Palmleaf Thoroughwort
Conoclinium dissectum
- Native to:
- Mexico, United States
iNaturalist: © nanfredericks (iNaturalist #50879157)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Conoclinium
- Species:
- Conoclinium dissectum
- USDA Symbol:
- COGR10
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- mar,apr,may,jun,jul,aug,sep,oct,nov
- Bloom Colors:
- blue, purple, lavender
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Rawson's Metalmark (Calephelis rawsoni)
Reported Fauna Sightings
Butterflies:Atalopedes Scudder, Clouded Skipper (Lerema accius), Fiery Skipper (Hylephila phyleus), ⚠️Monarch butterfly (Danaus plexippus), Queen butterfly (Danaus gilippus)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, bees, moths
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rhizomes following fire; tolerates periodic burns typical of grassland habitats.
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:
- native to arid regions, prefers open, sunny locations
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination; surface sow and do not cover.
The above propagation data sourced from Claude AI