The plant's too damn big!

I planted this Cropical Fruit autoflower expecting it to get no more than 18" high, since the last time I grew one of these (outdoors, in Northern California) it was a midget.

This one, though, is now about 2 and a half feet tall and I have run out of ceiling height to raise the light any more. The light is a nominal 450W LED which runs pretty cool, but I'm worried about burning the central cola or maybe worse, damaging it by trimming or training.

Suggestions?

876434
 
Next plant, move your light closer to the plant when it is smaller. It is stretched. If you want short plants, you need to move the light closer so it doesn't need to reach for the light.
 
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