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Iris Plants

Q.Sizing Iris Seeds

Zone 98516 | Anonymous added on May 25, 2021 | Answered

trying to find out how iris seeds are graded. Unsure is #4 is larger than #6 or is it smaller.

GKH_Susan

Certified GKH Gardening Expert

Answered on May 31, 2021

Rhizomes are graded by the number of growth points or eyes they have. So the #4 would have 4 eyes and the #6 would have six eyes. More eyes will give you more stems, foliage and flowers.

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Q.Sizing Iris Seeds

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