






🌱 Unlock the secret to unstoppable plant glow-up!
MARPHYL Organic Liquid Fertilizer harnesses nutrient-dense marine phytoplankton to deliver a potent, all-purpose plant food that revitalizes indoor and outdoor plants. This water-soluble formula is rich in nitrogen, potassium, phosphorus, essential fatty acids, and a broad spectrum of vitamins and minerals, promoting rapid growth and vibrant blooms. Sustainably harvested, vegan, and non-toxic, it’s designed for easy use across gardens, lawns, hydroponics, and houseplants, making it the go-to choice for millennial plant enthusiasts seeking natural, effective, and eco-friendly plant care.














| Best Sellers Rank | #1,933 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #85 in Garden Fertilizers |
| Customer Reviews | 4.4 out of 5 stars 12,880 Reviews |
K**E
AMAZING. brought new life to my plants.
I am not one to usually buy new products for my plants. I have in the past, and it has bit me in the behind. Sometimes trying new products does more harm than good for my plants, but I needed to try something new after my birds of paradise was constantly infested with mites. My plants always struggle in the spring/summer as I live on the southern coast, so I wanted to see if I could find a more natural, unique alternative to more mainstream fertilizers/plant food. I decided to try this product out after doing a good amount of research and reading through other reviews, and I am so glad that I did. I decided to try this on all of my plants on my balcony, and within just a few days of using this product for the first time, all of my plants started spreading new growth for the first time in a long time. One of my cactuses that I’ve had for years bloomed for the first time after using this, and my birds of paradise sprouted new growth for the first time since the mites were under control. The packaging is nice, and has lasted me for several months given that it needs to be diluted with water. The smell is definitely something else, so I would recommend using this product in outdoor settings only, or taking your plants outside to use it. However, I can absolutely get past the smell given how well this stuff worked for my plants. as long as you are diluting this product correctly, and your plants are outside with drainage, you can drown them in this stuff. I believe the instructions say you can use it up to every two weeks, but I only feel the need to use it once every other month. it has brought new life back to my plants which have endlessly suffered in the Florida heat. I would absolutely recommend giving this a try. I will be buying again.
N**Z
Good quality Fertilizer
This product is easy to use and works great. Always comes well packaged no leaks. I’ve been using the product consistently for about a year and plants that I had for a while bloomed within two months of using this product consistently. I wasn’t even aware pink Chinese evergreens bloomed until after using this product. I use 5gal water container and pour an entire 18oz(I think could be 20oz but can’t go back and look while reviewing on the phone my bad)and that’s what I use for every watering. It works for my plants and has t killed anything so far.
A**R
My plant experiences!
Background: I have about 90 houseplants. Nothing out of this world, very normal houseplants. A lot of pothos, philadandrons, dracaena, sansaveiras, some herbs, tradescantias, a few succulents, etc. I mention this because I know some people have rare plants, I do not. I know a lot of people might have similar stuff as me, which is why I find it important to mention 1: the smell. Yeah, it's yucky, but honestly you only notice it right after you shake and open and SMELL it. It goes away so fast that it doesn't bother me. Neem oil smells way worse. Please don't let this be a buying factor. 2: it works! But not an all plants. Which is why I'm giving it 4 stars. Though it's a bit silly of me to expect something to work for all plants. That's kind of impossible. Plants have different fertilizer needs. 3: plants that love it: my pothos, philadandrons, alocacias, herbs, string of hearts, dracaenas, umbrella plant, fittonias, tradescantias, boston fern & hypoestes, . In each category, I have several varieties or a few of each. It's already fall and growth has slowed down. But I noticed my pothos perk up and get bushier rather quickly. Noticed a bunch of growth at the base of some plants, not just leaf growth or length. They seem to be perkier, happier and not as droopy. My alocacia has zero growth and I thought I was going to lose are her leaves, but she sprouted a new one. My herbs ARE GROWING LIKE CRAZY. I had a rubber tree that I thought was dying as a few stumps had been pruned and were dead. I haven't noticed new leaves but it's taller. But most importantly, my poor diffenbachias. Have 2 of them. They hate my apt. I thought they were for sure goners. Moved them, changed soil, all that you do. Used this, and 1 of them has 4 new leaves coming in. This was considering I was losing leaves everyday with no new growth. I will definitely keep up a routine with this product on these plants! 