- Barnyard Grass: Low calcium, low phosphorus
- Beggars ticks: overly moist soil, possibly poor drainage, low calcium, phosphorus, humus, bacteria, poor decay, high phosphate, magnesium, aluminum.
- Hedge bindweed: Improper decay of organic matter, excess of heavy metals, low calcium, phosphorus, potassium, pH.
- Burdock: High iron and or aluminum, low pH, low calcium.
- Carpetweed: Good calcium, balanced soil.
- Chickweed: Good organic matter on soil surface.
- Crabgrass: Low calcium.
- Dandelion: Low calcium.
- Curly dock: Acid soil, poor aeration and or drainage, low calcium, high selenium, magnesium, phosphates, chlorine.
- Giant foxtail: Compacted soil, low calcium, high magnesium.
- Jimsonweed: Improperly decaying organic matter, low calcium.
- Johnson grass: Low calcium, compaction, poor decay.
- Lambsquarters: A sign of healthy balanced soil.
- Prickly lettuce: Low microbial activity, hardpan, crust, low pH, low calcium
- Morning Glory: Low calcium, low phosphate
- Mullein: Low calcium, low phosphate.
- Nightshade: Low calcium, very low phosphate, very high magnesium and potassium.
- Horsenettle: Poor decay, low aeration, hardpan, low calcium, very high magnesium and potassium.
- Mustards: Poor drainage, compressed soils, poor aeration, low calcium.
- Pigweed: Well balanced soil, but may be slighltly low in calcium.
- Plantain: Low organic matter, poor decay, low calcium.
- Purslane: Very high potassium, magnesium, iron, and copper. Low calcium, phosphate.
- Ragweed: Low moisture, low calcium, phosphate.
- Smartweed: Low calcium.
- Sorrel: Low pH, poor decay.
- Spurge: Low organic matter, poor decay, poor aeration, low calcium, phosphate, high potassium, magnesium, salt.
- Thistle: Low manganese, low calcium.
- Velvetleaf: Poor decay, low calcium, phosphorus, high potassium, magnesium.
- Wild onion: Poor decay, low calcium.
So remember, before you pull, think about what those weeds say about your soil!
