Hero image 0 of MARPHYL Organic Liquid All Purpose Fertilizer – Indoor & Outdoor Plants, 16.9 oz, 0 of 7
MARPHYL Organic Liquid All Purpose Fertilizer – Indoor & Outdoor Plants, 16.9 oz
Key item features
- Superior Plant Food: MARPHYL Marine Phytoplankton is ideal for both indoor and outdoor plants, enhancing soil quality and promoting vibrant blooms.
- Rich Nutrients: Packed with vitamins, minerals, essential fatty acids, DHA, EPA, amino acids, and chlorophyll for optimal plant health.
- Organic & Sustainable: 100% natural, vegan, non-toxic, non-GMO, and preservative-free, making it safe for vegetable gardening, groundwater, and pets.
- Miraculous Benefits: High in potassium, nitrogen, phosphorus, calcium, and magnesium, ensuring lush foliage and healthy plants.
- Easy Application: Mix a 1:20 ratio with water, stir, and pour onto plants. Recommended use is every two weeks for noticeable results.
- Product Volume: 16.9 oz of liquid fertilizer, perfect for regular use in gardens, greenhouses, and hydroponics.
Generated by AI
Specs
- Fertilizer typeNatural
- FormLiquid
- Rec. usePlant
- Rec locationIndoor, Outdoor
- Plant categoryHouse Plants
- Plant nameAll plants
Current price is USD$14.9688.5 ¢/fl oz
Price when purchased online
Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $14.96
Subscribe
$14.96
Your usuals, on your schedule
Save time and stay stocked!
One-time purchase $14.96
One-time purchase
$14.96
How do you want your item?
Try 30 days of Free Shipping with Walmart+! Choose plan at checkout.
Columbus, 43215
Arrives by Wed, Feb 4
.Order within 50 min
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible
Similar items you might like
Based on what customers bought
Super Thrive Grow Liquid Plant Food Fertilizer 7-9-5 , 32 oz. $22.00
$2200current price $22.00Super Thrive Grow Liquid Plant Food Fertilizer 7-9-5 , 32 oz.
384.8 out of 5 Stars. 38 reviewsShipping, arrives in 3+ daysBest seller Miracle-Gro Ready to Use Orchid Plant Food Mist, For Indoor Orchid Plants, 8 oz. $6.47 Was $20.96
Best seller
SponsoredNow$647current price Now $6.47, Was $20.96$20.96Miracle-Gro Ready to Use Orchid Plant Food Mist, For Indoor Orchid Plants, 8 oz.
5144.4 out of 5 Stars. 514 reviewsSave with
Shipping, arrives tomorrowChickity Doo Doo 2-4-3 Plant Food Fertilizer, 1 lb Shaker Box, 120 Square feet $14.99
$1499current price $14.99Chickity Doo Doo 2-4-3 Plant Food Fertilizer, 1 lb Shaker Box, 120 Square feet
374.5 out of 5 Stars. 37 reviewsShipping, arrives in 3+ days100+ bought since yesterday Miracle-Gro Indoor Plant Food for All Plants, Liquid Plant Food, 8 fl. oz. $6.47 80.9 ¢/oz
100+ bought since yesterday
$647current price $6.4780.9 ¢/ozMiracle-Gro Indoor Plant Food for All Plants, Liquid Plant Food, 8 fl. oz.
10934.1 out of 5 Stars. 1093 reviewsSave withPickup todayDelivery todayShipping, arrives tomorrowBest seller Miracle-Gro Indoor Plant Food for Cactus and Succulent, Liquid Plant Food, 8 fl. oz. $6.47 80.9 ¢/oz
Best seller
$647current price $6.4780.9 ¢/ozMiracle-Gro Indoor Plant Food for Cactus and Succulent, Liquid Plant Food, 8 fl. oz.
1673.9 out of 5 Stars. 167 reviewsSave withPickup todayDelivery todayShipping, arrives tomorrowBest seller Miracle-Gro Indoor Plant Food for Tropicals, Liquid Plant Food, 8 fl. oz. $6.47 80.9 ¢/oz
Best seller
$647current price $6.4780.9 ¢/ozMiracle-Gro Indoor Plant Food for Tropicals, Liquid Plant Food, 8 fl. oz.
