How to Prune Nemesia

Written by kelli peacock dunn
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How to Prune Nemesia
Regular pruning leads to more colourful Nemesia blooms. (Jupiterimages/ Images)

With roots in South Africa, Nemesia (Nemesia strumosa) boasts more than 50 different species. This annual is a flash-in-the-pan type of flower, blooming fast in late spring and summer months, but with a short appearance. Once that first bloom of the season has disappeared, pruning can encourage a second round of colourful flowers. Reaching up to 2 feet in height and 1 foot across, aggressive pruning helps Nemesia thrive.

Skill level:
Moderately Easy

Things you need

  • Hand pruner

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  1. 1

    Pinch tips back when new growth appears. Use your fingers and pinch tips to a spot slightly higher than the top leaf on the Nemesia. Pinch before the development of flower buds. This method will lead to more new shoots.

  2. 2

    Deadhead to promote more blooming. Remove wilted flowers immediately, using a hand pruner or your fingers. Deadheading will prevent consumption of nutrients that could be utilised in the development of other blooms.

  3. 3

    Cut aggressively after the first blooming. Make clean cuts with a sharp hand pruner. Shape Nemesia as desired, cutting back to the lower leaves and eliminating all dead blossoms.

Tips and warnings

  • Although Nemesia can stand harsh pruning, the stems are fragile. Be careful when handling to avoid damaging stems you do not wish to remove.
  • Use only sharp pruning tools and disinfect between uses.

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