Phyteuma orbiculare

Phyteuma orbiculare

Native to:
Albania | Austria | Baltic States | Belarus | Belgium | Czechia-Slovakia | France | Germany | Great Britain | Greece | Hungary | Italy | NW. Balkan Pen. | Poland | Romania | Russia | Spain | Switzerland | Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Campanulaceae
Genus:
Phyteuma
Species:
Phyteuma orbiculare

Growth Characteristics

Growth Habit:
Forb/herb
Height:
50 cm
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
blue, violet

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Source: deepseek-v4-flash

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate after cold stratification; sow in fall or stratify for 4-8 weeks.

Source: deepseek-v4-flash

ORGHPS Germination Guide: Sow @ 20C. If no germination in 3 months, try 4C 1-2 months, then 20C again. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society