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■(SIB) 'White Swirl'

1957, Cassebeer

'White Swirl' (Fred Cassebeer, R. 1957). SIB, 40" (102 cm). Late bloom. Color Class W1, Pure white self. Unknown. Cassebeer 1957. Honorable Mention 1957; Morgan Award 1962. AIS Board of Directors Award 1987.

See below:
SIB White Swirl 2. Photo taken by Holly JohnsonSIB White Swirl. Photo taken by Holly JohnsonPhoto by Christine Skelmersdale-Broadleigh Gardens-United KingdomPhoto by Seagate Irises-United KingdomPhoto by Homestead Farms NurseryPhoto scanned from the Rosalie Figge slide collectionPhoto scanned from the Rosalie Figge slide collectionPhoto by Don McQueen,London, Ont. Canada Zone5.Photo by SchreinerPhoto by Pat CanterPhoto by Pat CanterPhoto by Pat CanterPhoto by Don McQueen-London,Ont.-Canada Zone 5Photo by Kelways-United KingdomPhoto by Tranquil Lake NurseryPhoto by Holly Johnson-Taken at MN Landscape ArboretumPhoto by Will Plotner-Wildwood GardensPhoto by IriswarehousePhoto by Eleanor Hutchison-Manitoba-CanadaPhoto by Marilyn CampbellPhoto by Verna Laurin-Willowdale-ON-CanadaPhoto by Verna Laurin-Willowdale-ON-CanadaPhoto by Verna Laurin-Willowdale-ON-CanadaPhoto by Marilyn Campbell

References:

From AIS Bulletin #165, April 1962. WHITE SWIRL (1957) each $4.00. A large, vigorous milk-white with a touch of yellow at the haft. Distinctive, broad, ovate standards and horizontally flaring falls which are wide-spreading and bouffant in effect. Charmingly different from all others. Extremely floriferous. Height, 38". H. M. '57. Cassebeer.
 
 

Cultivation

Quick Summary of Cultural Directions

FURTHER CULTURAL INFORMATION Sort
Hardiness Zones 3-8 for most varieties, Some Siberian cultivars tolerate colder, others tolerate warmer zones (please comment in comment box with your location if this cultivar grows well in zone 3, 9, or 10.)
Exposure Prefers full sun for optimal performance, may still bloom in half-day shade
Water: Prefers well drained but moist good garden soil, More tolerant of dry conditions in established plants, Prefers moist conditions especially in Spring bloom season.
PH Average garden solis 6.1 to 7.5,
Fertilizer Prefers rich conditions on organic soils.

-- BobPries - 2011-03-07

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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.

 

-- LaurieFrazer - 2010-01-30
I Attachment Action Size Date Who Comment
20170603_115431SIB White Swirl (2RS).jpgjpg 20170603_115431SIB White Swirl (2RS).jpg manage 123 K 05 Oct 2017 - 22:34 HollyJohnson2017-04-01 SIB White Swirl 2. Photo taken by Holly Johnson
20170603_115440SIB White Swirl (2RS).jpgjpg 20170603_115440SIB White Swirl (2RS).jpg manage 119 K 05 Oct 2017 - 22:33 HollyJohnson2017-04-01 SIB White Swirl. Photo taken by Holly Johnson
IrisWhiteSwirl.JPGJPG IrisWhiteSwirl.JPG manage 229 K 05 Jan 2017 - 03:34 TerryLaurin Photo by Christine Skelmersdale-Broadleigh Gardens-United Kingdom
WHITESWIRLIMG_7680.JPGJPG WHITESWIRLIMG_7680.JPG manage 87 K 31 Jan 2012 - 16:57 Main.mshadow Photo by Marilyn Campbell
WhiteSwirl01.jpgjpg WhiteSwirl01.jpg manage 212 K 12 Jan 2017 - 04:18 TerryLaurin Photo by Homestead Farms Nursery
WhiteSwirl1.jpgjpg WhiteSwirl1.jpg manage 17 K 15 Jun 2016 - 20:25 TerryLaurin Photo by Tranquil Lake Nursery
WhiteSwirl5494.jpgjpg WhiteSwirl5494.jpg manage 41 K 26 Feb 2011 - 16:25 Main.mshadow Photo by Marilyn Campbell
whiteswirl01.jpgjpg whiteswirl01.jpg manage 18 K 11 Sep 2014 - 20:38 TerryLaurin Photo by Seagate Irises-United Kingdom
whiteswirl02.JPGJPG whiteswirl02.JPG manage 50 K 19 Jun 2014 - 23:44 TerryLaurin Photo scanned from the Rosalie Figge slide collection
whiteswirl03.JPGJPG whiteswirl03.JPG manage 100 K 19 Jun 2014 - 23:46 TerryLaurin Photo scanned from the Rosalie Figge slide collection
whiteswirl04.JPGJPG whiteswirl04.JPG manage 83 K 21 Jun 2014 - 13:53 TerryLaurin Photo by Don McQueen,London, Ont. Canada Zone5.
whiteswirl05.jpgjpg whiteswirl05.jpg manage 68 K 08 Jul 2013 - 22:29 TerryLaurin Photo by Schreiner's Iris Gardens
whiteswirl06.JPGJPG whiteswirl06.JPG manage 55 K 30 Sep 2015 - 01:39 TerryLaurin Photo by Pat Canter
whiteswirl07.JPGJPG whiteswirl07.JPG manage 49 K 04 Oct 2015 - 02:52 TerryLaurin Photo by Pat Canter
whiteswirl08.JPGJPG whiteswirl08.JPG manage 69 K 06 Oct 2015 - 02:51 TerryLaurin Photo by Pat Canter
whiteswirl09.JPGJPG whiteswirl09.JPG manage 505 K 08 Aug 2018 - 15:34 TerryLaurin Photo by Don McQueen-London,Ont.-Canada Zone 5
whiteswirl1.jpgjpg whiteswirl1.jpg manage 58 K 24 Feb 2016 - 03:59 TerryLaurin Photo by Kelways-United Kingdom
whiteswirl2.jpgjpg whiteswirl2.jpg manage 94 K 21 Jun 2017 - 20:55 TerryLaurin Photo by Holly Johnson-Taken at MN Landscape Arboretum
whiteswirl3.JPGJPG whiteswirl3.JPG manage 19 K 19 Mar 2013 - 23:08 TerryLaurin Photo by Will Plotner-Wildwood Gardens
whiteswirl4.jpgjpg whiteswirl4.jpg manage 398 K 03 Aug 2017 - 20:42 TerryLaurin Photo by Iriswarehouse
whiteswirl5.JPGJPG whiteswirl5.JPG manage 213 K 20 Jun 2023 - 02:16 TerryLaurin Photo by Eleanor Hutchison-Manitoba-Canada
whiteswirl9.JPGJPG whiteswirl9.JPG manage 220 K 24 Jun 2023 - 14:42 TerryLaurin Photo by Verna Laurin-Willowdale-ON-Canada
whiteswirl90.JPGJPG whiteswirl90.JPG manage 129 K 24 Jun 2023 - 14:42 TerryLaurin Photo by Verna Laurin-Willowdale-ON-Canada
whiteswirl91.JPGJPG whiteswirl91.JPG manage 152 K 24 Jun 2023 - 14:42 TerryLaurin Photo by Verna Laurin-Willowdale-ON-Canada
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Topic revision: r33 - 24 Jun 2023, TerryLaurin
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