Show TO DESTROY CANADA THISTLE first step in eradication of this weed Is to prevent all plants from going to seed the canada thistle is a perennial aich rouges ranges from one to three feet fee t in height the flower heads tire anro rose purple in color A alte feathery tuft of hair Is att attached sched to the mature seed 1 aich aids in its distribution rho rhe plant flo flowers Ners from june to september but duall illi matures in july jul tho the first firs step in the eradication of this is to present nil all plants from going to 4 aa I 1 canada thistle flowering top of the plant and the underground system eced it II is often necessary ner ne essary to go into grain fields in with ith a tile and cut this need eed out to prevent it from seeding before the main crop is cut plow PION the land as soon ts 13 the crop of train grain I 1 is removed then ceplon late in the tall fall ing all roots possible exposed k three scar rotation ot of bailen cloi clover cir corn or other cultivated crop 1 bo be pr practiced aced |