Little Yellow Rattle

Rhinanthus minor

Native to:
Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Kazakhstan, Krym, Labrador, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Spain, Sweden, Switzerland, Ukraine, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orobanchaceae
Genus:
Rhinanthus
Species:
Rhinanthus minor
USDA Symbol:
RHMI13

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
50 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

Bees: Two-form bumble bee (Bombus bifarius)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
poor, sandy, well-drained soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in meadows and grasslands

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–28 days
Notes:
Seeds require cold stratification and must be sown fresh in autumn for best results. Hemiparasitic; requires host grass roots for establishment.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI

ORGHPS Germination Guide: Sow at 4°C for 3 months, then place @ 20°C for 3 months. * parasitic, can survive and produce seed without host grass or clover but plants will be small; sow with caution in North America as it may become invasive

Source: Ontario Rock Garden & Hardy Plant Society