Apply an all-purpose fungicide to the entire plant, following the label instructions carefully. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Reapply as directed on the product label. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Organic options won’t kill the fungus, but will prevent it from spreading. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. This could be done anytime when your American wisteria is growing. Dead, damaged, or diseased leaf blade foliage can be removed as it appears. As your American wisteria grows larger over time, you can trim it as needed after annual pruning.
#AMERICAN WISTERIA VINE HOW TO#
Since this can affect the long-term health and appearance of your plant, it’s important to keep this in mind when deciding when and how to prune. However, if your American wisteria is indoors this is not a problem and you can prune at any time. It’s important to note that if American wisteria is pruned too late in the season, it can leave new growth at risk for damage or disease. This is also the best time of year to do more extensive pruning. This is the time of year when plants are dormant and pruning causes the least damage to them. On the other hand, if your plant is already established, you will want to prune the dry or dead parts in plant before new leafy growth appears in early spring or late winter. For example, if your American wisteria is a new resident, it’s a good idea to wait until the plant starts to grow back before you start pruning. However, knowing when to prune your American wisteria depends on where you live and how established your plant is. Strategic pruning is usually done at different times of the year or during certain stages of growth depending on the plant. Diseased leaf blade foliage can be removed as it appears.
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Any pruning that is done to this plant should be cut straight across the blades or stems. These parts cannot be restored and pruning can increase the ventilation of the plants and facilitate their growth. When pruning, be careful not to damage the new growth that may be emerging near the base of your plant. Repeat this process until you reach the base of the plant or until there are no dead pieces left to cut. Some time between late winter and early spring – or when new growth starts to appear – take your clean pruners or trimmers and cut away any dying, damaged, yellow or declining foliage. To prune your American wisteria simply allow your plant to go dormant over the Winter. It’s important to always clean your gardening tools before and after using them to prevent the possibility of spreading disease or infection to other plants. You may use a clean pair of sharp scissors if you don’t have pruners or garden shears on hand. First, you will need a reliable set of hand pruners or hedge trimmers. Pruning your American wisteria is a fairly simple process.
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