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{{Taxobox
| color = lightgreen
| name = Johnson Grass
| image = Soha 001 lvd.jpg
| image_width = 240px
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Liliopsida]]
| ordo = [[Cyperales]]
| familia = [[Poaceae]]
| genus = ''[[Sorghum]]''
| species = '''''S. halepense'''''
| binomial = ''Sorghum halepense''
| binomial_authority = Pers.
}}
'''Johnson grass''' (''Sorghum halepense'') is a [[grass]] of the [[sorghum]] family. It is native to the [[Mediterranean]] region, but grows throughout [[Europe]] and the [[Middle East]]. The plant and has been introduced to all continents except Antarctica and most larger islands and archipeligo. It reproduces by [[rhizome]]s and seeds.
Johnson grass has been used for [[forage]] and to stop [[erosion]], but it is often considered a [[weed]] for the following reasons:
1. Foliage that becomes wilted from frost or hot dry weather can contain sufficient amounts of prussic acid to kill cattle and horses if it is eaten in quantity.
2. The foliage can cause 'bloat' in such herbivores from the accumulation of excessive nitrates; otherwise, it is edible.
3. It grows and spreads so quickly that it can 'choke out' other cash crops that have been planted by farmers.
==External links==
*[http://plants.usda.gov/java/profile?symbol=SOHA Johnson grass - US Department of Agriculture]
*[http://www.lib.ksu.edu/wildflower/johnsongrass.html Kansas Wildflowers and Grasses - Johnson grass page. Includes photos.]
[[Category:Grasses]]
[[Category:Forages]]
| color = lightgreen
| name = Johnson Grass
| image = Soha 001 lvd.jpg
| image_width = 240px
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Liliopsida]]
| ordo = [[Cyperales]]
| familia = [[Poaceae]]
| genus = ''[[Sorghum]]''
| species = '''''S. halepense'''''
| binomial = ''Sorghum halepense''
| binomial_authority = Pers.
}}
'''Johnson grass''' (''Sorghum halepense'') is a [[grass]] of the [[sorghum]] family. It is native to the [[Mediterranean]] region, but grows throughout [[Europe]] and the [[Middle East]]. The plant and has been introduced to all continents except Antarctica and most larger islands and archipeligo. It reproduces by [[rhizome]]s and seeds.
Johnson grass has been used for [[forage]] and to stop [[erosion]], but it is often considered a [[weed]] for the following reasons:
1. Foliage that becomes wilted from frost or hot dry weather can contain sufficient amounts of prussic acid to kill cattle and horses if it is eaten in quantity.
2. The foliage can cause 'bloat' in such herbivores from the accumulation of excessive nitrates; otherwise, it is edible.
3. It grows and spreads so quickly that it can 'choke out' other cash crops that have been planted by farmers.
==External links==
*[http://plants.usda.gov/java/profile?symbol=SOHA Johnson grass - US Department of Agriculture]
*[http://www.lib.ksu.edu/wildflower/johnsongrass.html Kansas Wildflowers and Grasses - Johnson grass page. Includes photos.]
[[Category:Grasses]]
[[Category:Forages]]