Alstroemeria Tangerine Tango has been winter hardy for me since planting it several years ago. It does suffer when we have particularly bad winters and springs but always blooms. The blooms will be delayed in bad years. I've heard that Alstroemeria can become problematic in the garden due to increasing rapidly. I haven't had this problem at all. It increases, but very slowly and has yet to try and crowd out other plants. I have it planted near daylilies and so far they have coexisted without problem. I do have to stake Tangerine Tango every year but that is most likely due to the fact that it is planted on a hill and tends to want to flop down the hill.

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