St. Anthony's Turnip

Ranunculus bulbosus

Native to:
Albania, Algeria, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Corse, Czechia-Slovakia, Denmark, Egypt, Finland, France, Germany, Great Britain, Hungary, Iran, Iraq, Ireland, Italy, Krym, Morocco, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Ranunculus
Species:
Ranunculus bulbosus
USDA Symbol:
RABU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
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
Deer Resistant:
Yes

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny locations

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–30 days
Notes:
Seeds require cold stratification for 2-3 months to break dormancy; sow in fall or after cold treatment.

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society