Gloriosa Daisy, Black-eyed Susan

Gloriosa Daisy, Black-eyed Susan

Rudbeckia hirta

A native black-eyed Susan with cheerful daisy-like blooms that naturalizes well in sunny borders and meadow plantings.

  • Biennial or short-lived perennial
  • Pale daisy-like flowers with golden petals surround a central dark cone
  • Rough hairy mid-green lance-shaped leaves, 10 cm long
  • Stem leaves are usually narrower and shorter than the species
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Well-drained, Moist, Dry, Average
Drought Tolerant
✓
Hardiness Zone
4 – 4
Mature Height (meters)
0.6 – 0.7
Mature Spread (meters)
0.4 – 0.6
Growth Rate
Fast
Flower Colour
Yellow
Foliage Colour
Green
Bloom Time
SummerFall
Habit
Upright
Deer Resistant
✓
Rabbit Resistant
✓
Pollinator Friendly
✓
Attracts Birds
✓
Ontario Native
✓
Landscape Uses
Border, Mass planting, Accent
Growing & Maintenance Tips
A biennial, it is a very prolific seeder and flowers from the first-year's germination. Grows best in an average to dry, well-drained soil, in full sun to partial shade. Deadheading will help with overall appearance but is not necessary for extending bloom times. Tolerates hot and humid summers and has a good tolerance to drought. Leaving finished flowers will provide both winter interest and food for birds.
Notes
Native to Ontario

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