Plant Base Online (beta)
Iris 'Penny Black'
© Deeproot Plant Base
common name: Tall Bearded Iris
poisonous or irritant
dry soil, moist soil, sandy soil
preferred soil pH: neutral-acid
minimum temp: -18°C
USDA zone: 5 to 8
Tall bearded variety, very dark purple flowers, appearing virtually pure black.
Well drained, preferably neutral to slightly acid soil in full sun. Rhizomes should be partially exposed and flowering is best in areas with long warm summers. Divide clumps when congested.
Raised by Tubbs, introduced 1978