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Siberian Iris Roots (Spring-Planted) - Black Flowered Now Shipping Zones 6-12

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Pre-Order Zones 2-5 Shipping 6-12(see schedule)

Unit Size Unit Price Savings Qty
Bag of 2 Roots $12.95
Bag of 4 Roots $22.95 11%
Bag of 10 Roots $49.95
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  • Perennial; Rich Dark Purple Blooms
  • Summer Blooming, Easy to Grow, Wet Tolerant
  • Prefers Sun/Partial Shade

Product Description

Siberian Iris - Black Flowered

Although all irises are beautiful, the Black Flowered Siberian irises are perhaps one of the most elegant and striking in our inventory. These velvety, deep purple blooms look almost black, especially when not in direct sunlight. They can be cut and used in bouquets or kept in the garden for a truly stunning effect.

  • Fast Facts

    Name:Siberian Iris Roots - Black Flowered
    Botanical Name:Iris sibirica
    Life Cycle:Perennial
    Bulb/Tuber/Root Size:No. 1
    Light Requirement:Full Sun, Partial Sun
    Planting Season:Spring
    Features:Attracts Pollinators, Cut Flower Garden, Deer Resistant, Easy to Grow & Maintain, Fragrant
    Blooms:Summer, Late Summer
    Plant Height:2-4 feet
    Plant Spacing:24 to 36 inches
    Planting Depth:1-2 inches
    Hardiness Zones:3, 4, 5, 6, 7, 8, 9
  • Planting Instructions


    Siberian irises thrive in full sun conditions and in well-drained soil. Soggy soil will promote root rot. These perennials will eventually develop into large blooming clumps over a few years so allow a space 15-20" across for when your irises mature. Siberian irises do best in soil that has some humus. With that in mind, feel free to add some compost, decomposed manure or leaf mold if your soil is lean or sandy side.

    These plants can sometimes struggle in the hot, dry climates. Siberian irises also do well in somewhat acidic soils although this is not a requirement for success. Install each plant, with the roots fanned slightly and pointing downwards, into a hole 3-5" deep. The point where the fan and the roots join should be 1-2" below soil level. Keep soil moist, but not soggy, while plants are establishing. A mulch of organic material helps keep Siberian iris roots cool and the surrounding soil slightly moist.

    At the end of the season, trim out any seed pods that may have formed. If the seed should set, the resulting plants are typically unlike the parents. Iris foliage should be trimmed to 2" in late fall.

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