Botanical Name

Iris ensata

Commonly known as Japanese Iris

Iris ensata (Japanese Iris)
Perennial

Huge, flat, ruffled blooms up to 10 inches across. Needs consistent moisture, especially during bloom.

Quick Reference
Bloom Season
Jun to Jul
USDA Zones
4-9
Sun
Full Sun or Part Sun
Water
High - consistently moist
Mature Height
2-3'
Bloom Colors
PurpleBlueWhite
Cut Flower Deer Resistant
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Companion plants, planting tips, FAQ, and more

About This Name

Iris ensata is the scientific name used by botanists, nurseries, and seed catalogs to identify Japanese Iris unambiguously. The genus Iris places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Japanese Iris, looking up plant care details, or comparing varieties, searching by Iris ensata will give you the most precise results.