1004.8 out of 5 Stars. 100 reviewsSave withPickup todayDelivery todayShipping, arrives tomorrowBest seller Osmocote Smart Release Plant Food Plus Fertilizer, 1 lb for Outdoor and Indoor Plants $13.68 Was $20.40
Best seller
Now$1368current price Now $13.68, Was $20.40$20.40Osmocote Smart Release Plant Food Plus Fertilizer, 1 lb for Outdoor and Indoor Plants
3174.8 out of 5 Stars. 317 reviewsSave withPickup todayDelivery todayShipping, arrives tomorrowBest seller Expert Gardener All-Purpose Water Soluble Plant Food, 24-8-16 5 Pounds $9.97
Best seller
2 optionsAvailable in additional 2 options$997current price $9.97More options from $4.88Expert Gardener All-Purpose Water Soluble Plant Food, 24-8-16 5 Pounds
4874.6 out of 5 Stars. 487 reviewsSave withPickup todayDelivery todayShipping, arrives tomorrowStaron under $5 50ml Liquid Plant Food, All-Purpose Nutrient Solution for Hydroponic Systems & Potted Plants, Organic Fertilizer for Indoor Outdoor Gardening $6.99
$699current price $6.99+$1.99 shippingStaron under $5 50ml Liquid Plant Food, All-Purpose Nutrient Solution for Hydroponic Systems & Potted Plants, Organic Fertilizer for Indoor Outdoor Gardening
Shipping, arrives in 3+ daysMiracle-Gro Indoor Plant Food Spikes, 1.1-Ounce 4 Pack 4 $14.58
$1458current price $14.58Miracle-Gro Indoor Plant Food Spikes, 1.1-Ounce 4 Pack 4
1034.5 out of 5 Stars. 103 reviewsShipping, arrives in 3+ daysPlant Nutrient Solution Liquid Fertilizer For Potted Flowers Houseplants Garden Indoor Outdoor Plants $7.99
$799current price $7.99Plant Nutrient Solution Liquid Fertilizer For Potted Flowers Houseplants Garden Indoor Outdoor Plants
Shipping, arrives in 3+ daysLush Houseplant Fertilizer | 500ml Concentrated Liquid Fertilizer | Makes Over 50 Gallons | Made in The USA (500ml/16.9oz) $14.99
$1499current price $14.99Lush Houseplant Fertilizer | 500ml Concentrated Liquid Fertilizer | Makes Over 50 Gallons | Made in The USA (500ml/16.9oz)
Shipping, arrives in 3+ daysLiquid Lawn & Plant Food, 120ml, All-in-One Nutrient Solution for Indoor & Outdoor Gardens, Promotes Growth & Immunity for Flowers, Vegetables, Grass $9.99
$999current price $9.99+$0.99 shippingLiquid Lawn & Plant Food, 120ml, All-in-One Nutrient Solution for Indoor & Outdoor Gardens, Promotes Growth & Immunity for Flowers, Vegetables, Grass
Shipping, arrives in 3+ daysPennington Easy-Dose Indoor Plant Food 2-3-2 Fertilizer 16oz $12.64
$1264current price $12.64Pennington Easy-Dose Indoor Plant Food 2-3-2 Fertilizer 16oz
Save withShipping, arrives in 3+ daysDanhjin Plant Food Fertilizer 50ml Rooting Solution for Houseplants Indoor Outdoor Growth Promoting Agent Liquid Nutrient for Green Pots $7.99
$799current price $7.99Options from $7.99 – $10.99Danhjin Plant Food Fertilizer 50ml Rooting Solution for Houseplants Indoor Outdoor Growth Promoting Agent Liquid Nutrient for Green Pots
Shipping, arrives in 3+ daysCQCYD under $5 Plant Nutrient Solution, Plant Nutrient Liquid, Garden Flower Fertilizer Solution, All Purpose Indoor Outdoor Growth Booster, Liquid Food for Potted Plants $5.99
$599current price $5.99CQCYD under $5 Plant Nutrient Solution, Plant Nutrient Liquid, Garden Flower Fertilizer Solution, All Purpose Indoor Outdoor Growth Booster, Liquid Food for Potted Plants
Shipping, arrives in 3+ daysExpert Gardener All-Purpose Water Soluble Plant Food Fertilizer, 5 lb. Box $9.97 $1.99/lb
$997current price $9.97$1.99/lbExpert Gardener All-Purpose Water Soluble Plant Food Fertilizer, 5 lb. Box
