See Show Calender


■(TB) 'Riverboat Blues'

1991, Schreiner

'Riverboat Blues' (Schreiners, R. 1991). Seedling W 472-C. TB, 38" (97 cm). Late midseason bloom. Ruffled medium blue (RHS 96D); beards white. 'Memphis Blues' X seedling P 81-A: ((seedling G 11-1, 'St. Louis Blues' sibling x (seedling G 1517-B x 'Neptune's Pool')) x seedling L 93-5: (('Navy Strut' x seedling E 1313-A) x ('Fuji's Mantle' x 'Matinata'))). Schreiner 1991. Honorable Mention 1993, Award of Merit 1995 .

See below:
Photo by NolaPhoto by Exline Iris GardenRiverboat Blues flPhoto by C T Iris PatchPhoto by Glanavon Iris Patch-New ZealandPhoto by Barry Blyth-AustraliaPhoto by Blue J IrisPhoto by Christine Cosi-Iris en Perigord- FrancePhoto by Blue J IrisPhoto scanned from the 1994 Schreiners catalogue by Terry LaurinPhoto by Christine Cosi-Iris en Perigord- FrancePhoto by HildenbrandtPhoto by South Jersey IrisPhoto by Yarrabee Garden   Iris-AustraliaPhoto by Exline Iris Garden


Awaiting original catalog description.


Quick Summary of Cultural Directions

Hardiness Zones 4-8 for most varieties, Some cultivars tolerate colder, others tolerate warmer zones (please comment in comment box with your location if this cultivar grows well in zone 3, 4, 9, or 10.)
Exposure Prefers full sun for optimal performance, may still bloom in half-day shade
Water: Prefers well drained good garden soil, Tolerant of dry conditions in established plants, Intolerant of swampy conditions.
PH Prefers Neutral to basic solis 6.1 to 8.5, quite toleranr of more extreme conditions
Fertilizer Prefers rich conditions on relatively inorganic soils.

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Your Observations Are Valued. Please make note of bud count, branching, purple based foliage and bloom time, etc. Because these are affected by climate, note date, year and geographic location and write these and other comments in the comment box below.


-- KentPfeiffer - 2010-12-02
I Attachment Action Size Date Who Comment
Riverboat-BluesNN.jpgjpg Riverboat-BluesNN.jpg manage 30 K 10 Nov 2011 - 15:07 BetsyHiggins Photo by Nola's Iris Garden
RiverboatBlues01.JPGJPG RiverboatBlues01.JPG manage 68 K 01 Jun 2015 - 02:36 TerryLaurin Photo by Glanavon Iris Patch-New Zealand
RiverboatBlues01.jpgjpg RiverboatBlues01.jpg manage 73 K 04 Oct 2014 - 02:58 TerryLaurin Photo by C&T Iris Patch
RiverboatBlues02.JPGJPG RiverboatBlues02.JPG manage 79 K 09 Apr 2014 - 03:20 TerryLaurin Photo by Blue J Iris
RiverboatBlues03.JPGJPG RiverboatBlues03.JPG manage 71 K 09 Apr 2014 - 03:21 TerryLaurin Photo by Blue J Iris
RiverboatBlues4.jpgjpg RiverboatBlues4.jpg manage 32 K 12 Aug 2013 - 22:00 TerryLaurin Photo by Hildenbrandt's Iris Garden
RiverboatBlues5.jpgjpg RiverboatBlues5.jpg manage 46 K 29 Nov 2013 - 16:33 TerryLaurin Photo by South Jersey Iris
RiverboatBlues6.jpgjpg RiverboatBlues6.jpg manage 37 K 03 Feb 2014 - 22:45 TerryLaurin Photo by Yarrabee Garden & Iris-Australia
RiverboatBluesEI.jpgjpg RiverboatBluesEI.jpg manage 41 K 18 Dec 2012 - 20:41 BetsyHiggins Photo by Exline Iris Garden
Riverboat_Blues_fl.jpgjpg Riverboat_Blues_fl.jpg manage 40 K 19 Apr 2011 - 18:55 IrisP  
riverboat01.jpgjpg riverboat01.jpg manage 76 K 27 Jun 2015 - 21:00 TerryLaurin Photo by Exline Iris Garden
riverboatblues01.jpgjpg riverboatblues01.jpg manage 87 K 31 Oct 2015 - 13:54 TerryLaurin Photo by Barry Blyth-Australia
riverboatblues02.jpgjpg riverboatblues02.jpg manage 196 K 01 Dec 2017 - 15:56 TerryLaurin Photo by Christine Cosi-Iris en Perigord- France
riverboatblues09.JPGJPG riverboatblues09.JPG manage 298 K 07 Jan 2021 - 13:14 TerryLaurin Photo scanned from the 1994 Schreiners catalogue by Terry Laurin
riverboatblues1.jpgjpg riverboatblues1.jpg manage 198 K 08 Jan 2020 - 03:54 TerryLaurin Photo by Christine Cosi-Iris en Perigord- France
Topic revision: r27 - 12 Jul 2022, TerryLaurin
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