Hosta longissima var. longifolia
aka Hosoba Mizu Gibōshi


This variety of the species from Japan is noted for growing in moist, swampy regions which was first identified by Dr. Fumio Maekawa around 1940.

It is a miniature size hosta only growing about 4 inches high with a spread of around 15 inches. The medium green leaves are very narrowly elliptic, shiny on top and have smooth texture. Pale lavender flowers with 4 or 5 blossoms per scape bloom in September.

According to The Hostapedia by Mark Zilis (2009), "Its strap-like foliage appears much closer to that of a Liriope than a hosta...The flowers, too, set this plant apart from other hostas. It only produces 4-5 flowers per scape, making for one of the shortest hosta blooming seasons."

Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term hosoba as narrow leaf and the term mizu as water, 'Mizu Gibōshi' or H. longissima.

bullet H. 'Fiddlesticks'
bullet H. 'Hosoba Mizu'
bullet H. 'Hosoba Mizu Gibōshi'
bullet H. 'Nagaba Mizu'
From both H. longissima var. brevifolia and H. longissima var. longifolia
  1. H. 'Asahi Comet'
  2. H. 'Asahi Star'
  3. H. 'Asahi Sunray'
  4. H. 'Dim Those Lights'
  5. H. 'Fukurin Hosoba Mizu'
  1. H. 'Hanazawa Fukurin Mizu'
  2. H. 'Kinakafu Nagaba Mizu'
  3. H. 'Manzo'
  4. H. 'Nakafu Nagaba Mizu'
  5. H. 'Shirofukurin Hosoba Mizu'


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