Margins first
Nutrient burn: brown tips and edges from too much feed
Brown, crispy tips or edges after a stronger feed may be nutrient burn, but other problems look the same. Test before you…
Hemp russet mites: the pest you can’t see
Upward-curling leaf edges and a dull, bronzed look, with no webbing and no bugs you can find, may mean russet mites. They're…