▁Category : Comm unes ▁of ▁Bas - R hin ▁Category : Bas - R hin ▁communes ▁articles ▁need ing ▁translation ▁from ▁French ▁Wikipedia <0x0A> </s> ▁A ▁we ed ▁of ▁cultiv ation ▁is ▁any ▁plant ▁that ▁is ▁well - ada pt ed ▁to ▁environments ▁in ▁which ▁land ▁is ▁ ▁cultiv ated ▁for ▁growing ▁some ▁other ▁plant . ▁▁ ▁Many ▁are ▁quite ▁special ised ▁and ▁can ▁only ▁th rive ▁and ▁reproduce ▁where ▁the ▁ground ▁has ▁been ▁broken ▁by ▁pl ough ▁or ▁sp ade . ▁They ▁are ▁invari ably ▁annual ▁and ▁reprodu ction ▁is ▁by ▁seed ▁alone , ▁which ▁can ▁in ▁many ▁species ▁lie ▁d orm ant ▁for ▁years ▁in ▁the ▁soil ▁until ▁brought ▁to ▁the ▁surface ▁during ▁cultiv ation . ▁They ▁have ▁fast ▁reprodu ction ▁cycles , ▁usually ▁in ▁one ▁year ▁from ▁seed ▁to ▁seed , ▁though ▁some ▁species ▁can ▁have ▁more ▁than ▁one ▁generation ▁in ▁one ▁season . ▁A ▁few ▁species ▁such ▁as ▁ground sel ▁( S ene cio ▁vul gar is ), ▁she ph erd ' s ▁pur se ▁( C aps ella ▁b urs a - p ast oris ), ▁red ▁dead nett le ▁( L am ium ▁pur p ure um ) ▁and ▁ch ick we ed ▁( St ell aria ▁media ) ▁can ▁surv ive ▁un har med ▁through ▁very ▁cold ▁weather ▁and ▁are ▁often ▁able ▁to ▁seed ▁even ▁in ▁winter . ▁ ▁See ▁also ▁ ▁C rop ▁we ed ▁ ▁References ▁ ▁Category : A gr onomy ▁Category : H ort icult ure ▁and ▁garden ing <0x0A> </s> ▁St