Annual
Neither its open
according to me it is biennial.
what are examples of biennial weeds
Istanbul Biennial was created in 1987.
Singapore Biennial Games was created in 2010.
Yes. http://en.wikipedia.org/wiki/Biennial_plant
Cabbage is a biennial plant that is grown as if it was an annual (as are carrots).
A biennial plant flowers every two years
The word Biennial means Every two years
The adjective "biennial" means done or occurring every 2 years. (biannual means twice a year)
triennial