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From Cooley's Gardens catalog for 1937: "Yes, it's here ~ a truly gigantic flower of bright, clear, rich yellow. Tall stems, not a trace of Dykes blood in its parentage, hardiness beyond question. Treasure Island is nearest to ideal of any of the new yellows we have seen, because there is neither the tell-tale purple flecking which eventually crops out in those of the Dykes strain, nor the ofttimes tender constitution accompanying them. Still other fine new golden hued introductions possess a suffusion of olive on the haft, but not so this one. The illustration on the opposite page is an exact reproduction in every detail except size, which is reduced to fit the page." |
From Tell's Iris Garden catalog, 1948: TREASURE ISLAND (Kleinsorge 1937).(Cream Sdlg: Purissima x Dolly Madison) x Jean Cayeux). Clean yellow with light area in falls. Parent of Old Parchment, Copper Cascade and Grand Canyon. A.M. 1945. 50c . |
From Rainbow Hybridizing Gardens, 1947: A large striking yellow, with a white flush in the center of the falls. |
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 |
I | Attachment | Action | Size | Date | Who | Comment |
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TreasureIslandBHI.JPG | manage | 1 MB | 30 Mar 2018 - 13:58 | BetsyHiggins | Photo by Mary Hess-Bluebird Haven Iris Garden |
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TreasureIslandKHIPS.gif | manage | 29 K | 18 Feb 2012 - 20:02 | BetsyHiggins | Photo Courtesy of HIPS |
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Treasure_Island_fl.jpg | manage | 29 K | 21 Feb 2011 - 19:40 | %LDAP{"sAMAccountName=IrisP" format="$displayName"}% | |
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treasure-island1-07.jpg | manage | 50 K | 15 Nov 2009 - 20:46 | Main.mikeu | Treasure Island by Mike Unser |
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treasure-island1-16.jpg | manage | 129 K | 04 Sep 2016 - 05:27 | Main.mikeu | Photo by Mike Unser |
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treasure-island1-20.jpg | manage | 146 K | 26 Oct 2020 - 05:30 | Main.mikeu | Photo by Mike Unser |
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treasure-island1-24.jpg | manage | 307 K | 02 Sep 2024 - 18:46 | Main.mikeu | Photo by Mike Unser |
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treasure-island2-10.jpg | manage | 33 K | 05 Apr 2015 - 16:20 | Main.mikeu | Photo by Mike Unser |
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treasure-island2-16.jpg | manage | 127 K | 04 Sep 2016 - 05:27 | Main.mikeu | Photo by Mike Unser |
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treasure-island3-16.jpg | manage | 104 K | 04 Sep 2016 - 05:27 | Main.mikeu | Photo by Mike Unser |
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treasure-island4-16.jpg | manage | 134 K | 04 Sep 2016 - 05:27 | Main.mikeu | Photo by Mike Unser |
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treasure-island4-20.jpg | manage | 359 K | 26 Oct 2020 - 05:30 | Main.mikeu | Photo by Mike Unser |
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treasureisland.JPG | manage | 580 K | 31 Jul 2018 - 19:50 | TerryLaurin | Photo by Nancy McDonald-The Pickle Barrel Collection. |
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treasureisland01.JPG | manage | 628 K | 31 Jul 2018 - 19:52 | TerryLaurin | Photo by Nancy McDonald-The Pickle Barrel Collection. |
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treasureisland02.JPG | manage | 628 K | 31 Jul 2018 - 19:53 | TerryLaurin | Photo by Nancy McDonald-The Pickle Barrel Collection. |
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treasureisland03.JPG | manage | 109 K | 25 Jun 2020 - 01:47 | TerryLaurin | Photo by Nancy McDonald-The Pickle Barrel Collection. |
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treasureisland04.JPG | manage | 113 K | 25 Jun 2020 - 01:47 | TerryLaurin | Photo by Nancy McDonald-The Pickle Barrel Collection. |
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treasureisland05.JPG | manage | 100 K | 25 Jun 2020 - 01:48 | TerryLaurin | Photo by Nancy McDonald-The Pickle Barrel Collection. |
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treasureisland06.JPG | manage | 97 K | 25 Jun 2020 - 01:48 | TerryLaurin | Photo by Nancy McDonald-The Pickle Barrel Collection. |
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treasureisland5.JPG | manage | 98 K | 29 Dec 2023 - 21:35 | TerryLaurin | Photo by Jeff Bennett-Dry Creek Garden |
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treasureisland50.JPG | manage | 144 K | 29 Dec 2023 - 21:36 | TerryLaurin | Photo by Jeff Bennett-Dry Creek Garden |
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treasureisland51.JPG | manage | 110 K | 15 Jul 2025 - 19:35 | TerryLaurin | Photo by Jeff Bennett-Dry Creek Garden |
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treasureisland9.JPG | manage | 76 K | 02 Sep 2021 - 22:11 | TerryLaurin | Photo by Mary Hess-Bluebird Haven Iris Garden |