Sow Thistle (Sowthistle)

 Safe to Feed
  • Common Name: Sow Thistle (Sowthistle)
  • Latin Name: Sonchus spp
  • Family Name: Asteraceae/Compositae
Sowthistles are one of a number of plants that readily soak up nitrates from the soil, and in large quantities nitrates may reduce the oxygen carrying capacity of the blood.

If the Sowthistles are growing on nitrogen-rich soil (e.g. soil that has had chemical fertilisers added, or rich potting compost) then feed in small quantities only, but if grown on poor soil then they are safe to feed.
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