They are also very sensitive to drought while in growth, and need magnesium and food. The danger time is damp when they start to turn dormant. That is when warm humidity causes pathogenic infections. Deep planting can help to protect the bulb. It is important to remember that they are mountain plants. Leaf mould is very good for them in my conditions, topped with gravel for insulation. Peter (UK) On 19 March 2016 at 21:41, Diane Whitehead <voltaire@islandnet.com> wrote: > That doesn't work for me. I have sandy soil, and am blessed with only a > few rainshowers between May and October, and reticulatas won't grow. > (Neither will those pretty little corydalis). I don't buy from big box > stores. I bought them directly from Alan McMurtrie. > > >