2634.7 out of 5 Stars. 263 reviewsSave withPickup todayDelivery todayShipping, arrives tomorrowBANIRO Orchid Plant Food Suitable For All Indoor Plants,Promoting Growth And Flowering,Liquid Fertilizer 50ml $6.12
$612current price $6.12BANIRO Orchid Plant Food Suitable For All Indoor Plants,Promoting Growth And Flowering,Liquid Fertilizer 50ml
Shipping, arrives in 3+ daysBANIRO Orchid Plant Food Suitable For All Indoor Plants,Promoting Growth And Flowering,Liquid Fertilizer 50Ml $7.98
$798current price $7.98BANIRO Orchid Plant Food Suitable For All Indoor Plants,Promoting Growth And Flowering,Liquid Fertilizer 50Ml
Shipping, arrives in 3+ days
About this item
Product details
It's one of nature's many miracles. Marine Phytoplankton is found in oceans across the world, but thrives in the waters of the Strait of Georgia on Vancouver Island in British Columbia, Canada. Our MARPHYL fertilizer is packed with nutrients, vitamins, and minerals. Our unique plant food fertilizer is high in nitrogen, phosphorus, and potassium, and contains trace amounts of calcium and magnesium for flourishing plants and beautiful, full foliage. You'll appreciate our Safe and Sustainable all purpose fertilizer because it's: 100% natural (made with 100% pure marine phytoplankton), Non-GMO and has no preservatives, Run off safe as it originates in the ocean , Listed by OMRI (Organic Materials Review Institute). Product Volume: 16.9 oz
- Superior Liquid Plant Food - MARPHYL Marine Phytoplankton is ideal as an outdoor and indoor plant fertilizer. It works great as vegetable fertilizer, houseplant fertilizer, and garden fertilizer. It’s an organic solution for your garden, greenhouse, and hydroponics. Enjoy gorgeous, colorful blooms with this exceptional flower food. Enhance soil quality and watch your trees, shrubs, vines, grass, plants, flowers, and vegetables thrive.
- Naturally Boost Plant Health - Marine Phytoplankton are Microalgae full of nutrients, vitamins, and minerals. It's so much more than your average liquid plant fertilizer. MARPHYL's fertilizer for indoor and outdoor plants, lawns, trees, flowers etc. provides an astounding array of nutritional elements.Our soil fertilizer is packed with vitamins, minerals, essential fatty acids, DHA, EPA, amino acids, chlorophyll, and a vast spectrum of phytochemicals, to make your garden and greenhouses flourish
- Organic & Sustainable - Our Liquid Marine Phytoplankton Soil Enhancer is an organic, all-purpose plant food that is harvested 100% naturally. It's vegan, non-toxic, non-GMO & sustainably made with no preservatives making it safe for vegetable gardening, groundwater, and pets. This indoor plant food replenishes your soil on a regular basis to ensure the continued growth and beauty of your vegetation. Our organic plant fertilizer will meet your every need and provide a safe environment for all.
- Miraculous & Beneficial - Found in oceans across the world, marine phytoplankton are microalgae that infuse your plants, trees, grasses, and more with everything they need for health and longevity. Our plant food is high in potassium, nitrogen, and phosphorus as well as calcium and magnesium for lush foliage. Your lawn & garden will be the envy of the neighborhood, and your indoor plants will brighten your home.
- Easy to Use Water Soluble Fertilizer - Simply mix a 1:20 ratio of our liquid plant fertilizer with water. Once in the water, stir, and then pour onto the plants. Soil feed is perfect for use in small and large sprayers. Recommended use is every two weeks. You'll see the difference after just one application.
