Flatspine Stickseed

Lappula occidentalis

Native to:
Argentina, Canada, Chile, Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Boraginaceae
Genus:
Lappula
Species:
Lappula occidentalis
USDA Symbol:
LAOC3

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb
Height:
50 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun,jul
Bloom Colors:
white, blue

Garden & Ecology Notes

Wildlife Value:
birds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
commonly found in arid and semi-arid regions

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily in spring without pretreatment. Annual species with natural seed dispersal via barbed nutlets.

The above propagation data sourced from Claude AI

Pre-treatment: Place 40 nutlets in a fine mesh bag and submerge the seed into a mason jar filled with distilled water. An aquarium bubbler should provide aeration.

Source: npn.rngr.net