Pineland Horseweed

Laennecia schiedeana

Native to:
Costa Rica, Guatemala, Mexico, Panamá, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Laennecia
Species:
Laennecia schiedeana
USDA Symbol:
LASC3

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
white, yellow

Garden & Ecology Notes

Wildlife Value:
birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Pioneer species that colonizes disturbed and burned areas; resprouts or reseeds readily after fire.

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in disturbed areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily with light; surface sow and do not cover.

The above propagation data sourced from Claude AI