- 1). Cut a 12-inch or longer branch from your wisteria vine, using sharp pruning shears, in January or early February. Select a branch that contains multiple flower buds, which are large bumps on the branch. Flower buds are larger than leaf buds.
- 2). Fill a large tub or container with room-temperature tap water. Lay the branch in the water, submerging it completely, and soak it overnight.
- 3). Transfer the branch to a vase filled with water. Set the branch in the vase so the lower third is submerged in water.
- 4). Place the vase in an area that receives bright, indirect light and maintains a temperature near 50 degrees Fahrenheit.
- 5). Replace the water in the vase every three to four days. Replace it sooner if the water becomes cloudy or develops a bad odor.
- 6). Mist the branch with water from a spray bottle once a day. Misting keeps the humidity around the wisteria high, which encourages flowering.
- 7). Move the wisteria to a warmer location once the flower buds begin to open, about three weeks after you bring the branch indoors. A location with night temperatures near 60 F and day temperatures near 70 F works well. Continue to change the water every three days during the blooming period.
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