Species Iris, Dwarf Iris
Iris pumila
Family: | Iridaceae (eye-rid-AY-see-ee) (Info) |
Genus: | Iris (EYE-ris) (Info) |
Species: | pumila (POO-mil-uh) (Info) |
Synonym: | Iris aequiloba |
Synonym: | Iris angustifolia |
Synonym: | Iris biflora |
Synonym: | Iris coerulea |
Synonym: | Iris longiflora |

Class:
Species (SPEC)
Height:
12-18 in. (30-45 cm)
Spacing:
9-12 in. (22-30 cm)
Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color:
Pale Yellow
Light Blue
Blue-Violet
Lavender
White/Near White
Bloom Time:
Midseason (M)
Foliage:
Herbaceous
Smooth
Other details:
May be a noxious weed or invasive
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information:
Non-patented
Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Awards (if applicable):
Foliage Color:
Bloom Characteristics:
Flowers are fragrant
Water Requirements:
Average Water Needs; Water regularly; do not overwater
Where to Grow:
Regional
This plant is said to grow outdoors in the following regions:
Plainfield, Illinois
Winnetka, Illinois
Webster, New York
Norristown, Pennsylvania
Gardeners' Notes:
No details have been posted.