- Product Volume: 16.9 oz
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Ingredients
Ingredients
Wild and Multi Species Marine Phytoplankton
Frequently bought together
Frequently bought together, MARPHYL Organic Liquid All Purpose Fertilizer – Indoor & Outdoor Plants, 16.9 oz
MARPHYL Organic Liquid All Purpose Fertilizer – Indoor & Outdoor Plants, 16.9 oz $14.96 88.5 ¢/fl oz
$1496
current price $14.9688.5 ¢/fl oz
MARPHYL Organic Liquid All Purpose Fertilizer – Indoor & Outdoor Plants, 16.9 oz
184.8 out of 5 Stars. 18 reviews
Frequently bought together, Expert Gardener Gray Nitrile Sustainable Gloves Large
50+ bought since yesterday Expert Gardener Gray Nitrile Sustainable Gloves Large $1.97
50+ bought since yesterday
$197
current price $1.97Expert Gardener Gray Nitrile Sustainable Gloves Large
2094.6 out of 5 Stars. 209 reviews
Frequently bought together, Miracle-Gro Potting Mix, For Indoor or Outdoor Potted Plants, Flowers, Shrubs, 8 qt.
In 200+ people's carts Miracle-Gro Potting Mix, For Indoor or Outdoor Potted Plants, Flowers, Shrubs, 8 qt. $5.37 Was $16.11 67.1 ¢/qt
In 200+ people's carts
Now$537
current price Now $5.37, Was $16.11$16.11
67.1 ¢/qt
Miracle-Gro Potting Mix, For Indoor or Outdoor Potted Plants, Flowers, Shrubs, 8 qt.
102734.3 out of 5 Stars. 10273 reviews
Frequently bought together, 15 Pack Vegetable Garden Seed Collection - Non-GMO Heirloom Full Sun Annuals
In 100+ people's carts 15 Pack Vegetable Garden Seed Collection - Non-GMO Heirloom Full Sun Annuals $14.99
In 100+ people's carts
$1499
current price $14.9915 Pack Vegetable Garden Seed Collection - Non-GMO Heirloom Full Sun Annuals
3104.5 out of 5 Stars. 310 reviews
Current price is
$37.29
was $48.03$48.03
Items may be delivered on different dates
Check out these related products
Instant Plant Food by Instant Biologics (4 Tablets) | Houseplant Fertilizer & Indoor Plant Food | Self-Dissolving Tablets that Make Feeding Your Plants a Breeze | 4-3-6 (N-P-K) $18.95
Sponsored$1895current price $18.95Instant Plant Food by Instant Biologics (4 Tablets) | Houseplant Fertilizer & Indoor Plant Food | Self-Dissolving Tablets that Make Feeding Your Plants a Breeze | 4-3-6 (N-P-K)
7694.9 out of 5 Stars. 769 reviewsSave withShipping, arrives in 2 daysLiquid Love All Purpose Natural Plant Food Fertilizer for Indoor / Outdoor Plants (Garden Plants / Flower Plants / House Plants ), 1 Quart (32 Fl. Oz.) of Water Soluble Concentrate $19.95
2 optionsAvailable in additional 2 options$1995current price $19.95Liquid Love All Purpose Natural Plant Food Fertilizer for Indoor / Outdoor Plants (Garden Plants / Flower Plants / House Plants ), 1 Quart (32 Fl. Oz.) of Water Soluble Concentrate
94.7 out of 5 Stars. 9 reviewsSave withShipping, arrives in 2 daysAlgoPlus 509 1 litre House Plant Fertilizer $19.77 Was $24.53
Now$1977current price Now $19.77, Was $24.53$24.53+$9.98 shippingAlgoPlus 509 1 litre House Plant Fertilizer
Shipping, arrives in 3+ daysIn 50+ people's carts Miracle-Gro Water Soluble All Purpose Plant Food, For All Plant Types, 1.5 lbs. $8.28
In 50+ people's carts
3 optionsAvailable in additional 3 options$828current price $8.28Options from $8.28 – $19.97Miracle-Gro Water Soluble All Purpose Plant Food, For All Plant Types, 1.5 lbs.
