See

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■(TB) 'Royal Sterling'

2005, Keppel

'Royal Sterling' (Keith Keppel, R. 2004). Seedling# 98-115G. TB, 40" (102 cm), Late midseason bloom. Standards lavender white (M&P 41-AB-2) flushed orchid (41-F-6) toward base; style arms lavender white to light orchid; falls silvery white (41-A-1/2), slightly deeper (41-AB-3) toward edge; beards white lightly tipped bittersweet pink (9-A-8) in throat. 'Vienna Waltz' X 'Fogbound'. Keppel 2005. Honorable Mention 2007; Award of Merit 2009.

From the 2022 Rebloom Checklist: Rebloom reported in: CA. USDA Zones 9

See below:
Single bud of TB Royal Sterling. Photo taken by Holly Johnson at the Minnesota Landscape Arboretum, zone 4b, 6/01/2017.Please contact Brock Heilman for image use.Photo by Betty JacobsPhoto by Betty JacobsPhoto by Betty JacobsPhoto by Burgard Iris FarmPicture by Snowpeak Irisby Mid-America Garden Oregon USAROYAL STERLING (Keppel 2005)ROYAL STERLING (Keppel 2005) (3)ROYAL STERLING (Keppel 2005) (4)by Dejoux in my garden : sud-ouest FranceIriseraie de Gombault Photo by Joëlle Franjeulle Sologne FRANCEIriseraie de Gombault Photo by Joëlle Franjeulle Sologne FRANCEIriseraie de Gombault Photo by Joëlle Franjeulle Sologne FRANCEPhoto by Jeanette GrahamPhoto by Damon GardensPhoto by Jeanette GrahamPhoto by Blue J IrisPhoto by Jeanette GrahamPhoto by Igor Khorosh,UkrainePhoto by Damon GardensPhoto by Elladan McLeesterPhoto by Alla Chernoguz-UkrainePhoto by Judy Tapio-Jubilee GardensPhoto by LoktevPhoto by Evgeny Nazarov-UkrainePhoto by Andrea Karpinsky-Kelowna-British Columbia-CanadaPhoto by Andrea Karpinsky- Kelowna-British Columbia- CanadaPhoto by Hugh Stout of Stout Gardens at Dancingtree.Photo by SchreinerPhoto by Robin Shadlow- Iris Sisters FarmPhoto by Alla Chernoguz-UkrainePhoto by Alain Chapelle-Jardin dPhoto by Augusto Bianco-biancoiride-Gabiano-ItalyPhoto by Comanche Acres Iris GardensPhoto by Darius Gusas-LithuaniaPhoto by Darius Gusas-LithuaniaPhoto by Riley Probst-Fleur De Lis GardenPhoto by Christine Cosi-Iris en Perigord- FrancePhoto by Stoney Creek IrisPhoto by Holly Johnson-Taken at MN Landscape ArboretumPhoto by Superstition Iris GardensPhoto by Evgeny Nazarov-UkrainePhoto by Evgeny Nazarov-UkrainePhoto by Gintaras Kilmaitis-Irisu Pasaulis-Lithuaniataken at the AIS Portland National in 2006

References

From AIS Bulletin #336 January 2005 Introducing ROYAL STERLING ML 40". (Vienna Waltz X Fogbound). Ruffled and laced light lavender. Beards white, barely tipped pink. #98-115G. $45.00. Keith Keppel.
 

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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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.

 

