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Post by mattolo on Feb 26, 2015 14:10:03 GMT
Most books say to plant with some of the rhizome exposed and that they really like to bake to flower well. Not sure about light shade being good for them.Also lifting every three to four years keeps them flowering well and vigorous.
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Post by mattolo on Feb 26, 2015 14:28:04 GMT
I'd agree that they might not like acid soil.(depends how acid it is)I'm on chalky stuff here near Dover and I never feed them and they do fine.You could try liming yours or give them wood ash which is a high potash and alkaline feed. Oh and don't water them once they are established they are very drought tolerant.  Bearded Irises by smifter2012, on Flickr |
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Post by SueA on Mar 1, 2015 9:07:18 GMT
Should all types of Irises be planted with their rhizomes sitting just above soil level and in a sunny position. It's only bearded irises that need to be on the surface so they can bake in the sun libralady. Dwarf irises I plant an inch or two under the soil & I have mine in part shade in the front garden which is north facing & they grow fine here & at our old house. Tall iris did O.K. in the front in part shade too & also in full sun in the back garden planted a couple of inches deep & in pots. |
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Post by libralady on Mar 8, 2015 14:28:59 GMT
Thanks for the info SueA. Love Irises and plan to grow more.
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