Well that someone probably never tried it ;)
You can stil take one of them inside and put it under a light. Now that they are flowering, if you reveg it, you'll learn a new technique called monstercropping. The plant that is already forming buds and grow calyxes will grow a branch out of each calyx when reveged and have mad branching. This way you'll have tons of cuts for the next season. All you need is a small lamp and a timer set to light cycle same as let's say june 1. This way you keep them in veg and they are already synchronized with the outdoor cycle. I kept a small plant in veg for almost six months. I did put it on the window sil now and then.
Here's the reveged cut. You can stil see white pistils and trichs on those older leaves
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That's the same plant completely reveged
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Since you don't have any indoor setup this can keep you busy in winter months and it's fun also :D