It’s also tricky to overfeed with a potassium mixture. Although using Uncle John’s Blend Growing Additive is only necessary twice a week, many marijuana growers report using it more often without any issue.
We don’t recommend this product to anyone trying to specifically increase their yield, bud growth, bud size, or potency. The 13Essentials formula is purely to ensure your plants are getting a large volume and variety of both macronutrients and micronutrients.
There’s not much we dislike about Fox Farm. The price is right, the advanced nutrients are stable, and the formulas are simple. If there was anything to nitpick at, it’s that many first-time growers don’t know when to switch from one stage to another.
This is an organic plant fertilizer designed specifically to use on cannabis plants in the flowering phase. It contains all the ingredients required for plants to thrive in all growth stages. However, it’s purposefully designed to work well with plants while they are flowering. Like a lot of the fertilizers on this list, it contains fish meal, earth worm castings, and bat guano and other natural ingredients that provide a wide range of beneficial microbes and plant food for your weed vegetation.
Every cannabis plant needs the following to survive:
Getting your plants to take root properly is a frustration that many growers share. The root stimulator is the biggest win from this formula.
The soil you use when growing cannabis might be the foundation of your plants, the soil you use only works as well as the fertilizer you’re using within it. The fertilizer and nutrients you use to nourish your plants are vital to the health of your plants and will directly affect your plant’s potency.
This Maxicrop plant food is formulated from the premium seaweed reaped from the Norwegian coastline. An ingredient that you don’t see very often, but that cannabis seeds thrive off. According to the manufacturer, this supplement has a 17% soluble potash that is suitable for grow rooms containing weed and other houseplants.
The application is super easy. Just add the formula to your desired volume of water, then agitate the water until the formula is dissolved.
If you're growing your own legal cannabis, you don't want to get this wrong. Read to find out what's the best nutrients and fertilizer for cannabis.