55664.7 out of 5 Stars. 5566 reviewsSave withPickup todayDelivery todayShipping, arrives tomorrowScotts Super Bloom Water Soluble Plant Food, 2 lb., Feeds Instantly $24.25 $12.13/lb
$2425current price $24.25$12.13/lbScotts Super Bloom Water Soluble Plant Food, 2 lb., Feeds Instantly
624.5 out of 5 Stars. 62 reviewsShipping, arrives in 3+ daysSuperthrive 0.5-0-0 Original Vitamin Solution for Plants Mineral Supplement, 1 pint, 16oz $44.07 Was $62.99 $44.07/count
Now$4407current price Now $44.07, Was $62.99$62.99$44.07/countSuperthrive 0.5-0-0 Original Vitamin Solution for Plants Mineral Supplement, 1 pint, 16oz
1424.7 out of 5 Stars. 142 reviewsShipping, arrives in 3+ days
Customer ratings & reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |
Showing 1-3 of 16 reviews
Jul 3, 2025
Whitebird
Item details
Size: One Size
5 out of 5 stars review
Verified Purchase
I wanted a product that was organic and I could feel comfortable using on my plants, especially my herbs. This liquid fertilizer works great, it is safe to use and is an excellent value for the price.
Incentivized Review
Helpful?5PNEGRF4MC12246226698
Dec 20, 2025
Linda
Item details
Size: One Size
5 out of 5 stars review
Verified Purchase
I like that this does not burn my plants. It is a good soil conditioner.
Incentivized Review
Helpful?5PNEGRF4MC12246226698
May 31, 2025
anonymous
Item details
Size: One Size
5 out of 5 stars review
Verified Purchase
Good buy!
This is a nice mild fertilizer for my hydrogardens. It works well without burning my herbs.
Incentivized Review
Helpful?5PNEGRF4MC12246226698
Popular items in this category
Best selling items that customers love
Arber Organic Plant Food Indoor & Outdoor 3-2-1 Fertilizer Concentrate, 16oz $24.99 Was $29.83
Now$2499current price Now $24.99, Was $29.83$29.83Arber Organic Plant Food Indoor & Outdoor 3-2-1 Fertilizer Concentrate, 16oz
864.7 out of 5 Stars. 86 reviewsShipping, arrives in 3+ daysEspoma Organic Grow! Liquid Concentrate Plant Food - All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle $18.19
$1819current price $18.19Espoma Organic Grow! Liquid Concentrate Plant Food - All Purpose Fertilizer for Indoor & Outdoor Plants. for Organic Gardening. 16oz Bottle
184.9 out of 5 Stars. 18 reviewsShipping, arrives in 3+ daysGardenwise 10-10-10 All-Purpose Fertilizer for Indoor/Outdoor Plants, Trees, and Lawns $29.49
$2949current price $29.49Gardenwise 10-10-10 All-Purpose Fertilizer for Indoor/Outdoor Plants, Trees, and Lawns
Shipping, arrives in 3+ daysGardenwise 10-10-10 All-Purpose Fertilizer for Indoor/Outdoor Plants, Trees, and Lawns $34.49
$3449current price $34.49Gardenwise 10-10-10 All-Purpose Fertilizer for Indoor/Outdoor Plants, Trees, and Lawns
Shipping, arrives in 3+ daysOsmocote Smart Release Outdoor and Indoor Plant Fertilizer, 1.25 oz $18.21
$1821current price $18.21Osmocote Smart Release Outdoor and Indoor Plant Fertilizer, 1.25 oz
Shipping, arrives in 3+ daysGardenwise 10-10-10 Liquid Fertilizer Plant Food Kelp & Iron for All Indoor Outdoor Plants $23.99
$2399current price $23.99Gardenwise 10-10-10 Liquid Fertilizer Plant Food Kelp & Iron for All Indoor Outdoor Plants
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysGardenwise 10-10-10 Liquid Fertilizer Plant Food Kelp & Iron for All Indoor Outdoor Plants $35.99
