The American Iris Society Region 4
| Shenandoah & Potomac Iris Society Gardens | |||
| SPIS | |||
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Crump Garden
(Past) Otterness Garden(Past) Rude Garden (Past) Sarah's Bird Sanctuary (Past) | |||
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Blandy Experimental Farm Garden Iris Hills Garden Museum of the Shenandoah Valley Opequon Memorial Garden Winterberry Gardens |
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