Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Caprifoliaceae

Genus:

Cephalaria

Species:

Cephalaria gigantea

USDA Symbol:

CEGI2

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

250 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

yellow, cream

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

prefers fertile soils with good organic content

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–28 days

Notes:

Seeds germinate readily after cold stratification. Surface sow as light may aid germination.

The above propagation data sourced from Claude AI