Browneyed Susan
Rudbeckia triloba
- Native to:
- United States, Virgin Islands
b:User:SBJohnny (en.wikibooks.org)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Rudbeckia
- Species:
- Rudbeckia triloba
- USDA Symbol:
- RUTR2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 150 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug,sep,oct
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★★☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★★☆☆ Documented Lepidoptera association (GBIF)
- Hummingbirds:
- ★☆☆☆☆ Documented hummingbird visits (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, Common eastern bumble bee (Bombus impatiens), Zadontomerus Ashmead Hummingbirds: Allen's Hummingbird (Selasphorus sasin) Butterflies:Atalopedes Scudder, Gray Hairstreak (Strymon melinus), Julia butterfly (Dione vanillae), Pearl Crescent (Phyciodes tharos)
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:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers moist, fertile environments
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: None required
Establishment: The protocol does not provide specific information on propagation source, pre-treatment, establishment protocol, temperature, germination rate, or germination time for Alopecurus alpinus.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 4C.
Where to Buy
Nationwide Seller
- North Creek Nurseries (nursery)
- Prairie Moon Nursery (nursery and seeds)
- Ernst Seeds (seeds)
- Wild Seed Project (seeds)
- Vermont Wildflower Farm (nursery and seeds)
- Native Plants Nursery (nursery)
- Pizzo Native Plant Nursery (wholesale nursery)
- Native Plants Nursery (nursery)