Is NPK 20/20 Good For Indoor Plants?
Is NPK 20/20 Good For Indoor Plants? For example, a 20-20-20 mixture is well-balanced and is an optimal ration for feeding leafy plants without a lot of blooms. To encourage copious blooms on a plant, phosphorus is key. You’ll want to use a fertilizer with a higher amount of phosphorus, say a 10-20-10 ratio. Which