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PlantSnap
Plant Care
Abbeville red
(Iris nelsonii)
Also Known As
Abbeville red, Nelson's iris, Louisiana iris
About This Plant
Iris nelsonii is a species of flowering plant in the family Iridaceae. It is a perennial herb that grows up to 60 cm (24 inches) tall. The plant has sword-shaped leaves and produces large, showy flowers that are usually purple with yellow markings.
Plant Care Instructions
Outdoor Size Range
Height: 60 cm (24 inches) - 90 cm (35 inches), Spread: 30 cm (12 inches) - 60 cm (24 inches)
Light Requirements
Iris nelsonii requires full sun to partial shade. The plant prefers at least 6 hours of direct sunlight per day.
Humidity Needs
Iris nelsonii prefers moderate humidity levels, around 50-60%.
Fertilizing Schedule
Iris nelsonii should be fertilized in the spring with a balanced fertilizer. Additional fertilizer can be applied during the growing season if necessary.
Pruning Guidelines
The plant should be deadheaded regularly to encourage more blooms. After flowering, the stems should be cut back to the base of the plant.
Common Pests and Diseases
Common pests for Iris nelsonii include iris borer, thrips, and aphids. Diseases that can affect the plant include bacterial soft rot and iris leaf spot.
Indoor Size Range
Not suitable for indoor cultivation
Watering Schedule
The plant prefers well-draining soil and should be watered regularly, especially during the growing season. However, it is important not to overwater the plant as this can lead to root rot.
Temperature Range
The plant prefers moderate temperatures between 18-24°C (65-75°F) during the growing season. It can tolerate some frost during the dormant season.
Growing Season
Iris nelsonii blooms in late spring to early summer.
Growing Difficulty Level
Iris nelsonii is moderately difficult to grow. It requires well-draining soil and regular watering, but is susceptible to root rot if overwatered. The plant is also susceptible to pests and diseases.
USDA Hardiness Zones
Iris nelsonii is hardy in USDA zones 5-9.
Did You Know?
Iris nelsonii is named after the American botanist Edward William Nelson, who collected the type specimen in 1899 in Baja California, Mexico.
