toxins

Garden myths

Kate Russell is a UCCE Master Gardener in Santa Clara county.
Latest posts by Kate Russell (see all)
Oxalic acid—you’ve heard the warnings, telling how rhubarb leaves and other plant parts that contain oxalic acid should not be eaten. But that’s not entirely accurate. Let’s learn the truth about oxalic acid in the garden. The chemistry behind oxalic acid As an acid, [...]