Iris tridentata Prush. (Three toothed iris)
Photo by Dennis Kramb.
Photo by Rodney Barton showing reduced standards. Click image
fora larger view.
Photo by M. D. Faith (e-mail
Habitat: Damp meadows and ditches in Southeast US.
Bloom: Early May in Zone 7/8.
- 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
- 2n = ?
- 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