My Journey with Peters 20-20-20
Alright, let’s talk about this Peters 20-20-20 stuff. Heard about it quite a bit, saw folks getting good results, so I figured, why not give it a shot myself? My plants were looking a bit sad, you know, kinda yellowish and not really pushing out new growth like I wanted.
So, the first thing I did was head down to the local garden center. Found the blue crystals easily enough. Big tub of it. Seemed straightforward. Got it home, and the next step was figuring out how much to use. The instructions are right there on the tub, pretty clear. They give you measurements, like a scoop per gallon of water, something like that.

Mixing it up:
- Grabbed my trusty old watering can. The two-gallon one.
- Read the label again. Decided to start maybe a tiny bit weaker than recommended, just to be safe. Didn’t want to burn my plants right off the bat.
- Scooped the blue crystals in.
- Filled it up with water from the hose. Stirred it around a bit with a stick until it all dissolved. The water turns blue, kinda cool actually.
Then came the feeding part. I have a mix of stuff – some flowers in pots, veggies in a raised bed, couple of houseplants that looked particularly needy. I went around and just watered them like usual, but with the blue fertilizer water instead of plain water. Made sure to soak the soil around the base, didn’t just splash the leaves.
The Routine and What Happened:
I decided to do this maybe once every two weeks. Didn’t want to overdo it. Consistency seemed key based on what I’d read.
So, week one, watered with the mix. Week two, just plain water. Week three, back to the fertilizer mix. Kept that rhythm going.
After about the second feeding, maybe three or four weeks in total, I started noticing things.
- The yellowing leaves on my houseplants? Definitely started greening up. Much deeper, richer color.
- My potted flowers seemed perkier. Maybe saw a few more buds starting than usual.
- The veggies in the bed definitely looked like they had a growth spurt. Leaves got bigger, stems looked thicker.
It wasn’t like magic overnight, don’t get me wrong. But it was a steady, noticeable improvement. The plants just looked healthier, more vigorous. Less stressed out, if that makes sense. Seemed like this balanced 20-20-20 formula gave them a good all-around boost, covering all the bases – nitrogen for green growth, phosphorus for roots and blooms, potassium for overall plant health.

Final Thoughts
Been using it pretty regularly since then, following that same basic routine. It’s easy to mix, easy to use. The plants seem to really respond well to it. Nothing too complicated, just give them a balanced meal every couple of weeks. For a general-purpose fertilizer, this Peters 20-20-20 has worked out well for me. Simple stuff, but effective. That’s my experience with it, plain and simple.