Researchers report they have genetically mapped the cell types that make up the mouse iris -- the thin disc of pigmented tissue that, in humans, gives eyes their distinct colors. Johns Hopkins ...

Irises are beautiful flowers with incredible diversity! With more than 70,000 registered varieties, these striking perennials can be planted across almost the entire U.S., except some extremely hot ...

Johns Hopkins Medicine researchers report they have genetically mapped the cell types that make up the mouse iris — the thin disc of pigmented tissue that, in humans, gives eyes their distinct colors.

Exceptionally hardy, drought-tolerant, and deer-resistant, bearded irises are one of the easiest perennials to grow in cold-weather regions. Though they are mostly care-free, these irises do need to ...

This year the National Garden Bureau is promoting iris as their bulb of the year. Irises are among the easiest of perennials to grow from bulbs, roots or rhizomes. The genus includes some 250 to 300 ...

Iris is a genus of herbaceous perennial flowering plants popular in many gardens. While one of the most recognizable groups of plants for many gardeners both expert and novice alike, there are some ...

This blend of toughness with intense, yet fleeting, beauty is an apt metaphor for Cleveland and makes Rockefeller Park Greenhouse and Botanical Garden a fitting location for preserving the work of the ...

Iris is a genus of herbaceous perennial flowering plants popular in many gardens. While one of the most recognizable groups of plants for many gardeners both expert and novice alike, there are some ...