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■(TB) 'Pinnacle'

1949, Stevens

'Pinnacle' (Jean Stevens, R. 1945) TB. 35" (89 cm). Midseason bloom. ('Magnolia') x (('Gudrun') x ('Lady Morvyth' x 'Rangatira')). Schreiner's 1949. Honorable Mention 1949, Award of Merit 1951.

See below:

Pinnacle - Jean Stevens 1945 1.jpgPinnacle - Jean Stevens 1945 3.jpgPinnacle01.jpgpinnacle01.jpgpinnacle02.jpgPinnacle02.JPGpinnacle03.jpgpinnacle04.jpgpinnacle05.JPGpinnacle06.JPGpinnacle07.JPGpinnacle08.JPGpinnacle09.JPGpinnacle1.jpgPinnacle1 HIPS.jpgpinnacle2-07.jpgpinnacle2.jpgPinnacle2.JPGpinnacle3.jpgpinnacle4.jpgpinnacle5-07.jpgPinnacle5.JPGPinnacle50.JPGpinnacle6.JPGpinnacle7.jpgPinnacle7.JPGpinnacle8.jpgpinnacle9.JPGPinnacle9.jpgPINNACLE (Stevens 1945).JPGPinnacle .jpgpinnacle fl.jpgPinnacleIG.jpg
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References:

From Schreiner's Iris catalog, 1949: PINNACLE (Stevens 1949) M. 38". It takes an outstanding Iris to carry this significant name but this is an outstanding Iris. Developed in New Zealand, it was instantly apparent when the first flower unfurled that here was one of those significant "breaks" in hybridizing, the creation of something distinctly different. So impressed were we with this Iris that we offer it this year to the Iris public as an American introduction. Pinnacle is pre -eminent both in beauty of coloration and perfection of form. This distinguished Iris is unique because of its singular color combination-absolutely clear white standards and smooth primrose yeJlow falls. The blooms are wax like and beautifully molded. The good habits, branching, heavy substance and colors of daffodil freshness combine to give us a lovely, lovely Iris. We greatly regret that we were unable to get a good reproduction of this Iris due to some imperfection in the color film. In our years of experience with Iris we have never seen an Iris like this. In fact so highly do we regard it that we feel it merits placement in the 100 Best Iris. We consider it one of the finest Iris it has been our privilege to offer. $20.00.
From the Stevens Bros. catalog for 1952-53: Many years ago we set out to raise an iris with standards of purest white and falls of gold, being moved thereto by our pleasure in this fresh and lovely combination. Little by little as the years went by we have seen these colours developing amongst our seedings until in November of 1944, there unfolded this flower, which by reason of its snow white standards rising from the primrose falls we have named 'Pinnacle'. It is not the white and gold of our original ambition - which we have called 'Summit' - and is a very different combination. 'Pinnacle' is large and beautifully formed and with excellent substance, and the plant has ideal growth habit. fresh, cool, flawless in its purity of colouring and absolutely unique, this iris has won the awards of the American Iris Society of the Honorable Mention in 1949, and then the Award of Merit in 1951, with a record number of the judges' votes, and has become world famous. I was most interested in seeing Pinnacle here [Oregon], and there were long rows of it growing well. I liked it but at the same time did not feel that it was finished or complete of its type. The falls are a pale primrose yellow so that there is not too much contrast between them and the standards, and the haft is somewhat rough with white lines on it. On the other hand, the form is excellent and it really is a white and yellow bicolor. So many irises approaching this type have cream standards with a splash of yellow color at the haft fading out to white or cream at the edge of the falls. Pinnacle has pure white standards and the falls, while light in color, are a smooth yellow to the edge". [Jesse E. Wills (Tenn.), “Iris Impressions 1949,” The Bulletin of the American Iris Society_, No. 115 (October 1949): 19-20.]
From Phil Edinger (2023): Keith Keppel received a complete record of Jean Stevens' crosses from Schreiners, which reveal that the '49CL omitted one generation from Pinnacle which, critically, omitted 'Lagos'! The full Pinnacle parentage is: 'Magnolia' X seedling 1/P78, (a sibling to 'Southern Alps' which is (('Lagos') x (('Gudrun') x ('Lady Morvyth' x 'Rangatira'))).
PINNACLE (Stevens) "This is undoubtedly the first good iris of new color pattern, but it gives one the impression of approach rather than completion. It is more pleasing at a little distance than it is close up. While there could be more contrast between the white standards and the pale yellow falls, this is not its main fault. There are rather heavy white venations on the haft which detract considerably from it upon close inspection. Form and substance are good and it has a nice garden effect." [Jesse E. Wills (Tennessee), “Varietal Comment, Irises Seen in Nashville” The Bulletin of the American Iris Society, No. 123, (October 1951): 72.]

