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About

Features

Life Cycle Perennial
Planting Season Fall
Color Black
Growth Habit Clumping, Upright
Bloom Season Summer

Plant Characteristics Attracts Bees, Attracts Butterflies, Attracts Pollinators, Easy to Grow & Maintain, Fragrant
Use Cut Flower Garden
Growing Conditions Drought Tolerant, Outdoor
Plant Resistance Deer, Rabbit

About Black Flowered - Siberian Iris Bulbs

Iris sibirica

Seed Type Root

There are over 200 varieties of irises, but none quite as unique as the Black Flowered Siberian Iris. It's deep purple blooms appear to be black when out of direct sun. Black Flowered irises can grow up to 42" in height, making them an excellent border plant. They are also excellent as a cut flower in bouquets as a unique way to bring darker colors into an arrangement.

Planting Information

Planting Black Flowered - Siberian Iris Bulbs

Planting Season Fall
Light Requirement Full Sun, Partial Shade
Planting Depth 1 to 2 inches
Plant Height 24 to 48 inches
Plant Spacing 24 to 36 inches
Water Needs Average
Hardiness Zones 3, 4, 5, 6, 7, 8, 9
Bulb Size No. 1
View our Siberian Iris Planting Guide to learn more.

Companions Plants

Companion Plants for Black Flowered - Siberian Iris Bulbs