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Questions & Answers

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Q.Iris Bulbs Planting

Zone North Lanarkshire, Scotland, UK | Anonymous added on October 11, 2025 | Answered

Depth and spacing

GKH_Susan

Certified GKH Gardening Expert

Answered on October 12, 2025

Tall bearded irises are planted so that the roots are below ground and the top of the rhizome is above the soil. But that can vary depending on the type of iris. These articles should help:

https://www.gardeningknowhow.com/ornamental/bulbs/iris/what-is-a-bearded-iris.htm

https://extension.unl.edu/statewide/douglas-sarpy/pdfs/ce/resources/ce-g1741-culture-of-iris.pdf

https://www.gardeningknowhow.com/ornamental/bulbs/iris/planting-dutch-english-and-spanish-irises.htm

https://www.gardeningknowhow.com/ornamental/bulbs/iris/louisiana-iris-information.htm

https://www.gardeningknowhow.com/ornamental/bulbs/iris/growing-japanese-iris-plants.htm

https://www.gardeningknowhow.com/ornamental/bulbs/iris/when-to-plant-iris-bulbs-by-variety.htm

https://www.gardeningknowhow.com/ornamental/bulbs/iris/differentiating-iris-flowers.htm

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