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MED: Ruby Eruption

  • Subject: MED: Ruby Eruption
  • From: "Jeff and Carolyn Walters" <jcwalters@bridgernet.com>
  • Date: Sun, 26 Aug 2001 08:45:33 -0600

> From: Debi Schmitt <otisbird@fix.net>
> Now what is an SDB iris?  It doesn't seem to be in our list of tags?


SDB (Standard Dwarf Bearded) is one of the four classes of bearded
irises,along with MTB (Miniature Tall Bearded), IB (Intermediate Bearded),
and BB (Border Bearded), that are grouped together as Medians (because they
are intermediate between the true dwarf irises and the tall bearded
irises). SDBs were originally created around 1950 by crossing dwarf bearded
species, particularly I. pumila, with Tall Bearded hybrids. They are
currently defined by the AIS by their height in bloom (20 to 40 cm = 8 to
16 in), the size of the flowers (5 to 10 cm wide = 2 up to 4 in), and their
bloom season (between Miniature Dwarf Bearded (MDB) and Intermediate
Bearded). Dwarf bearded irises (MDB and SDB) generally perform best where
they receive a definite period of winter chilling. 

The protocol for Iris-talk tags indicates that MED is the appropriate tag
to use for items dealing with all Median and Dwarf bearded irises.

Jeff Walters in northern Utah  (USDA Zone 4/5, Sunset Zone 2, AHS Zone 7)

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