I have bough Ixia corms (bulbs? whatever) three times. Twice I planted them in my garden. Nothing ever emerged from the soil. There was never any sign that I had planted anything there. Once I planted them in a large pot with some lilies and a daylily. The lilies are blooming today. The daylily is growing well although not blooming yet. But the ixia... they are about 1 foot high and look healthy but there is no indication that any bud will ever appear. And some of the leaves are turning black at the tips which tells me that they plants are reaching the end of this year's life span. This has happened for about three years now. Never any blooms. Does anyone know what I might be doing wrong?