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White Crested Dwarf Iris Iris cristata 'Alba'

Previously known as:

  • Iris cristata var. alba
Phonetic Spelling
EYE-ris kris-TAY-tuh AL-ba
This plant has low severity poison characteristics.
See below
Description

This cultivar of Iris cristata is a dwarf crested low-growing, at 3-6 inches tall, native Iris which spreads quickly. Small white flowers with yellow-crested falls, rather than blue, are a bright addition to a dark, shady, naturalized area.  Multiplying to a dense growth in conditions of rich, well-drained soil, it can create a woodland floor of color in early spring and a good groundcover through the summer.  It can tolerate marshes and even shallow water, in partial to full shade.  It can be planted from seed or rhizomes can be divided in the fall to propagate.  Its narrow, yellowish-green leaves are shorter than standard Iris but retain the knife-edge shape.

 

More information on Iris cristata.

Cultivars / Varieties:
Tags:
#hummingbirds#poisonous#partial shade#spring#perennial#white flowers#spring bulb#wildflowers#showy#wet sites#cpp#deer resistant#shade#native garden#groundcover#woodland#naturalizes#irisin#pollinator plant
 
Cultivars / Varieties:
Tags:
#hummingbirds#poisonous#partial shade#spring#perennial#white flowers#spring bulb#wildflowers#showy#wet sites#cpp#deer resistant#shade#native garden#groundcover#woodland#naturalizes#irisin#pollinator plant
  • Attributes:
    Genus:
    Iris
    Species:
    cristata
    Family:
    Iridaceae
    Uses (Ethnobotany):
    Naturalizing, woodlands, rock gardens, native gardens,
    Life Cycle:
    Bulb
    Perennial
    Recommended Propagation Strategy:
    Root Cutting
    Seed
    Country Or Region Of Origin:
    Central and Eastern United States
    Fire Risk Rating:
    low flammability
    Wildlife Value:
    Attractive to bees and hummingbirds
    Play Value:
    Wildlife Food Source
    Particularly Resistant To (Insects/Diseases/Other Problems):
    Deer
  • Whole Plant Traits:
    Plant Type:
    Bulb
    Poisonous
    Wildflower
    Leaf Characteristics:
    Deciduous
    Habit/Form:
    Dense
    Growth Rate:
    Rapid
    Maintenance:
    Low
    Texture:
    Medium
  • Cultural Conditions:
    Light:
    Deep shade (Less than 2 hours to no direct sunlight)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    High Organic Matter
    Soil pH:
    Neutral (6.0-8.0)
    Soil Drainage:
    Good Drainage
    Occasionally Wet
    Available Space To Plant:
    12 inches-3 feet
    NC Region:
    Mountains
    Piedmont
    Usda Plant Hardiness Zone:
    3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
  • Flowers:
    Flower Color:
    White
    Flower Value To Gardener:
    Showy
    Flower Bloom Time:
    Spring
    Flower Shape:
    Irregular
    Flower Petals:
    6 petals/rays
    Flower Size:
    1-3 inches
    Flower Description:
    Small white flowers of inner erect "standards" and 3 reflexed pendent "falls" marked with yellow crests
  • Leaves:
    Leaf Characteristics:
    Deciduous
    Leaf Color:
    Green
    Leaf Type:
    Sheath
    Leaf Arrangement:
    Rosulate
    Leaf Shape:
    Lanceolate
    Hairs Present:
    No
    Leaf Width:
    1-3 inches
    Leaf Description:
    Sword-like
  • Stem:
    Stem Color:
    Green
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Naturalized Area
    Patio
    Walkways
    Design Feature:
    Mass Planting
    Attracts:
    Bees
    Hummingbirds
    Resistance To Challenges:
    Deer
    Wet Soil
  • Poisonous to Humans:
    Poison Severity:
    Low
    Poison Symptoms:
    CAUSES ONLY LOW TOXICITY IF EATEN. SKIN IRRITATION MINOR, OR LASTING ONLY FOR A FEW MINUTES. Nausea, vomiting, abdominal pain, diarrhea, elevated temperature following ingestion; skin irritation upon contact with seeds, rootstock, or cell sap.
    Poison Toxic Principle:
    irisin, iridin, or irisine
    Causes Contact Dermatitis:
    Yes
    Poison Part:
    Roots
    Sap/Juice
    Seeds