Iris tridentata Prush. (Three toothed iris)

Photo by Rodney Barton showing reduced standards.  Click image fora larger view.
Photo by M. D. Faith (e-mail him).

Habitat: Damp meadows and ditches in Southeast US.

Bloom: Early May in Zone 7/8.

Description:

• Flowers: violet or blue-purple white signal with yellow center, standards less than 1.5cm.
• Stem: h  to 70 cm, straight, 1-2 flowers at apex sometimes 1 or 3 brances.
• Leaves: h to 40 cm, w to 2 cm
• Rhizome: slinder almost stoloniferous
• Capsule/Seeds: l 2-2.75 cm, angled thick compressed simicircular seeds.
• 2n = ?
• Comments:

• Sun: Full sun (6 hr min.), afternoon shade if any.
• Soil type: Neutral to acid, lots of humus.
• Soil moisture: Moist.
• Feeding: ?
• Hardiness: ?  Possibly the least hardy of the NANI.
• Transplant: Fall or spring after bloom.
• Seed germination: ?
• Comments: Slow to increase for me. One of the latest speciesto bloom in my garden.

Distribution of I. tridentata:

Green indicates the presence of I. tridentata within the state.

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Last modified on 6/26/00