Smyrnium perfoliatum

Smyrnium perfoliatum

Native to:
Albania | Algeria | Bulgaria | Corse | Cyprus | Czechia-Slovakia | East Aegean Is. | France | Greece | Hungary | Italy | Kriti | Krym | Lebanon-Syria | Morocco | North Caucasus | NW. Balkan Pen. | Portugal | Romania | Sardegna | Sicilia | Spain | Transcaucasus | Tunisia | Türkiye | Türkiye-in-Europe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apiaceae
Genus:
Smyrnium
Species:
Smyrnium perfoliatum

Growth Characteristics

Growth Habit:
Forb/herb
Height:
120 cm
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
Bloom Colors:
yellow

Garden & Ecology Notes

Wildlife Value:
bees, flies

Source: deepseek-v4-flash

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–60 days
Notes:
Seeds benefit from cold stratification for 2-3 months before sowing.

Source: deepseek-v4-flash

ORGHPS Germination Guide: Sow at 20°C for 6 weeks, then place @ 4°C for 6 weeks, then slowly raise temperature to 10°C for 6 weeks. If there is no germination, repeat the cycle. * seedling will die down to form a tuber in the first year, should re-emerge the following spring.

Source: Ontario Rock Garden & Hardy Plant Society