Iris acutiloba: Difference between revisions

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==Cultivation==
It is [[Hardiness (plants)|hardy]] to European Zone H3,<ref name=European/> meaning hardy to -10 to -15oC (14 to 5oF),<ref>{{cite web |title=Plant Hardiness |url=http://theseedsite.co.uk/hardiness.html |publisher=theseedsite.co |accessdate=3 August 2015}}</ref>.
 
As they grow in the mountains, they are much cold hardier than some of the Israel-Palestinian found Oncocyclus section irises.<ref name=american/><ref name=irisbotanique/>
 
In Russia, it was tested for hardiness in various botanical gardens, it did not survive in [[Tbilisi]], [[Baku]], [[Frunze]] (or Bishkek),<ref name=exhibition/> [[Nalchik]] and Alma-Ata.<ref name=calc/> In the gardens of [[Moscow]] and [[St. Petersburg]], it had unstable results.<ref name=exhibition/><ref name=calc/>
As ''Iris acutiloba and the subspecies 'lineolata' are dwarf,<ref name=stebbings/> they can be grown in a pot,<ref name=irisbotanique/><ref name=stebbings/> with sharp drainage and careful watering, and kept (frost-free) in greenhouse or cold frame,<ref name=pottertons/> or alpine house.<ref name=american/>
 
They should be planted in sandy, well drained soils in full sun. They need protection from spring and autumn rains. If planted in pots, they are left to dry from September and in the spring, given fertilizer during the growing season. Some irises have lived for 3-5 years under this method.<ref name=Rainbow/>
 
In 1904, it was rarely in cultivation in the UK.<ref name=Lynch/>
 
On 15 March 1900, a specimen was collected by [[Paul Sintenis]] near Baku, and then stored in the [[herbarium]] of [[Komarov Botanical Institute]]. Due to a mistake, it was labeled as Bailovo, but the actual correct name of the region near to the Danube is [[Brailovo]].<ref name=Komarov/>
 
===Propagation===