Iris 'Supreme Sultan'

Iris germanica 'Supreme Sultan'

Iris 'Supreme Sultan' (Iris germanica 'Supreme Sultan') is a highly popular garden plant due to its unique colors and shapes. Below, we will explain the growth characteristics, propagation methods, cultivation methods, garden uses, and important pests and diseases and control methods for this variety.

Growth Characteristics
- Height: It grows to approximately 70–90 cm and is a perennial herbaceous plant.
- Flowers: It blooms with large flowers from spring to early summer, characterized by a combination of yellow and reddish-brown.
- Leaves: Green, sword-shaped leaves grow in clusters.
- Environment: It thrives in full sun and prefers well-drained soil.

Propagation Methods
- Division: It is primarily propagated by root division. It is recommended to divide in late summer or early autumn after the flowers have faded.
- Method: Carefully separate the rhizomes and plant them to encourage the growth of new rhizomes.

Cultivation Methods
- Sunlight: It requires sufficient sunlight. - Soil: Well-drained sandy loam is suitable, and a pH of slightly acidic to neutral (6.0–7.0) is ideal.
- Watering: Since it is susceptible to overwatering, water only in moderation; particular caution is required during the summer rainy season.
- Fertilizer: It is recommended to apply slow-release fertilizer in the spring when the plant is growing.

Uses in the Garden
- Landscape Aesthetics: It provides vertical elements and can enhance beauty through solitary or group planting.
- Landscaping: It is well-suited for planting along flowerbed borders or on slopes to provide diverse colors and textures.

Important Pests and Diseases & Control Methods
- Diseases: Leaf spot may occur; if it appears, remove the diseased leaves and use fungicides if necessary.
- Pests: Sap-sucking pests such as aphids may appear; remove them upon early detection and use insecticides in severe cases.
- Prevention: Regular maintenance and inspection are required, and preventing overwatering can reduce the occurrence of diseases. The iris 'Supreme Sultan' is relatively easy to care for and is suitable for adding a spectacular accent to the garden. It can be grown healthily through proper care and preventative measures.

Plant Family	Iris family
Height	90~120cm
Spread	30~60cm
Colors	yellow, brown
Bloom Period	May~June
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-5°C

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