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HIBISCUS syriacus ULTRAMARINE® 'Minultra'
Rose of Sharon


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:: Malvaceae :: HIBISCUS :: syriacus :: ULTRAMARINE® 'Minultra'
  • Type of products available: X/2/0 BR
  • Protection : COV 28170 - INPI 5767165

Main asset

Beautiful open flowers, dark purplish blue.


Prune every year in March half of the previous year shoots, to promote the emergence of vigorous branches.

The most vigorous of the simple blues. Large simple flowers Ø 9 cm, crimson blue with purple macule, later than 'Marina'

  • Uses: specimen, shrub bed

Global caracteristics:

  • Type of foliage: deciduous
  • Habit: trained
  • Height: 2 m x 1.50 m (6 ft x 5 ft)
  • Growth: fast
  • Flowering period: june to september

Shape and colours:

  • Foliage shape: cordate with lobed margin
  • Foliage colour: dark green
  • Foliage colour in autumn: yellow
  • Flowers shape: simple
  • Flowers colour: blue


  • Soil type: all
  • Exposure: sun
  • Hardiness: - 25 °C (-13 °F - USDA zone 5b)