See New TB Image Gallery* |
Awaiting original catalog description |
FURTHER CULTURAL INFORMATION |
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Hardiness Zones 4-8 for most varieties, Some Japanese 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 but moist good garden soil, More tolerant of dry conditions in established plants, Needs swampy conditions especially in Spring bloom season. |
PH Prefers Acid solis 6.1 to 7.0, intolerant of limy soils |
Fertilizer Prefers rich conditions on organic soils. |
I | Attachment | Action | Size | Date | Who | Comment |
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jpg | BHP_9800-X2_silent_thunder.jpg | manage | 216 K | 20 Feb 2016 - 05:11 | BrockHeilman | Please contact Brock Heilman for image use. |
JPG | SilentThunder9.JPG | manage | 203 K | 14 Mar 2021 - 13:37 | Main.TLaurin | Photo by Harbour Breezes Daylilies & Japanese Iris-Head of Jeddore-Nova Scotia-Canada |
jpg | SilentThunder_by_JanLauritzen.jpg | manage | 66 K | 14 Jun 2010 - 00:06 | Main.janlauritzen | Photo by Chad Harris of Mt. Pleasant Iris Farm |
JPG | Silentthunder3.JPG | manage | 67 K | 19 Jun 2013 - 22:08 | Main.TLaurin | Photo by Ensata Gardens |
jpg | silent-thunder1-17.jpg | manage | 216 K | 27 Aug 2017 - 19:56 | Main.mikeu | Photo by Mike Unser, taken at Mt. Pleasant Iris Farm |
JPG | silentthunder01.JPG | manage | 850 K | 20 Dec 2015 - 14:21 | Main.TLaurin | Photo by Chad Harris of Mt. Pleasant Iris Farm |
JPG | silentthunder02.JPG | manage | 1 MB | 11 Dec 2017 - 21:26 | Main.TLaurin | Photo by Cascadia Iris Gardens |
JPG | silentthunder020.JPG | manage | 251 K | 26 Dec 2023 - 04:35 | Main.TLaurin | Photo by Cascadia Iris Gardens |
JPG | silentthunder03.JPG | manage | 949 K | 14 Dec 2017 - 16:56 | Main.TLaurin | Photo by Cascadia Iris Gardens |
jpg | silentthunder04.jpg | manage | 204 K | 29 Jun 2020 - 11:03 | Main.TLaurin | Photo by Chad Harris of Mt. Pleasant Iris Farm |
jpg | silentthunder05.jpg | manage | 192 K | 04 Jul 2021 - 20:47 | Main.TLaurin | Photo by Chad Harris of Mt. Pleasant Iris Farm |
jpg | silentthunderdone.jpg | manage | 46 K | 09 Jan 2010 - 03:05 | Main.siberianirisgardens |