Onopordum horridum

Onopordum horridum

Native to:
Corse | Italy | Sardegna | Sicilia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Onopordum
Species:
Onopordum horridum

Growth Characteristics

Height:
300 cm
Drought Tolerance:
High
Bloom Months:
jun,jul,aug
Bloom Colors:
purple

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Source: deepseek-v4-flash

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate readily after cold stratification; surface sow on well-drained soil.

Source: deepseek-v4-flash

ORGHPS Germination Guide: 15% germination rate; squeeze seeds to determine which are viable

Source: Ontario Rock Garden & Hardy Plant Society