$3599current price $35.99Gardenwise 10-10-10 Liquid Fertilizer Plant Food Kelp & Iron for All Indoor Outdoor Plants
Shipping, arrives in 3+ daysNutriDense Indoor Plant Food, All-Purpose Organic Plant Food, (5oz) by Humane [NPK 5-5-3] $13.99
![NutriDense Indoor Plant Food, All-Purpose Organic Plant Food, (5oz) by Humane [NPK 5-5-3]](https://i5.walmartimages.com/asr/148865dc-30dc-4965-b550-43e9ad26433e.b226f4a0d294912fba2d49ab0cfd0f94.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored$1399current price $13.99NutriDense Indoor Plant Food, All-Purpose Organic Plant Food, (5oz) by Humane [NPK 5-5-3]
524.3 out of 5 Stars. 52 reviewsShipping, arrives in 3+ daysFzsteel Plant Growth Fluid Enhancer Supplement 50ml Fertilizer Liquid for Indoor/Outdoor Plants & Vegetables in Green Plastic Bottle $3.99
$399current price $3.99+$2.77 shippingFzsteel Plant Growth Fluid Enhancer Supplement 50ml Fertilizer Liquid for Indoor/Outdoor Plants & Vegetables in Green Plastic Bottle
Shipping, arrives in 3+ daysVIVOSUN Liquid Nutrients Base A & B Bundle, Grow Big Hydroponic Fertilizer, Supports Vegetative and Flowering Stages for Outdoor, Indoor Plants, Best Plant Food, Set of 8oz $18.99
3 optionsAvailable in additional 3 options$1899current price $18.99Options from $18.99 – $119.99VIVOSUN Liquid Nutrients Base A & B Bundle, Grow Big Hydroponic Fertilizer, Supports Vegetative and Flowering Stages for Outdoor, Indoor Plants, Best Plant Food, Set of 8oz
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysBig Green Leaves | All Purpose Houseplant Fertilizer, Indoor Plant Food (1LB) $23.99
$2399current price $23.99Big Green Leaves | All Purpose Houseplant Fertilizer, Indoor Plant Food (1LB)
85 out of 5 Stars. 8 reviewsShipping, arrives in 3+ daysFishnure 1 lb Odorless Organic Compost Fertilizer made from Fish Manure - Omri Listed plant fertilizer for indoor and outdoor use $20.99
$2099current price $20.99Fishnure 1 lb Odorless Organic Compost Fertilizer made from Fish Manure - Omri Listed plant fertilizer for indoor and outdoor use
54.2 out of 5 Stars. 5 reviewsSave withShipping, arrives in 2 daysGardenwise 10-10-10 Liquid Fertilizer Plant Food Kelp & Iron for All Indoor Outdoor Plants $14.99
$1499current price $14.99Gardenwise 10-10-10 Liquid Fertilizer Plant Food Kelp & Iron for All Indoor Outdoor Plants
93.4 out of 5 Stars. 9 reviewsShipping, arrives in 3+ daysAccelerated Rooting Plant Nutrient Solution For Potted Flowers Growth Booster 100Ml Plant Food Fertilizer For Indoor Outdoor Plants 0.273Lb $6.99
$699current price $6.99+$1.99 shippingAccelerated Rooting Plant Nutrient Solution For Potted Flowers Growth Booster 100Ml Plant Food Fertilizer For Indoor Outdoor Plants 0.273Lb
Shipping, arrives in 3+ daysDynamite All-Purpose Indoor/Outdoor Plant Food 18-6-8 - 1 lb. $11.99
$1199current price $11.99Dynamite All-Purpose Indoor/Outdoor Plant Food 18-6-8 - 1 lb.
Save withShipping, arrives in 2 daysDown to Earth Houseplant 8-3-1 All Natural Plant Food Pellet Fertilizer, 8oz $25.97
$2597current price $25.97Down to Earth Houseplant 8-3-1 All Natural Plant Food Pellet Fertilizer, 8oz
Shipping, arrives in 3+ daysOcean Bounty (25 lb) Natural Nutrients - Food for Indoor and Outdoor $103.00
$10300current price $103.00Ocean Bounty (25 lb) Natural Nutrients - Food for Indoor and Outdoor
Shipping, arrives in 3+ days