Iris Plants

Iris Cultivation

head gardener added on May 28, 2011 | Answered

I know how to plant irises but do not know what kind of soil is best. Do they need any manure or compost, for example?

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Certified GKH Gardening Expert
Answered on June 3, 2011

Rich soil that has been amended with compost is very good for irises. They like light, loose soils that are well draining but loamy. pH of 6-7 is best. Manure tends to add too much nitrogen to the soil, which results in alot of leaves and few flowers. You can use a little, but not much.

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