Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Campanulaceae

Genus:

Phyteuma

Species:

Phyteuma nigrum

Growth Characteristics

Growth Habit:

Forb/herb

Height:

80 cm

Drought Tolerance:

Low

Bloom Colors:

dark violet, blackish-purple

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Source: DeepSeek deepseek-chat

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds benefit from cold stratification for 4-8 weeks before sowing; surface sow on moist soil and keep at 15-20°C.

Source: DeepSeek deepseek-chat