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Iris forrestii
Iris forrestii is a rhizomatous perennial iris from Tibet, western China and northern Burma, grown for its fragrant lemon-yellow flowers in early summer. It is easy to grow in moist, well-drained, slightly acidic to neutral soil and does best in cool climates, as it dislikes heat and dry conditions.
Iris forrestii is a species of flowering plant in the genus Iris, also the subgenus Limniris and in the series Sibiricae. It is a rhizomatous herbaceous perennial, from China (including Tibet) and Burma. It has linear grassy-like leaves, long thin stem and fragrant yellow or lemon-yellow flowers. It is cultivated as an ornamental plant in temperate regions.
The Sino-siberian irises all generally have similar cultivation requirements. Although Iris forrestii is known as being easy to grow. They are not as hardy as the other group of Siberian irises. They also don't like very hot conditions either. If it losses too much moisture it will wither and die. Preferring the northern parts of America and United States to the overly warm southern America. They will tolerate temperatures of up to – 10 degrees C. But may survive lower if protected or well mulched in winter.
It is hardy to USDA Zone 2–9, known as 'Hardy' in the UK, in Australia Zone 1–3, and Zone H2 (which means Hardy to −15 to −20 °C (5 to −4 °F) ) in Europe.
All parts of plant (rhizome, leaf and flower) are poisonous if ingested.
Iris acutiloba subsp. lineolata · Iris acutiloba · Iris adriatica · Iris afghanica · Iris alberti · Iris albomarginata · Iris alexeenkoi · Single Bract Iris · Iris antilibanotica · Stool iris · Iris arenaria · Iris assadiana
Text excerpted from the Wikipedia article Iris forrestii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
