Merseyside,
United Kingdom 
dose an amarillas only grow once a year
On plant
amarillas
9 Feb, 2010
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Normally, yes - but occasionally, I have known people who have dried the bulb off, started it again and managed to get two lots of flowers in one year.
Whatever you do, don't cut off the leaves - let then die back naturally - as they provide the nutrients for the next flowers.
9 Feb, 2010