Hempleaf Ragwort

Senecio brasiliensis var. tripartitus

Native to:
Argentina, Bolivia, Brazil, Paraguay, Uruguay

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Senecio
Species:
Senecio brasiliensis var. tripartitus
USDA Symbol:
SECA5

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jan,feb,oct,nov,dec
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
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Can resprout from rootstock following fire or mowing; adapted to grassland fire regimes.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist

Propagation & Germination

Stratification:
None required
Germination Time:
10–21 days
Notes:
Seeds germinate readily without pretreatment; light may enhance germination.

The above propagation data sourced from Claude AI