How to Trim Hibiscus in the Desert

Hibiscus rosa-sinensis, also known as Chinese hibiscus, is a flowering, broadleaf evergreen shrub that's prized for its large and fragrant blossoms. Blossoms form on the current year's growth, so early spring is the best time to give the shrub a proper trimming. Hibiscus performs best in U.S. Department of Agriculture plant hardiness zones 9 through 11 and can even survive in desert climates with supplemental watering. Desert-grown hibiscus is trimmed using the same process used to trim hibiscus in tropical and temperate climates.

Pruning shears
Loppers or pruning saw
Garden hose or watering can

Instructions

- 1
  Prune the hibiscus with sharp, sterile pruning tools. Use pruning shears to remove branches up to 1/2 inch thick. Opt for loppers or a pruning saw when removing branches larger than 1/2 inch in diameter.
- 2
  Trim the hibiscus in the early morning, or on an overcast day, to minimize the stress the shrub experiences during pruning.
- 3
  Examine the shrub to identify any diseased, damaged or dead branches and foliage. Remove problem branches and foliage from the hibiscus to maintain its health and appearance.
- 4
  Trim one-third off of the length of each branch to encourage vigorous new growth. Cut each branch back to a healthy leaf node.
- 5
  Water the hibiscus generously after pruning. Provide up to 1 inch of water to evenly moisten the soil.

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