Rattlesnakeweed

Hieracium venosum

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Hieracium
Species:
Hieracium venosum
USDA Symbol:
HIVE

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Part Shade,Shade
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

eryngo borer moth (Papaipema eryngii)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Tolerates fire well and resprouts from basal rosette; common in fire-maintained oak-pine woodlands.

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, rocky or sandy areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds require light for germination; surface sow and do not cover.

The above propagation data sourced from Claude AI