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.
The Hallidays' top tips to help your wisteria flower: 1  Pruning is vital. You need to prune twice a year - once in mid-summer and once in February. 2  Feeding - Don't overfeed the plant. If you use a high nitrogen food you will get too much leaf growth. 3  Support - You must have strong wires and strong support for the plant.