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How to Deadhead Clematis Jackmanii

Updated February 21, 2017

Clematis jackmanii is a cultivar of the clematis vine, which is a large flowering vine. This variety produces large purple flowers that take over a fence post or trellis during the blooming season. Clematis jackmanii is a late-blooming cultivar, becoming its most showy in the late spring and into the summer. Deadheading the plant by removing fading blooms will encourage the vine to produce more flowers before the end of the season.

Wait for the Clematis jackmanii flowers to begin to fade in the summer. The petals will become wilted in appearance, and may begin to turn brown.

Hold the stem of the fading flower and count two flower nodes under the existing blossom.

Use garden shears or sharp scissors to cut the dying flower off at the point underneath the other two nodes. The plant will respond by creating new blooms.

Water the Clematis jackmanii immediately after the first deadheading session. The plant needs at least 1 gallon of water per week, so make this your weekly watering session.

Continue checking the plant for dying flowers throughout the growing season, removing them as you find them.

Tip

If you only remove half the dying flowers, some of the remaining blooms will produce seeds, which you can store for planting next season.

Things You'll Need

  • Garden shears
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About the Author

Based in Richmond, Va., Dawn Gibbs writes about topics such as history, fashion, literature, crafts, alternative medicine and healthy living. Her work has appeared on GreenDaily.com and several style websites. Gibbs holds a Bachelor of Arts in history from Virginia Commonwealth University.