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■(TB) 'Ultimatum'

1994, Ransom

'Ultimatum' (Lawrence Ransom, R. 1993). Seedling 87/86-4. TB, 37" (94 cm). Midseason bloom. Lightly ruffled and laced apricot orange self; beards orange to red; sweet fragrance. 'Lady Friend' X 'Opium'. Iris au Trescols 1994.

See below:
ultimatum1.jpgultimatum2.jpgultimatum3.JPGultimatum4.jpgUltimatum Ransom 94a.JPGUltimatum photo1 L Ransomjb.jpgUltimatum photo2 L Ransom.jpg

References

See: IRIS et BULBEUSES n°113, p. 6.
 

Culture

Quick Summary of Cultural Directions

FURTHER CULTURAL INFORMATION SortSorted ascending
Exposure Prefers full sun for optimal performance, may still bloom in half-day shade
Fertilizer Prefers rich conditions on relatively inorganic soils.
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.

-- Main.RPries - 2011-03-07

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Interested in French irises ? Please visit: France Iris | Société Française des Iris et plantes Bulbeuses (french language).

 

-- RolandDejoux - 2010-01-13
I Attachment Action Size Date Who Comment
Ultimatum__Ransom_94a.JPGJPG Ultimatum__Ransom_94a.JPG manage 63 K 13 Jan 2010 - 16:40 Main.Laymont+ by Dejoux in my garden : sud-ouest France
Ultimatum_photo1_L_Ransomjb.jpgjpg Ultimatum_photo1_L_Ransomjb.jpg manage 45 K 17 Jun 2016 - 13:30 Main.Harloiris Photo by Lawrence Ransom
Ultimatum_photo2_L_Ransom.jpgjpg Ultimatum_photo2_L_Ransom.jpg manage 64 K 29 Dec 2011 - 14:00 Main.zeblouz  
ultimatum1.jpgjpg ultimatum1.jpg manage 501 K 12 Jan 2020 - 20:48 Main.TLaurin Photo by Christine Cosi-Iris en Perigord- France
ultimatum2.jpgjpg ultimatum2.jpg manage 303 K 05 Dec 2017 - 14:17 Main.TLaurin Photo by Christine Cosi-Iris en Perigord- France
ultimatum3.JPGJPG ultimatum3.JPG manage 276 K 29 Dec 2020 - 16:04 Main.TLaurin Photo by Christine Cosi-Iris en Perigord- France
ultimatum4.jpgjpg ultimatum4.jpg manage 74 K 17 Nov 2013 - 04:13 Main.TLaurin Photo by Alain Chapelle-France
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Topic revision: r26 - 22 Oct 2022, af.83
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