Rudbeckia hirta


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Taxonomy (4)

Classification: Angiosperm, dicot
Family: Asteraceae
Common name: Black-eyed Susan


General Information (1,2,3,4)

Region of Origin: North America
USDA Plants Hardiness Zones: 3-10
Growth Habit: Herb

  • Size: 2-3 feet
  • Flowering: Late summer to fall

Diagnostic Characteristics

Inflorescence (2,4)

  • Color: Yellow (Ray flowers), Brown (Disk flowers)
  • Size: 2-3 inches
  • Inflorescence type: Head

Horticultural Information (1,3,4)

  • Light: Full sun to partial shade
  • Soil type: Clay, loam, silt
  • pH: 5.5-6.5
  • Maintenance: Easy to care for
  • Landscape Uses: Borders, gardens

Interesting Phenomenon on VSU Campus

blackeyedsusanphenomenon1blackeyedsusanphenomenon2blackeyedsusanphenomenon3blackeyedsusanphenomenon4

(Photos by Jessica Bartek)


References

1) http://www.monrovia.com/plant-catalog/plants/2096/goldsturm-black-eyed-susan.php
2) http://www.almanac.com/plant/black-eyed-susans
3) http://www.gardenality.com/Plants/44/Wildflowers/Black-Eyed-Susan.html#Tab=Overview
4) http://www.floridata.com/ref/r/rudb_hir.cfm


Prepared by Phillip Lowe as a course requirement for BIOL 3630/5630, Spring 2013
Edited by Jessica Bartek