Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Helenium

Species:

Helenium scorzonerifolium

USDA Symbol:

HEAP4

Growth Characteristics

Height:

120 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

aug,sep,oct

Bloom Colors:

yellow

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★★☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from rootstock following fire; benefits from occasional burns in prairie/wetland edge habitats.

Soil Requirements

Soil Type:

moist, fertile, well-drained loam

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

good drainage required

Moisture:

consistently moist

Notes:

Prefers sunny locations with adequate moisture.

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds require light for germination; surface sow and do not cover.

The above propagation data sourced from Claude AI