4: plants that don't seem to care: succulents. I have not seen any change. Nothing good, nothing bad. Nothing with my sansevieras either. Maybe its because they need such little care and little to no water at the moment. Also Hoyas, not sure yet if this helped. My hindu rope is small and wasn't doing well and now she is. But I don't know if its because my care improved or it was this. Up for debate still. 5: lastly, plants that hated this: this is partially my fault because I should have known better. These are finicky anyway and aren't fertilizer lovers. But I got too excited and carried away. CALATHEAS: DO NOT USE THIS ON THEM. Mine were growing and doing very well and after this, the very next day the leaves were curled up and dry and almost gone. I should have known and didn't listen to myself. Also, my purple passion. Almost killed her. Same thing, thriving one moment, almost gone the next. Sorry for the long review, but this experience and I think its important for us plant lovers to share our experiences with each other. Not all plants are the same and they all like different things. But man, I liked this product. And I know which plants I'll continue to use it on and which ones to never give it to. I'll probably update my review as I continue to use this. Will definitely be purchasing again once I run out. 1 capful to 1 cup of water isn't much but it it'll go faster when you have tons of plants!
S**E
Vegan and wonderful!
Have been using this product for more than 3 years and it keeps my Holy basil/ Tulsi/ Tulasi plants thrive indoors through the harsh and cold winters.
P**9
Marphyll is a Great fertilizer for sun and heat-beaten vegetable garden and flowers
My back yard transition from little grass and big weeds plus 6 worthless cedar trees was completed around March 1st. New plantings all in early March. I did not realize that the landscaper did not add any nutrients to the soil, only the potting soil plants arrived in. The Pride of Barbados (pretty red and yellow flowers) were about 8" tall, the Elephant Ears were about 15" tall and several of the leaves were torn by hail and/or transport. Herbs and vegetables were planted in composted and fertilized organic raised bed soil and hardly grew an inch. I watered as recommended, and we had an uncharacteristic rainy month of May. Someone turned the heat on in early June (still on). Within 4 days of first fertilization with Marphyll, everything started to perk up, and about 6 weeks later these beautiful flowers are flourishing and the hummiongbirds love them. Everyone's veggies in South Texas back yards are finished by the end of June, but the herbs are still doing great. I used a 2 gallon watering can with a 20:1 mix of the liquid Marphyll. Everything got 1-2 cups (no, I didn't measure) followed be a big dose of water from the hose wielded by 9 year old grandson. Per instructions, we are doing this every 2 weeks. It's not difficult, but a bit tedious because I have a lot of plants. The odor is what you'd expect from a product dug up from the bottom of the ocean, fish poop and all. It is expensive, but seems worth it in my situation. Just purchased another batch.
A**R
Mix carefully to avoid burning your plants
Why did you pick this product vs others?: This is very nutritious for the plants and it does work, but the ratio of mixing it is kind of hard to decipher, so we burned quite a few plants in a learning curve. I'd rather buy something else that is more explicit on instructions: meaning, good for your plants not murdering them. That's so wasteful.
M**X
Best fertilizer for houseplants!
Some reviews claim the smell of this product is too strong. It's not that bad at all and the odor doesn't linger after use. My monsteras produce so many new leaves when fed this product! So much height and fullness! I highly recommend this product. It was recommended to me by a master gardener for my houseplants and I'm so impressed by the results!
T**M
Reordered
Vegan! No dead fish in this! My plants seem to like it. Was a reorder for me.
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