Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Ranunculaceae

Genus:

Ranunculus

Species:

Ranunculus rhomboideus

USDA Symbol:

RARH

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Geophyte

Height:

30 cm

Light Requirements:

Part Shade

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun

Bloom Colors:

yellow

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers open, sunny habitats like prairies

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–30 days

Notes:

Seeds require cold stratification for 60-90 days to break dormancy.

Where to Buy

Nationwide Seller

• Prairie Moon Nursery (nursery and seeds)