Table 15. Nutrient Value Of Assorted Weeds1

Nutrients, Lbs/Ton Dry Weight
NP2O5K2OCa
Carrot, Wild (Daucus carota)331284
Chickweed (Stellaria media)773422028
Corn flower (Centaurea cyanus)46163944
Crab grass (Digitaria sanguinalis)381893
Daisy, Ox-eye (Chrysanthemum leucanthemum)42958
Dandelion (Taraxieum officinale)57
Flax, Toad (Linaria vulgaris)371346
Foxtail grass (Setaria glauca)351590
Goldenrod (Solidago juncea)25832
Lady's Thumb (Polygonum persicaria)62236271
Lamb's Quarters (Chenopodium album)802721852
Lettuce, Wild (Lactuca canadensis)21944
Mallow (Malva rotundifolia)80
Morning Glory (Convolvulus arvensis)72199427
Mustard (Brassica sp.)50
Pigweed (Amaranthus retroflexus)85
Purslane (Portulaca oleracca)84
Radish, Wild (Raphanus raphanistrum)37162626
Ragweed (Ambrosia artemisaefolia)27836
Sedge, Broom (Andropogon scoparius)16414
Sorrel (Rumex acetosella)24438
Stickweed (Aster lateriflorus)381232
Thistle, Canada (Carduus arvense)54138276
Thistle, Sow (Sonchus oleraccus)562012635
Yarrow (Achillea millefolium)40146155
Average49157546

1 Data is from [67].   [return to top]

© 2013 Robert Parnes

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