USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
This is probably my favorite iris germanica: beautiful bright true yellow color, several blooms per stem, increases for me yearly in my ...Read More
Nice flower. Survived a long time (15-20 years) but never shown any propensity to increase. Typically get only 1-2 flower stems
This is a glorious blaze of sunshine for the garden! A wonderful, large golden yellow iris with long-lasting blooms. It can be seen fr...Read More
A strong grower, blooms mid- to late May here (Nebraska, zone 5). Bright yellow, fades to cream right by the beard. I've seen it describe...Read More
My very first bearded iris, and a lovely one, at that! As a first timer, I've very pleased with growing irises. "Well Endowed" has an e...Read More
Edgewood, Washington
Lives up to its name. Huge bright yellow flowers, each 8-9 inches long. Seems to have a shortened stem com...Read More