Is this flowering?

First time grower. This is a Blueberry plant. It just shy of 3 weeks. Growing indoors. It seems to have been doing well, but this growth happened over the past couple of days. Am I being paranoid?

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This is my ww auto at end of 3rd week today I’m new to the auto game but we got at least 2 more weeks till flower I hope I hear they shock easy this thing growers itself all I use is 3 month miracle grow and water mon -wends-Friday 1-400led and good air
Yours looks healthy just give it time
Lots of good info here

I’m growing this one after doing research on the easy to grow and this is in my opinion the best