Mountain Tarweed

Madia glomerata

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Madia
Species:
Madia glomerata
USDA Symbol:
MAGL2

Growth Characteristics

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

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Spotted Straw Moth (Heliothis phloxiphaga)

Garden & Ecology Notes

Wildlife Value:
birds, bees
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Reseeds prolifically after fire disturbance; annual life cycle allows rapid post-fire colonization.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Commonly found in open, dry habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds germinate readily with light; fall sowing or brief cold stratification improves germination rates.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Source: npn.rngr.net