Lycoris, at least the autumn-flowering species, grow well under mediterranean conditions, needing little or no watering even in long dry summers, and enjoying a hot rest in summer. We have three species in our Greek garden. All three flower at the end of summer, as the ground cools with the first rains. The flowering stems emerge very suddenly from the previously baked ground, growing to flower in a matter of days - the rate of growth is quite spectacular. All these three have increased well in our garden, but we don't get seed (possibly because tidy-minded Eleftheria who looks after the garden in our absence cleans the stalks away when the flowers have faded - I also grow L. aurea under glass in the UK, and do get seed).
Lycoris aurea is as John says a very bright yellow, slightly orange perhaps:
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A gentler yellow, with rather more elegant wavy-edged sepals, is Lycoris shaanxiensis:
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In our mediterranean conditions the good red Lycoris radiata flowers reliably too:
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