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Rudbeckia triloba

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Names

Common Names
Brown-Eyed Susan, Thin-Leaved Coneflower

Growth

Height
3-4 feet
Spread
18-24 inches
Growth Rate
Moderate

Appearance

Bloom Color
Yellow
Foliage Color
Green to dark green.
Fall Foliage Color
Green

Environment

Hardiness Zones
Zones 4-8
Sunlight Requirements
Ideally full Sun to Partial Shade (at least 3 hours of direct sunlight) according to sources
Soil Type
Moist, well-drained loamy soil with average fertility
Soil Drainage
Well-drained soil, loamy preferred, prefers moist conditions but tolerates occasional dryness.
Soil pH
6.0-8.0, tolerant of acidic to alkaline soils

Lifecycle

Lifecycle
Biennial, Perennial
Leaf Lifecycle
Deciduous
Seasons of Interest
Summer and Fall
Bloom Time
Summer and Fall

Wildlife

Attracts Wildlife
Bees, butterflies, and other pollinators attracted, Hummingbirds: not specified, Birds: seeds eaten by songbirds, especially American Goldfinches, in fall

References

Taxonomy

Taxonomic Rank
Species
Author
L.
Publication
Sp. Pl. : 907 (1753)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Asterales
Family
Asteraceae
Subfamily
Asteroideae
Tribe
Heliantheae
Subtribe
Rudbeckiinae
Genus
Rudbeckia

Inferior Taxa

Rudbeckia triloba var. rupestris Rudbeckia triloba var. triloba Rudbeckia triloba var. pinnatiloba

Synonyms

Rudbeckia beadlei Rudbeckia triloba var. beadlei Centrocarpha aristata Centrocarpha triloba

References

Taxonomic data from World Flora Online, accessed June 20, 2024

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