Whenever I indulge in guacamole made from a Hass avocado, I am reminded of its unlikely origin. In 1926, Rudolph Hass, a mail carrier in Pasadena, planted three avocado seeds in his avocado grove in ...

Irises are such a broad group of flowering plants that choosing varieties for your garden can be overwhelming. There are over three hundred species, and plant breeders have been creating tons of ...

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 ...

Iris species have long captivated researchers due to their remarkable phytochemical diversity and associated biological activities. Traditionally valued for their ornamental appeal and therapeutic ...

In today's "Growing Together" column, Don Kinzler explains why it's important to divide the perennial flower named after the goddess of the rainbow and how to do it in August. Iris, named after the ...