
Rudbeckia speciosa wenderoth
Showy coneflower
Rudbeckie voyante
No seeds available for this plant.
We are not accepting seeds for this plant at the moment.
Bloom colour: Yellow
Bloom period: August - October
Max Height: 2.0 feet
Max Width: 2.0 feet (spreads by rhizome)
Light condition:
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolerates dry soil condition
Tolerates medium soil condition
Lifespan : Perennial
Gardener Experience:
Does not spread uncontrollably
Easy to germinate
Landscape uses:
Suitable for shoreline rehabilitation
Suitable for container garden
Suitable for school gardens
Ecological Benefits:
Supports pollinators
Bee host
Tolerates:
Tolerates juglone conditions
Tolerates transplantation
Butterflies Supported by Rudbeckia speciosa wenderoth
No butterfly data available for this plant.
Bees Supported by Rudbeckia speciosa wenderoth
- Andrena aliciae
- Andrena rudbeckiae
- Complexe Colletes americanus
- Complexe Colletes compactus
- Megachile inimica
- Megachile pugnata
- Melissodes agilis
- Melissodes illatus
- Melissodes subillatus
- Melissodes trinodis
- Protandrena andrenoides
Complementary Plants Plants that grow in similar conditions, that bloom at the same time.
- No complementary plants found.
Sowing Information
- Sowing depth: Surface sow
- Sow before March
- Stratification duration: 30 days
- Self-seeding
Harvesting Information
- Harvesting indicator: Seeds are dark and dry, and easily fall off when you gently pull them off
- Harvesting mean: Cut top edge then shake seeds off in bag or container with rock or equivalent
- Seed Viability Test: No test needed before donating
- Packaging Measure: 1 rounded 1/8 teaspoon
- Seed Storage: Air Dry in paper bag or open container, for a few days until crisp, shaking seeds to move them once in a while to prevent molding
- On Cultivar: No, you can donate without knowing the source as there are only straight species