What Is a Weed? Not everyone agrees on which plants are weeds, or what to do about them. Not all weeds need to be eradicated.
They are common weeds of roadsides, fence rows ... Spikelets are nodding, slender 3/8 to 3/4 inch long. Awns are 3/8 to 5/8 inch long, usually purplish at maturity. Downy brome was introduced from the ...
Lamb’s quarters, on the other hand, is more common in phosphorous deficient soils, and thus may indicate a problem. Dandelions do poorly in soils low in potassium. Other weeds, such as foxtail barley, ...