dont know about hydro but i think the minimum age for flowering is when youve veged for 30 days you can wait longer or just switch to 12/12 to start flowering
hempsmoker25 Reviewed by hempsmoker25 on . When should flowering stage start? Around how big or what signs should I see in order to know it's time for the flowering stage. And when it comes about... when I switch my nutes (hydro) do I flush them of the veg nutes first and then switch to the flowering nutes... or can I go right into the flowering nutes? Rating: 5