Answer: Your climate isn't favorable for alliums, it's true. They're native to the steppes of Central Asia, where summers are dry and winters are cold. Yours may well be suffering from a lack of cold treatment. The soil must be well-drained for best performance, too.
Yes, these bulbs are expensive, but moving them while they are actively growing is risky. If you can dig up enough soil so you don't disturb the roots you may be able to move them without harm...but you will have a lot of containers of heavy soil to move! (How big is that U-Haul?). If you can arrange for a dear friend to dig and send them to you after they've finished growing for the season, that would be the safest option. Good luck to you!
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