Iris savannarum

prairie iris, savanna iris


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Use this link to get more info about this plant from the USF Institute for Systematic Botany

Plant Specifics

Form: flower
Life Span: long-lived perennial
Size: Height: 3-4 ft    Width: 0.5-1 ft
Flower Color: flower color   flower color   flower color      white,purple,lavender
Fruit Color: fruit color      brown
Phenology: winter dormant
Noted for: Showy flowers


Recommended Uses: Moist wildflower garden. Sometimes grown under the drain for an air conditioner. Excellent as a wetland edge flower.
Propagation: Division of roots.
Availability: Native nurseries
Light: light requirement   light requirement  
Moisture Tolerance:
Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand, loam, organic material (muck)
Soil pH Range: acidic


Attracts bees.
Native Habitats: Marshes, wet prairie, dome swamps, riverine swamps in openings.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in:

Other Comments:

This iris and I. hexagona were considered to be a single species until recently. What is now I. hexagona has only a limited occurrence in Florida.