-- BobPries - 2009-12-11
  • TB 'Royal Sterling' bloomed at the Minnesota Landscape Arboretum, zone 4b, approximately June 2-13, in 2017. -- HollyJohnson2017 -04-01 - 30 Sep 2017
I Attachment Action Size Date Who Comment
20170601_140521TB Royal Sterling (2RS).jpgjpg 20170601_140521TB Royal Sterling (2RS).jpg manage 135 K 30 Sep 2017 - 13:26 HollyJohnson2017-04-01 Single bud of TB Royal Sterling. Photo taken by Holly Johnson at the Minnesota Landscape Arboretum, zone 4b, 6/01/2017.
BHP_7258-X2_royal_sterling.jpgjpg BHP_7258-X2_royal_sterling.jpg manage 89 K 20 Feb 2016 - 23:09 BrockHeilman Please contact Brock Heilman for image use.
DSCN2050.JPGJPG DSCN2050.JPG manage 67 K 14 Feb 2011 - 17:20 Main.bjacobs Photo by Betty Jacobs
DSCN6209.JPGJPG DSCN6209.JPG manage 70 K 02 May 2011 - 06:22 Main.bjacobs Photo by Betty Jacobs
DSCN6214.JPGJPG DSCN6214.JPG manage 70 K 02 May 2011 - 06:21 Main.bjacobs Photo by Betty Jacobs
ROYALSTERLING04.jpgjpg ROYALSTERLING04.jpg manage 53 K 23 Apr 2014 - 19:09 TerryLaurin Photo by Igor Khorosh,Ukraine
ROYALSTERLING15.JPGJPG ROYALSTERLING15.JPG manage 43 K 22 Nov 2013 - 19:57 TerryLaurin Photo by Augusto Bianco-biancoiride-Gabiano-Italy
ROYAL_STERLING_(Keppel_2005).JPGJPG ROYAL_STERLING_(Keppel_2005).JPG manage 381 K 15 Aug 2016 - 20:18 PerryDyer  
ROYAL_STERLING_(Keppel_2005)_(3).JPGJPG ROYAL_STERLING_(Keppel_2005)_(3).JPG manage 779 K 15 Aug 2016 - 20:18 PerryDyer  
ROYAL_STERLING_(Keppel_2005)_(4).JPGJPG ROYAL_STERLING_(Keppel_2005)_(4).JPG manage 836 K 15 Aug 2016 - 20:18 PerryDyer  
RoyalSterling-2015-1.JPGJPG RoyalSterling-2015-1.JPG manage 42 K 06 Dec 2015 - 16:18 JoelleFRANJEULLE Iriseraie de Gombault Photo by Joëlle Franjeulle Sologne FRANCE
RoyalSterling-2015-8.JPGJPG RoyalSterling-2015-8.JPG manage 40 K 06 Dec 2015 - 16:18 JoelleFRANJEULLE Iriseraie de Gombault Photo by Joëlle Franjeulle Sologne FRANCE
RoyalSterling-2015-9.JPGJPG RoyalSterling-2015-9.JPG manage 41 K 06 Dec 2015 - 16:18 JoelleFRANJEULLE Iriseraie de Gombault Photo by Joëlle Franjeulle Sologne FRANCE
RoyalSterling01.jpgjpg RoyalSterling01.jpg manage 262 K 11 Apr 2017 - 02:53 TerryLaurin Photo by Damon Gardens
RoyalSterling03.JPGJPG RoyalSterling03.JPG manage 78 K 10 Apr 2014 - 12:39 TerryLaurin Photo by Blue J Iris
RoyalSterling05.jpgjpg RoyalSterling05.jpg manage 51 K 28 Mar 2015 - 16:56 TerryLaurin Photo by Elladan McLeester
RoyalSterling_by_JanLauritzen.jpgjpg RoyalSterling_by_JanLauritzen.jpg manage 62 K 16 Feb 2012 - 21:12 Main.janlauritzen taken at the AIS Portland National in 2006
Royal_Sterling.jpgjpg Royal_Sterling.jpg manage 74 K 08 Feb 2010 - 07:35 Main.Laymont+ by Mid-America Garden Oregon USA
Royal_Sterling_Keppel_2005_N3_HM07.JPGJPG Royal_Sterling_Keppel_2005_N3_HM07.JPG manage 57 K 22 Dec 2009 - 08:38 Main.Laymont+ by Dejoux in my garden : sud-ouest France
royal01.jpgjpg royal01.jpg manage 69 K 10 May 2015 - 19:00 TerryLaurin Photo by Burgard Iris Farm
royal20sterling09SPI.jpgjpg royal20sterling09SPI.jpg manage 50 K 06 Apr 2010 - 15:08 Main.mshadow Picture by Snowpeak Iris
royalsterling01.JPGJPG royalsterling01.JPG manage 42 K 06 Sep 2014 - 15:19 TerryLaurin Photo by Jeanette Graham
