7 nodes 1 month

so my 3 oldest outdoor (in 1 gal pot) plants are exactly a month old now and have 7 nodes so far they look nice and healthy and are about 7' tall. is this normal because im worried they might flower too early. i started them out in little 10 ounce cups and transplanted them to 1 gals when the roots hit the bottom of the cups. what do i do?
 
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