- 1). Fill a vase with water or a planter with potting mix. Neither rooting medium is better. Select the one you prefer.
- 2). Cut a 12-inch-long tip off the vine to root it in water. Take a 6-inch cutting to grow it in soil. Collect the stems with a pair of shears in late winter.
- 3). Mix a little rooting hormone with water in the vase, according to the manufacturer's instructions. Dip the cut end of the shorter stem in rooting hormone if using soil as the rooting medium.
- 4). Place the stem in the water or plant it in the soil. Water the potting mix right away. Continue to keep it moist until the new roots appear. Replace the water in the vase if it becomes cloudy. Add more water as it evaporates.
- 5). Break the soil in a sunny area 6 inches deep and incorporate 2 inches of compost into it.
- 6). Transplant the new vine outside after the last frost as soon as their roots grow 1 inch long. Do not wait to move the vine to a permanent location, as established wisteria does not transplant well. Provide a trellis to support the vine.
- 7). Irrigate the vine to the root zone at planting. Continue to maintain the soil moist through the growing season to promote strong root development. From the second season on, water the wisteria to the root zone whenever the foliage begins to wilt.
- 8). Trim the wisteria's leading stems to your preferred length in the dormant season. Cut the side shoots sprouting from them back to three buds. Make pruning cuts ¼ inch above a bud at a 45-degree angle. In the summer, cut the vine to prevent it from becoming tangled and growing out of bounds. Wisteria takes severe pruning well. But, because it flowers from buds set the previous summer, taking too much wood out in the winter results in few blooms.
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