Orange Coneflower
Rudbeckia fulgida
- Native to:
- United States, Virgin Islands
Jerzy Opioła (Poland)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Rudbeckia
- Species:
- Rudbeckia fulgida
- USDA Symbol:
- RUFU2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug,sep,oct
- Bloom Colors:
- yellow, orange-yellow
Wildlife Benefits
- Bees:
- ★★☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★★☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
- Pollen Specialist Bee Keystone:
- ★★★★☆ Native pollen specialist bee species supported by this genus (NWF)
Reported Fauna Sightings
Bees: Ceratina Latreille Moths:Aethes angustana, American sunflower moth (Homoeosoma electella), Wavy-lined Emerald (Synchlora aerata) Butterflies:Atalopedes Scudder, Common Buckeye (Junonia coenia), Eastern Tiger Swallowtail (Papilio glaucus), Horace's Duskywing (Erynnis horatius), Painted Lady (Vanessa cardui), Pearl Crescent (Phyciodes tharos), Peck's skipper (Polites peckius), Silvery Checkerspot (Chlosyne nycteis)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, bees
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers fertile soils in its native range
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily after cold stratification; surface sow and keep moist.
Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days
Notes: Seeds require light for germination; do not cover.
Source: Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.
Where to Buy
Nationwide Seller
- Prairie Moon Nursery (nursery and seeds)
- Ernst Seeds (seeds)
- Vermont Wildflower Farm (nursery and seeds)
- Pizzo Native Plant Nursery (wholesale nursery)
- Sheffield's Seed (seeds)