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🌱 Unlock your garden’s secret weapon for unstoppable growth!
Bloom City Seaweed and Kelp Fertilizer is an 8 oz liquid supplement featuring a potent blend of seven organic seaweed species. Its unique enzyme-preserving extraction delivers pure kelp benefits without fibrous pulp, promoting stronger roots, faster growth, and enhanced stress tolerance. Safe and easy to use on all plants—from houseplants to lawns—this botanist-formulated, USA-made fertilizer is a top-rated choice for millennial gardeners seeking premium, natural plant nutrition.



















| ASIN | B08JHHFZVG |
| Best Sellers Rank | #1,504 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #72 in Garden Fertilizers |
| Brand | Bloom City |
| Brand Name | Bloom City |
| Customer Reviews | 4.6 out of 5 stars 5,397 Reviews |
| Item Form | Liquid |
| Item Weight | 8 Ounces |
| Liquid Volume | 45 Gallons |
| Manufacturer | Bloom City |
| Mixing Ratio | 1 tsp per gallon for watering, 8 tsp per gallon for foliar feed |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | BKELP8OZ |
| Specific Uses For Product | Lawn,Organic |
| Target Species | lawns, houseplants, edibles, ornamentals |
| UPC | 841401125677 |
| Unit Count | 8.1 Fluid Ounces |
C**W
Perfect Plant Supplement
I absolutely love this product. It's easy to use and works for all of my plants from indoor succulents to my outdoor herbs and berries. I use it whenever I am starting seeds, transplanting seedlings and as a foliar spray. It's odorless so you don't have to worry about smells
L**.
This stuff really WORKS!
I just started several herbs and noticed that the organic starting mulch that I used wasn’t providing any nutrients. My fastest growers were starting to show signs of starvation. However, I only wanted to supplement with organic and human safe ingredients so I bought Bloom City’s Seaweed and Kelp. I made an 8 cup water to 1/4 teaspoon of fertilizer and added it to the bottom of my trays. BOOM - overnight perk up. Very impressed. Thank you!
L**O
My Garden Loves It
I used this product last year in my garden. My cherry tomatoes went NUTS! All of my veggies and flowers loved this stuff. Everyone in my communal garden wanted to know what I was using. One bottle lasted all season. I’ll be using again this year and adding the nitrogen product as well. Highly recommend!! Thanks for a great product 😊
L**U
It might not be organic but it works really well
This product is great because it doesn't stink at all like other kelp products, it has very little to no scent. I use it on my houseplants and succulents, it is a revolutionary kelp extract because it does not smell. BUT There is no proof that it is organic and for that reason it will never touch my edible crops. I have communicated with Bloom City Organics requesting documents proving their products were organic, and they could not produce any documents whatsoever. I do not consider the sellers word to be proof that the product is organic and for that reason I will not be using this product on my food crops. I like it a lot for houseplants, don't get me wrong but there's no way I'm putting this product on my organic food crop without organic registration or third party oversight to ensure it is actually organic. Unfortunately I bought two different products from this company, Bloom city organics. Seems kindof fishy that a company would be named Bloom city organics without any organic certification for their products. See for yourself, there's people reviewing this product saying things like they "believe it to be organic". I'm not a believer. If Bloom city produces some kind of proof their products are organic, I will foliar feed every single plant I have with it. I look forward to seeing their products as a registered for organic gardening. Edit: Bloom city refunded me for the product since I wasn't happy about the lack of proof the product is organic. I have to say Bloom city has great customer service and they really care about their products. Like I said before this is great for foliar feeding your plants without any smell I use it on my indoor plants because I can't stand the smell of kelp in my house. I recommend this product for any situation where you want to foliar feed without the nasty smell of kelp.
L**A
The best fertilizer for your garden!
Perfect for your garden! It is easy to use, good value for your money.
S**S
Good product
Really like this product
J**E
Great addition to orchid care
This is the best thing I could have added to my orchid care routine. Plants are loving it and are looking fabulous.
N**F
Lush Growth, Minimal Effort — My Plants Are Thriving!
This kelp fertilizer is pure gold for any gardener. I’ve used it on everything from houseplants to veggies, and the results are consistently impressive. The blend of seven seaweed species gives my plants a noticeable boost in both root development and overall vitality. Leaves are greener, stems are stronger, and growth is faster. What I love most is how easy it is to use—just mix a small amount into your regular watering routine and let nature do the rest. There’s no risk of overdoing it, and it’s gentle enough for even the most delicate seedlings. Plus, it’s fully organic, which gives me peace of mind knowing I’m not introducing harsh chemicals into my garden. If you want a low-maintenance way to supercharge your plants, this is it. I’ll definitely be keeping a bottle of this on hand year-round.
Trustpilot
2 weeks ago
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