Black-eyed Susan
Rudbeckia hirta
Black-eyed Susan (Rudbeckia hirta) is a Colorado-native perennial suited to the Colorado Front Range. It matures to about 24 in tall and 7 in wide, needs low water, and prefers full sun. CO native perennial; supports pollinators.
Colorado nativelow water24 in tall and 7 in wideXeric / water-wiseDeer-resistant
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At a glance
- Botanical name
- Rudbeckia hirta
- Type
- Perennial
- Mature size
- 24 in tall and 7 in wide
- Water needs
- low water
- Sun
- full sun
- Colorado native
- Yes
- Foliage
- Deciduous
- Soil
- clay, loam, sandy
- Soil pH
- 6.5–8.0
- Hail tolerance
- high
- Wind tolerance
- high
- Salt tolerance
- moderate
- Bloom color
- yellow, brown
- Bloom time
- mid summer, late summer, early fall
- Pollinator value
- high
- Good for
- slope
Planting & establishment
Native perennial; deep-water first season to establish, then minimal water needed.
Frequently asked questions
- Is Black-eyed Susan good for the Colorado Front Range?
- Yes. Black-eyed Susan is included in the Front Range Plant Finder as a perennial suited to Colorado's Front Range.
- How big does Black-eyed Susan get?
- It matures to about 24 in tall and 7 in wide.
- How much water does Black-eyed Susan need?
- It needs low water once established.
- Is Black-eyed Susan native to Colorado?
- Yes — it is a Colorado native.