Roughfruit Corn Bedstraw

Galium tricornutum

Native to:
Afghanistan, Albania, Austria, Baleares, Belgium, Bulgaria, China, Corse, Cyprus, Czechia-Slovakia, East Aegean Is., Egypt, France, Germany, Greece, Gulf States, Hungary, India, Iran, Iraq, Italy, Kirgizstan, Kriti, Krym, Lebanon-Syria, Libya, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Palestine, Poland, Portugal, Romania, Sardegna, Sicilia, Sinai, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Ukraine, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rubiaceae
Genus:
Galium
Species:
Galium tricornutum
USDA Symbol:
GATR6

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
apr,may,jun,jul
Bloom Colors:
white

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in disturbed areas and arable land

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate in cool conditions; autumn sowing may improve results.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow immediately, Either the viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience. * outdoors in autumn

Source: Ontario Rock Garden & Hardy Plant Society