Rudbeckia speciosa
Rudbeckia speciosa
- Native to:
- Canada | ON, QC | United States | AL, AR, CT, DE, GA, IL, KY, MA, MI, MO, NJ, NY, OH, PA, VA, WI, WV | Virgin Islands
GBIF: Nathan Aaron
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Rudbeckia
- Species:
- Rudbeckia speciosa
Growth Characteristics
- Growth Habit:
- Forb/herb
- Height:
- 120 cm
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug,sep
- Bloom Colors:
- yellow, orange-yellow, brown-black center
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)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
Source: deepseek-v4-flash
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily after cold stratification; surface sow or barely cover.
Source: deepseek-v4-flash