-free once established. But for them to perform well for many years to come, soil preparation is necessary to accommodate their modest needs.