Species Rudbeckia hirta | Known

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Is Rudbeckia hirta growing in your garden? Record it and all of your plants in Known.

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Names

Common Names: Black-Eyed Susan, Gloriosa Daisy, Coneflower, Mexican Hat

Growth

Height: 12-36 inches
Spread: 18-24 inches
Growth Rate: Moderate to fast growing

Appearance

Bloom Color: Yellow
Foliage Color: Green

Environment

Hardiness Zones: Zones 3-9
Sunlight Requirements: Ideally full sun to partial shade.
Soil Type: Moist, well-drained soil (clay, loam, or sand), preferably organic.
Soil Drainage: Moist, well-drained soil.
Soil pH: 6-8 Mildly acidic to mildly alkaline soils

Lifecycle

Lifecycle: Annual---------------------------------------- Biennial---------------------------------------- Short-lived perennial
Leaf Lifecycle: Deciduous
Seasons of Interest: Spring, Summer, and Fall
Bloom Time: Spring to Fall

Wildlife

Attracts Wildlife: Attracts bees and butterflies---------------------------------------- Hummingbirds — not mentioned---------------------------------------- Attracts other pollinators---------------------------------------- Attracts birds

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 hirta var. pulcherrima Rudbeckia hirta var. angustifolia Rudbeckia hirta var. hirta Rudbeckia hirta var. floridana

Synonyms

Coreopsis hirta Rudbeckia hirta f. hirta Helianthus hirtus Rudbeckia serotina Centrocarpha gracilis Centrocarpha hirta

References

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