The little plant that could...

hey everyone, this is my first successful growing of a plant thats lived for more than a month and a half. So this year i started a little earlier by planting my seeds the last week of febuary. This little girl has gone through some tough times thanks to myself and weather. I took too long to re-plant it into a bigger pot so i'm pretty sure i stunted its growth a little (or a lot). I have also never givin it any fertilizer or nutrients of any kind, all thats in the pot is miracle grow (i know u guys hate it but it was my only choice at the time) and drinking water. Currently i noticed some of the hairs have been turning a reddish brown on the tips. My question to u guys is....would u suggest that i buy some nutrients/fertilizer to keep it growing in the veg state or is it too old for that, and it would be better to just initiate the flowering cycle? please note that i was recently laid off from my job so as a college kid i have little money left to spend on her.