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■(TB) 'Rheingauperle'

1924, Goos & Koenemann

'Rheingauperle' (Max Goos and August Koenemann, 1924). TB, Midseason bloom. Color Class-R7L.

NOTE: The photos previously listed for 'Rhiengauperle' were determined to be incorrect after experts from the HIstoric Iris Preservation Society (HIPS) were notified by renowned iris expert Milan Blažek. Milan brought to our attention the correct 'Rheingauperle' which has been growing at Pruhonice Botanical Garden in the Czech Republic for many years and was sourced directly from the German nursery of Countess von Zeppelin, where it had been continuously grown under name since before World War Two. The variety that had been distributed in the US as 'Rheingauperle' has been determined to be the French variety 'Graziella'. For more information please see Roots, Journal of the Historic Iris Preservation Society, Volume 34, Issue 1, Spring 2021, Page 17.

See below:

Photo by Milan Blazek-taken at Pruhonice Botanical Garden-Czech RepublicPhoto by Milan Blazek-taken at Pruhonice Botanical Garden-Czech RepublicPhoto by Milan Blazek-taken at Pruhonice Botanical Garden-Czech RepublicPhoto by Seagate Nurseries-Long Sutton Bypass-Long Sutton-United Kingdom
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References:

From Bonnewitz catalog, 1927: RHEINGAUPERLE (Goos and Koenemann). S. light lilac-pink; F. mauve-purple with red-purple markings on cream base. Orange beard. The most striking of the new G. and K. varieties. A sister Iris, Folkwang, is nearly as good as this variety but it is slightly deeper in color tone. Both are profuse bloomers and have a pleasing fragrance. Height, 33 to 36 inches. $2.00.
From Treholme Gardens catalog, 1932: S. white shaded delicate rose pink; F. slightly darker; light yellow beard; low well branched stalks. Fragrant. 36 in.
 
 

Culture

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.
FURTHER CULTURAL INFORMATION Here

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-- BobPries - 2011-03-07
I Attachment Action Size Date Who Comment
rheingauperle10.JPGJPG rheingauperle10.JPG manage 159 K 12 Dec 2021 - 14:17 TerryLaurin Photo by Milan Blazek-taken at Pruhonice Botanical Garden-Czech Republic
rheingauperle11.JPGJPG rheingauperle11.JPG manage 152 K 12 Dec 2021 - 14:17 TerryLaurin Photo by Milan Blazek-taken at Pruhonice Botanical Garden-Czech Republic
rheingauperle12.JPGJPG rheingauperle12.JPG manage 291 K 12 Dec 2021 - 14:17 TerryLaurin Photo by Milan Blazek-taken at Pruhonice Botanical Garden-Czech Republic
rheingauperle5.JPGJPG rheingauperle5.JPG manage 187 K 09 Feb 2024 - 21:26 TerryLaurin Photo by Seagate Nurseries-Long Sutton Bypass-Long Sutton-United Kingdom
Topic revision: r24 - 09 Feb 2024, TerryLaurin
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