Iris Unguicularis
Iris unguicularis
outdoorAlgerian iris is a low-growing, winter-flowering perennial with narrow, grass-like foliage and fragrant, delicate flowers in shades of purple, blue, or white that bloom from late fall through early spring. This Mediterranean native is prized for its late-season blooms and sweet scent. It prefers warm, dry conditions and is excellent for rock gardens and well-drained borders.
Common Problems
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Care Guide
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Light
Full sun; requires 6+ hours of direct sunlight daily for optimal flowering and vigor
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Water
Drought-tolerant once established; water moderately during active growth in fall and winter; reduce in summer dormancy. Prefers dry conditions; avoid excess moisture
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Soil
Well-drained, lean to moderately fertile soil; sandy or gravelly soil preferred. Poor soil actually encourages better flowering
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Fertiliser
Light or minimal feeding; avoid high-nitrogen fertilizers. A light feeding in fall supports winter blooming
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Temperature
Prefers warm to moderate climates; tolerates down to 10–15°F; dormant in hot summers. Ideal range 50–70°F in winter growing season
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Humidity
Low to moderate humidity; prefers dry air and drying conditions
Toxicity
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Non-toxic; safe for households with children and pets
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.