Quick Summary of Cultural Directions

Exposure Prefers full sun for optimal performance, may still bloom in half-day shade
Fertilizer Prefers rich conditions on relatively inorganic soils.
FURTHER CULTURAL INFORMATION Here
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.)
PH Prefers Neutral to basic solis 6.1 to 8.5, quite toleranr of more extreme conditions
Water: Prefers well drained good garden soil, Tolerant of dry conditions in established plants, Intolerant of swampy conditions.


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-- MikeUnser - 2009-11-25
I Attachment Action Size Date Who Comment
PINNACLE_(Stevens_1945).JPGJPG PINNACLE_(Stevens_1945).JPG manage 679 K 15 Aug 2016 - 18:50 PerryDyer  
Pinnacle - Jean Stevens 1945 1.jpgjpg Pinnacle - Jean Stevens 1945 1.jpg manage 102 K 14 Oct 2017 - 16:33 Main.Pamina photo : S. Meiffren - in my garden ; south of France
Pinnacle - Jean Stevens 1945 3.jpgjpg Pinnacle - Jean Stevens 1945 3.jpg manage 114 K 14 Oct 2017 - 16:34 Main.Pamina photo : S. Meiffren - in my garden ; south of France
Pinnacle01.jpgjpg Pinnacle01.jpg manage 40 K 26 Sep 2014 - 03:10 Main.TLaurin Photo by C&T Iris Patch
Pinnacle02.JPGJPG Pinnacle02.JPG manage 56 K 04 Dec 2014 - 01:20 Main.TLaurin Photo by Mary Hess-Bluebird Haven Iris Garden
Pinnacle1_HIPS.jpgjpg Pinnacle1_HIPS.jpg manage 15 K 26 Dec 2010 - 21:47 UnknownUser Courtesy of Mike Lowe from original HIPS website
Pinnacle2.JPGJPG Pinnacle2.JPG manage 66 K 28 Aug 2021 - 11:00 Main.TLaurin Photo by Mary Hess-Bluebird Haven Iris Garden
Pinnacle5.JPGJPG Pinnacle5.JPG manage 122 K 20 May 2023 - 12:03 Main.TLaurin Photo by Jeff Bennett-Dry Creek Garden
Pinnacle50.JPGJPG Pinnacle50.JPG manage 154 K 20 May 2023 - 12:03 Main.TLaurin Photo by Jeff Bennett-Dry Creek Garden
Pinnacle7.JPGJPG Pinnacle7.JPG manage 158 K 09 Feb 2024 - 20:15 Main.TLaurin Photo by Seagate Nurseries-Long Sutton Bypass-Long Sutton-United Kingdom
Pinnacle9.jpgjpg Pinnacle9.jpg manage 164 K 28 Jan 2021 - 02:17 Main.TLaurin Photo by Lori Rhodes- Crafton Hills Iris Farm
PinnacleIG.jpgjpg PinnacleIG.jpg manage 24 K 30 Nov 2011 - 00:41 Main.Betsy881 Photo by Irisgal
Pinnacle_.jpgjpg Pinnacle_.jpg manage 71 K 18 Jan 2010 - 03:25 GaryKeller G Keller Zone 6 May 9
pinnacle01.jpgjpg pinnacle01.jpg manage 41 K 07 Jun 2017 - 20:36 Main.TLaurin Photo by Sandy Gessner Eggertson-Merlebleu Iris Garden-Manitoba,Canada
