Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Iridaceae

Genus:

Iris

Species:

Iris bismarckiana

Growth Characteristics

Height:

1-2 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

mar, apr, may

Bloom Colors:

white, yellow

Keystone Species Ranking

Caterpillar Keystone:

★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Soil Requirements

Soil Type:

rocky, well-drained calcareous soil

pH:

6.5 - 7.5 (neutral to slightly alkaline)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky limestone hillsides