Crimson Clover

Trifolium incarnatum

Native to:
Albania, Austria, Belgium, Bulgaria, Corse, Czechia-Slovakia, Denmark, East Aegean Is., Finland, France, Germany, Hungary, Iran, Italy, Kriti, Netherlands, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Türkiye, Türkiye-in-Europe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Trifolium
Species:
Trifolium incarnatum
USDA Symbol:
TRIN3

Growth Characteristics

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

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

Grapholita interstinctana, Green Cloverworm Moth (Hypena scabra), Gray Hairstreak (Strymon melinus)

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Brown-belted bumble bee (Bombus griseocollis), Pyrobombus Dalla, ⚠️Western honey bee (Apis mellifera), Yellow bumble bee (Bombus fervidus), Yellow head bumble bee (Bombus flavifrons), Yellow-faced bumble bee (Bombus vosnesenskii) Butterflies:American Lady (Vanessa virginiensis), Black Swallowtail (Papilio polyxenes), Cloudless Sulphur (Phoebis sennae), Eastern Tailed-Blue (Cupido comyntas), Gray Hairstreak (Strymon melinus), ⚠️Monarch butterfly (Danaus plexippus), Pearl Crescent (Phyciodes tharos), Silver-spotted Skipper (Epargyreus clarus)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, beneficial insects

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage preferred
Moisture:
consistently moist
Notes:
native to temperate regions with mild winters

Propagation & Germination

Stratification:
None required
Germination Time:
7–14 days
Notes:
Seeds germinate readily without pretreatment. Best sown in fall for spring bloom in mild climates.

The above propagation data sourced from Claude AI

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

Source: Ontario Rock Garden & Hardy Plant Society