View source for Rudbeckia hirta

{{SPlantbox
|familia=Asteraceae
|genus=Rudbeckia
|species=hirta
|Min ht metric=cm
|Temp Metric=°F
|jumpin=This is the plant information box - for information on light; water; zones; height; etc. If it is mostly empty you can help grow this page by clicking on the edit tab and filling in the blanks!
|image=Black eyed susan 20040717 110754 2.1474.jpg
|image_width=240
|image_caption=Rudbeckia hirta flowerhead
}}
'''''Rudbeckia hirta''''' ('''Black-eyed Susan''', '''Blackiehead''',  '''Brown Betty''', '''Brown Daisy''', '''Brown-eyed Susan''', '''Gloriosa Daisy''', '''Golden Jerusalem''',  '''Nigger Daisy''', '''Poorland Daisy''', '''Yellow Daisy''', '''Yellow Ox-eye Daisy''') is a [[flowering plant]] in the [[family (biology)|family]] [[Asteraceae]]. It is an upright [[annual plant|annual]] (sometimes [[biennial plant|biennial]] or [[perennial plant|perennial]]) native to most of [[North America]], and is one of a number of plants with the common name [[Black-eyed Susan]] that also has purple on the side.

The plant can reach a height of 1-2 m. It has alternate, mostly basal [[leaf|leaves]] 20-75 cm long, covered by coarse hair. It flowers from June to August, with [[inflorescence]]s measuring 10-15 cm in diameter (up to 30 cm in some [[cultivar]]s), with yellow ray florets circling a brown, domed center of disc florets.

{{Inc|
Rudbeckia hirta, Linn. Black-eyed Susan. Yellow daisy. Biennial or annual, 1-3 ft. high, simple or branched, hispid: lvs. 2-5 in. long: rays golden yellow, sometimes orange at base. Dry and open ground; common over wide range and often rather a troublesome weed.—R. conspicua, Hort., is probably only a garden form with long narrow orange-yellow ray-florets and a black disk. Var. vomerensis, Hort., differs from the type in having larger fl.-heads with broad ray-fls. which are light canary to golden yellow.
}}

Describe the plant here...

==Cultivation==


===Propagation===


===Pests and diseases===


==Varieties==
There are four [[variety (biology)|varieties]]:
*''Rudbeckia hirta'' var. ''angustifolia''. Southeastern United States (South Carolina to Texas).
*''Rudbeckia hirta'' var. ''floridana''. Florida, endemic.
*''Rudbeckia hirta'' var. ''hirta''. Northeastern United States (Maine to Alabama).
*''Rudbeckia hirta'' var. ''pulcherrima''. Widespread in most of North America (Newfoundland to British Columbia, south to Alabama and New Mexico; naturalized Washington to California).

==Gallery==
<gallery perrow=5>
Image:Rudbeckiahirta1web.jpg|[[Inflorescence]] and [[involucral bract]]s
Image:Rudbeckia hirta Indian summer.JPG|''Rudbeckia hirta'' 'Indian summer'                                                                    
Image:Rudbeckia hirta Indian Summer.JPG|''Rudbeckia hirta'' 'Indian summer'
Image:DSCF0790.JPG|''Rudbeckia hirta'' in southern Maine.
Image:Upload.png| photo 1
</gallery>

==References==
<references/>
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->

==External links==
*{{wplink}}

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