royalsterling02.JPGJPG royalsterling02.JPG manage 45 K 06 Sep 2014 - 15:21 TerryLaurin Photo by Jeanette Graham
royalsterling03.jpgjpg royalsterling03.jpg manage 43 K 06 Sep 2014 - 15:28 TerryLaurin Photo by Jeanette Graham
royalsterling04.jpgjpg royalsterling04.jpg manage 49 K 22 Jul 2014 - 19:06 TerryLaurin Photo by Damon Gardens
royalsterling05.jpgjpg royalsterling05.jpg manage 53 K 17 Jun 2015 - 20:19 TerryLaurin Photo by Alla Chernoguz-Ukraine
royalsterling06.jpgjpg royalsterling06.jpg manage 132 K 20 Mar 2017 - 14:41 TerryLaurin Photo by Judy Tapio-Jubilee Gardens
royalsterling07.jpgjpg royalsterling07.jpg manage 32 K 29 Jul 2017 - 03:09 TerryLaurin Photo by Loktev's Iris Garden-Russia
royalsterling08.jpgjpg royalsterling08.jpg manage 239 K 18 Dec 2017 - 16:19 TerryLaurin Photo by Evgeny Nazarov-Ukraine
royalsterling09.jpgjpg royalsterling09.jpg manage 138 K 27 May 2020 - 11:41 TerryLaurin Photo by Andrea Karpinsky-Kelowna-British Columbia-Canada
royalsterling091.jpgjpg royalsterling091.jpg manage 174 K 26 May 2021 - 22:50 TerryLaurin Photo by Andrea Karpinsky- Kelowna-British Columbia- Canada
royalsterling1.jpegjpeg royalsterling1.jpeg manage 78 K 26 Dec 2015 - 23:04 TerryLaurin Photo by Hugh Stout of Stout Gardens at Dancingtree.
royalsterling10.jpgjpg royalsterling10.jpg manage 68 K 15 Jul 2013 - 01:45 TerryLaurin Photo by Schreiner's Iris Gardens
royalsterling11.jpgjpg royalsterling11.jpg manage 28 K 23 Jul 2013 - 01:36 TerryLaurin Photo by Robin Shadlow- Iris Sisters Farm
royalsterling13.jpgjpg royalsterling13.jpg manage 51 K 13 Oct 2013 - 18:59 TerryLaurin Photo by Alla Chernoguz-Ukraine
royalsterling14.jpgjpg royalsterling14.jpg manage 52 K 13 Nov 2013 - 19:46 TerryLaurin Photo by Alain Chapelle-Jardin d'Iris de Bubry-France
royalsterling15.jpgjpg royalsterling15.jpg manage 182 K 30 Apr 2019 - 22:47 TerryLaurin Photo by Comanche Acres Iris Gardens
royalsterling16.jpgjpg royalsterling16.jpg manage 46 K 24 Feb 2014 - 20:19 TerryLaurin Photo by Darius Gusas-Lithuania
royalsterling17.jpgjpg royalsterling17.jpg manage 48 K 24 Feb 2014 - 20:20 TerryLaurin Photo by Darius Gusas-Lithuania
royalsterling2.jpgjpg royalsterling2.jpg manage 107 K 12 Jul 2019 - 22:12 TerryLaurin Photo by Riley Probst-Fleur De Lis Garden
royalsterling3.jpgjpg royalsterling3.jpg manage 250 K 12 Jul 2022 - 20:49 TerryLaurin Photo by Christine Cosi-Iris en Perigord- France
royalsterling4.jpgjpg royalsterling4.jpg manage 93 K 18 Jan 2017 - 16:07 TerryLaurin Photo by Stoney Creek Iris
royalsterling5.jpgjpg royalsterling5.jpg manage 149 K 20 Jun 2017 - 18:49 TerryLaurin Photo by Holly Johnson-Taken at MN Landscape Arboretum
royalsterling6.jpgjpg royalsterling6.jpg manage 55 K 14 May 2013 - 16:22 TerryLaurin Photo by Superstition Iris Gardens
royalsterling7.jpgjpg royalsterling7.jpg manage 80 K 03 Nov 2017 - 02:24 TerryLaurin Photo by Evgeny Nazarov-Ukraine
royalsterling8.jpgjpg royalsterling8.jpg manage 87 K 03 Nov 2017 - 02:26 TerryLaurin Photo by Evgeny Nazarov-Ukraine
royalsterling9.jpgjpg royalsterling9.jpg manage 77 K 17 Nov 2017 - 23:51 TerryLaurin Photo by Gintaras Kilmaitis-Irisu Pasaulis-Lithuania
Topic revision: r63 - 05 Nov 2024, DelaneHLangton
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