I started growin my shit a while bak. Well now I go out thrr and thrr is about 50 plants and I only plantd like 4 seeds. My friend told me that the others wrr jus weeds and shit like that its not actual marajuana. They hav lil yello flowrs on the very top of it. I planted them about a week and a half ago and they r bout to my knees. Please ne help of whether this is marajuana or not LOL let me kno.