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■(SIB) 'Fourfold White'

1970, McEwen

'Fourfold White' (Currier McEwen, R. 1969). Seedling T 66/79A. SIB, 36" (91 cm), Midseason to late bloom. Color Class-W1, White self, yellow haft (138). Seedling T1 61/Cas 4 (4) ('White Swirl' x unknown) X seedling T1 61/Cas 22 (2) ('Snowy Egret' x unknown). Second generation tetraploid. McEwen 1970. Honorable Mention 1972.

See below:
Photo by Tranquil Lake NurseryfourfoldwhitePhoto by Seagate Irises-United KingdomPhoto by Les Jardin du Chateau Vullierens-SwitzerlandPhoto by Don McQueen,London, Ont. Canada Zone5.Photo by Gintaras Kilmaitis-Irisu Pasaulis-LithuaniaPhoto by Gintaras Kilmaitis-Irisu Pasaulis-LithuaniaPhoto by Don McQueen-London,Ont.-Canada Zone 5Photo by Fieldstone GardensPhoto by Eleanor Hutchison-Manitoba-CanadaPhoto by Verna Laurin-Willowdale-ON-CanadaDon McQueen photo, London, Ont, Canada Z5


From AIS Bulletin #198 July 1970 Introducing FOURFOLD WHITE. 36". EM to L. 6" in diameter. All segments are pure white save for a bright yellow blaze with no visible haft striations. The wax-like falls flare horizontally. Excellent foliage. Fertile both ways. Derived from induced seedlings involving White Swirl and Snowy Egret. Currier MEwen.


Quick Summary of Cultural Directions

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.

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Interested in Siberian iris? Please visit the: The Society for Siberian Irises website.

To Report errors do not use comment box but contact the Iris Encyclopedia Photo Manager or Iris Encyclopedia Manager Comment box is reserved for added information about the topic.

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 - 2010-01-27
I Attachment Action Size Date Who Comment
FourfoldWhite3.jpgjpg FourfoldWhite3.jpg manage 16 K 28 Jul 2013 - 15:32 TerryLaurin Photo by Fieldstone Gardens
Fourfold_White1.JPGJPG Fourfold_White1.JPG manage 31 K 15 Jun 2016 - 18:29 TerryLaurin Photo by Tranquil Lake Nursery
SIB-Fourfold-White.jpgjpg SIB-Fourfold-White.jpg manage 56 K 22 Oct 2010 - 03:06 EleanorHutchison Don McQueen photo, London, Ont, Canada Z5
fourfoldwhite.jpgjpg fourfoldwhite.jpg manage 51 K 23 Jan 2011 - 15:54 IrisP  
fourfoldwhite01.jpgjpg fourfoldwhite01.jpg manage 19 K 11 Sep 2014 - 19:59 TerryLaurin Photo by Seagate Irises-United Kingdom
fourfoldwhite02.jpgjpg fourfoldwhite02.jpg manage 440 K 10 Aug 2017 - 19:25 TerryLaurin Photo by Les Jardin du Chateau Vullierens-Switzerland
fourfoldwhite03.JPGJPG fourfoldwhite03.JPG manage 45 K 21 Apr 2014 - 20:11 TerryLaurin Photo by Don McQueen,London, Ont. Canada Zone5.
fourfoldwhite04.jpgjpg fourfoldwhite04.jpg manage 48 K 09 Nov 2017 - 18:35 TerryLaurin Photo by Gintaras Kilmaitis-Irisu Pasaulis-Lithuania
fourfoldwhite040.jpgjpg fourfoldwhite040.jpg manage 80 K 27 Apr 2022 - 18:42 TerryLaurin Photo by Gintaras Kilmaitis-Irisu Pasaulis-Lithuania
fourfoldwhite05.JPGJPG fourfoldwhite05.JPG manage 121 K 24 Mar 2019 - 18:55 TerryLaurin Photo by Don McQueen-London,Ont.-Canada Zone 5
fourfoldwhite5.JPGJPG fourfoldwhite5.JPG manage 231 K 20 Jun 2023 - 01:55 TerryLaurin Photo by Eleanor Hutchison-Manitoba-Canada
fourfoldwhite9.JPGJPG fourfoldwhite9.JPG manage 120 K 24 Jun 2023 - 02:04 TerryLaurin Photo by Verna Laurin-Willowdale-ON-Canada
Topic revision: r26 - 17 Nov 2023, DougChyz
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