pinnacle02.jpgjpg pinnacle02.jpg manage 70 K 14 Jun 2014 - 21:02 Main.TLaurin Photo scanned from the Rosalie Figge slide collection
pinnacle03.jpgjpg pinnacle03.jpg manage 40 K 28 Jul 2014 - 02:44 Main.TLaurin Photo by Richmond Irises-New Zealand
pinnacle04.jpgjpg pinnacle04.jpg manage 120 K 14 Apr 2018 - 03:18 Main.TLaurin Photo by Ross Eagles-Diversity Acres
pinnacle05.JPGJPG pinnacle05.JPG manage 542 K 19 Jul 2018 - 03:07 Main.TLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
pinnacle06.JPGJPG pinnacle06.JPG manage 575 K 19 Jul 2018 - 03:09 Main.TLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
pinnacle07.JPGJPG pinnacle07.JPG manage 498 K 19 Jul 2018 - 03:10 Main.TLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
pinnacle08.JPGJPG pinnacle08.JPG manage 556 K 19 Jul 2018 - 03:12 Main.TLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
pinnacle09.JPGJPG pinnacle09.JPG manage 577 K 19 Jul 2018 - 03:14 Main.TLaurin Photo by Nancy McDonald-The Pickle Barrel Collection.
pinnacle1.jpgjpg pinnacle1.jpg manage 41 K 25 Nov 2009 - 01:03 Main.mikeu Pinnacle by Mike Unser
pinnacle2-07.jpgjpg pinnacle2-07.jpg manage 26 K 25 Nov 2009 - 01:02 Main.mikeu Pinnacle by Mike Unser
pinnacle2.jpgjpg pinnacle2.jpg manage 251 K 21 Aug 2016 - 20:06 Main.TLaurin Photo scanned from the Bee Warburton slide collection
pinnacle3.jpgjpg pinnacle3.jpg manage 101 K 05 Jul 2018 - 19:03 Main.TLaurin Photo by Delane Langton-Eagle Ridge Iris Gardens
pinnacle4.jpgjpg pinnacle4.jpg manage 111 K 11 Jun 2019 - 23:17 Main.TLaurin Photo by Delane Langton-Eagle Ridge Iris Gardens
pinnacle5-07.jpgjpg pinnacle5-07.jpg manage 39 K 25 Nov 2009 - 01:01 Main.mikeu Pinnacle by Mike Unser
pinnacle6.JPGJPG pinnacle6.JPG manage 268 K 20 Feb 2019 - 16:25 Main.TLaurin Photo by Don McQueen-taken at Royal Botanical Garden-Hamilton-Ontario-Canada
pinnacle7.jpgjpg pinnacle7.jpg manage 129 K 18 Jun 2019 - 03:16 Main.TLaurin Photo by Sandy Gessner Eggertson-Merlebleu Iris Garden-Manitoba,Canada
pinnacle8.jpgjpg pinnacle8.jpg manage 145 K 26 Dec 2022 - 03:02 Main.TLaurin Photo by Holly Johnson
pinnacle9.JPGJPG pinnacle9.JPG manage 388 K 20 Jan 2021 - 03:49 Main.TLaurin Photo scanned from the 1965 Cooley's Iris Gardens catalogue by Terry Laurin
pinnacle_fl.jpgjpg pinnacle_fl.jpg manage 47 K 19 Feb 2011 - 06:35 IrisP  
Topic revision: r52 - 09 Feb 2024, TLaurin
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