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Justicia Genus

Shrimp plant

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General Needs

  • LightFull sun
  • HardinessTender (min 11°C)
  • SoilWell drained, Fertile
  • WaterSemi-moist or Moist

Description

Justicia genus (Shrimp plant). These are shrubs and woody perennials. They are widely grown in gardens in most warm areas, as well as in greenhouses in cooler climates. The leaves are simple and grow in opposite pairs. They will produce tubular flowers in shades of cream, yellow, pink, orange or red; they are mostly held in upright terminal spikes or clusters. They are frost tender, minimum 10-15C and will require full light or partial shade in fertile, well drained soil.

Characteristics

Perennials, Evergreens, Shrubs

Other common names

Water willow

Origin

Temperate N. America

Interest and use

Grown for their flowers.

Cultivation

Some species need regular pruning. Tip prune young plants to promote bushiness.

Propagation

Propagation is by softwood or greenwood cuttings in the spring or early summer.

Pests, diseases or disorders

Whitefly and red spider mites may cause problems under glass.

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