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Iris vs. Gladiolus: Same Family, Different Looks

Iridaceae Family Relatives

Both belong to Iridaceae, sharing sword-like leaves. Gladiolus (from Latin gladius, sword) produces a tall spike with many flowers; German bearded iris has a shorter stem with 3 large blooms.

Visual Comparison

Many species exist, but garden hybrids dominate cultivation.

Perennials: Iris Seed Pods, Cross-Pollination, and Rhizome Division; Dividing and Transplanting Iris in Colorado; Reclaiming an Overgrown Iris and Daylily Field; Iris Transplant Shock: Why Leaves Wilt After Planting and How to Recover; Dividing Crowded Iris and Reviving Non-Blooming Hydrangeas: Fall Tasks; How to Grow Irises: Types, Planting, and Care; Iris Flowers: Types, Planting, Care, and Solving Rot & Borer Problems; The Other Irises: Japanese and Siberian Irises for Multi-Season Beauty; Planting and Growing Bearded Iris; Bearded Iris: A Dazzling Array of Colors and Forms

Garden Articles

Fertilizing Daffodils and Iris: Less Is Often More

Resources for Bearded Iris Greenhouse Propagation

Storing Siberian Iris Divisions Over Winter: Basement Storage vs. Heeling In

Why Peonies Sulk After Transplanting and Whether Iris/Lilies Change Color

Irises: Complete Guide to Planting, Growing, and Dividing Bearded and Siberian Types

Irises: Planting, Growing, and Care for Rainbow Goddesses

Why Gladiolus Numbers Decline Each Year

Plants

Facts About Purple Iris

The Story of the Iris Flower: Varieties and History

Iris pseudacorus: Yellow Flag Iris for Wetlands and Water Gardens

Hardy Hybrid Iris: Siberian Iris for Cold Climates

Phoenix Iris Spectacle: 2.5 Acres of Spring Blooms

Controlling Clover in Dwarf Iris Beds

Extending Iris Bloom Season: Choose Multiple Species