Sino-siberian iris (Iris forrestii)

Sino-siberian iris

Also known as: Yellow iris, Siberian Iris

Sino-siberian iris (Iris forrestii) is a widely grown ornamental species popular for its yellow flowers. It thrives in the borders and beds of cottage and informal gardens but needs to be protected from slugs, snails, and aphids. The specific epithet, forrestii, refers to the 19th-century Scottish botanist and explorer George Forrest. Be cautious with sino-siberian iris, as all parts of the plant are poisonous when ingested.

Scientific classification

Species

Sino-siberian iris (Iris forrestii)

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Toxic to Pets

Toxicity

Perennial

Lifespan

Herb

Plant Type

45 cm

Plant Height

20 cm

Spread

Green

Leaf Color

0 - 35 ℃

Ideal Temperature

Images of Sino-siberian iris

Distribution of Sino-siberian iris

Distribution Map

Sino-siberian iris is a plant with its origins in Southeast Asia. It is native to subtropical regions, primarily found in mountainous areas. This species has also been introduced and cultivated in temperate zones across the globe, flourishing mainly in botanical gardens and environments that replicate its native climate and soil conditions.

Native

Cultivated

Invasive

Introduced

No species reported

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Care Guide for Sino-siberian iris

Every week

Water

Partial sun

Sunlight

0 - 35 ℃

Ideal Temperature

Water: Thriving in moist meadows, sino-siberian iris prefers evenly moist soil, avoiding waterlogged or dry conditions. Water weekly for lush foliage and flowering. This outdoor plant thrives in cooler mountainous climates, showing resilience in rain, but needs well-draining soil to prevent root rot.

Fertilize: For sino-siberian iris, apply balanced fertilizer in spring and high-phosphorus pre-bloom quarterly at recommended rates. Increase feeding during active growth; reduce in winter dormancy. Avoid runoff, integrating fertilizer into the soil. Adjust application with weather conditions, and always follow safety precautions.

Pruning: Sino-siberian iris features elegant, slender leaves and vibrant yellow blooms. Prune dead foliage and spent flower stalks in spring to promote growth and prevent disease. Avoid cutting too close to the base. Consult horticultural guides for effective pruning techniques.

Propagation: Sino-siberian iris can be propagated by separating tubers, ensuring each has one growth point. Plant in well-draining soil with moderate moisture. Proper care fosters robust growth, allowing gardeners to expand their collection or replace older specimens.

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