Tigridia bulbs in the supermarkets. A tour of the Windy City last week (I mean Plymouth, not Chicago) revealed several cacomitl suppliers with an abundance of bulbs on their shelves; fool that I am, I succumbed. I notice that some quite serious price inflation has occurred: last year 20 bulbs cost £1.98, whereas 2013 prices have reached the dizzying heights of £2. All the more reason to grow your own.
ahipa growers. The most effective way to do this would be to chop off the flower stalks as they emerge, but there is something so preposterously defiant and beautiful about the flowers, that I will delay decapitation until they've faded. I may have once claimed that the heart doesn't crave flowers when the belly lacks bulbs, but I seem to be mellowing in my dotage.
*Try telling that to the creeping buttercups.