Simple Grow
25lb Worm Castings - Simple Grow Soil Builder
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Simple Grow Soil Builder is the most potent soil enhancer on the market and provides your plants exactly what they need, exactly when they need it. Packed with loads of rich nutrients, these worm castings will give your plants an immediate boost, as well as provide nutrition for the long-term.
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Best of all, you don't have to worry about chemicals, additives, or any toxic ingredients mixed into this bag. You get 100% pure, all natural worm castings that will be your secret weapon in the journey to grow the perfect plant.
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100% pure worm castings
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Nutrient-rich organic soil supplement
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Safe for all types of plants
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Made from all natural ingredients
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No chemicals
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No additives
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No filler
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Instant boost to plants
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Long-term growth formula
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You should also read our blog post on what are worm castings.
Customer Reviews
Pure worm castings without adulteration (like sand). Remains moist for a long time. Great product for a good price. Highly recommended.
Fantastic stuff
Perfect for top dressing or a compost tea
Howdy all I have a 4x8 grassroots living soil bed with 1500 Super Reds2500 or so red wigglers and 1500 African crawlers in my basement and I got to tell you i topped dressed some KIS microbe catalyst and some Simple grow castings and then dampened off with a homemade compost tea with ONLY the last 2 indegridents and WOW RIDICULOUS fungal hyphe and my plants love its a PERFECT ADDITION to any garden for the diversity of biology. HIGHLY RECOMMENDED✌ Thanks Simple Grow team Returning customer. Ps It got here QUICK 2!!! Ron from Grand Rapids Michigan
I live in Bloomington IN. The weather here has been hot and humid, buggy. Finally got out to work in the yard. I'm mixing the casings with the clay dirt. I think this is going to do great. You may also have received an email to Mark Price from me.
Super high quality soil additive packaged in a size that is easy to handle. Great tips on the package for usage ideas. Very impressed! I will be ordering a lot more—it’s my new fix for tired garden soil.
Nice N fresh materials to work no us it yet but I'm sure it's a top of the self product to work with.
Super fast shipping and well packaged. Nice quality castings - my plants are very happy.
smells great!, looks great, and from its use the plants look to be thriving. great option if you can get it!
The best. Fresh and pure, no soil or additives. Will be back for more.
Great product and it is professionally packaged and is offered at a very fair price
25lb Worm Castings - Simple Grow Soil Builder
Great quality, really are pure, when other companies dry out a bit you can see all the moss Or bedding they add as filler. These are great only concerned they ship in airtight bag so soil life may die/turn anaerobic but no evidence of that yet so still good.
25lb Worm Castings - Simple Grow Soil Builder
Very pleased with you and your products
25lb Worm Castings - Simple Grow Soil Builder
Super fast shipping great customer service
Great product
I have found this product to be better than anticipated. I used this product on all of my vegetable beds and the plants have just taken off. Thank you! I wouldn't hesitate to purchase this product again.
These worm castings from Simple Grow are of great quality. I have been making worm tea with them and my plants are 10 times better this year than last year. I also used a cup full with each plant I planted. Definitely a must have.
Nice product. Got it on time
Great product. Wish shipping was cheaper
very prompt service with my order. excellent prices! First time using worm casting and so far so good. I will let you know come harvest time. I am expecting great results from what I am told.
I could almost hear my plants sigh when I gave them their feeding of worm castings. I'm already seeing happier roses and tomatoes.
Finding decent potting mix is difficult nowadays so I've resorted to making my own. This was the missing ingredient.
Excellent product!
The Earthworm Castings were a very good deal. What a difference when I use the Earthworm Castings with natural fertilizers for my vegetables. I would purchase it again.
These worm castings are crazy awesome! Mixed em in with good soil and also made some tea. Plant kids are loving it. Thanks!
I'm so glad I found your site. Been using what I thought was a good product. Product, value and service was GREAT
So far so good, thrilled to see all the growth over the summer
good stuff already see a difference
I received the product quickly. Just spread it around vegetable garden before tilling. Easy to use. Can't wait to see the results in the next few months.
Two huge bags of worm casings. Arrived very fast. Quality was excellent! I could tell an amazing difference. with my coleus and ghost fern, after one spreading application. I have now referred 3 friends to you! Thank you!!!!
A
Great product.
We bought the worm castings for my son's hermit crab aquarium. It was great to have and will use the left over stuff for our garden!
Always perfect castings. I never have to worry what I'm going to get. Consistent from order to order. THANK YOU!
Love worm casting for my garden. Product came quickly well sealed and in good condition.
Due to COVID we couldn't find open suppliers. I picked up a 5 pound bag from a big box store for my early garden plantings and then ordered a few bags from here. The difference between the two was so clear. The big box store brand was definitely mixed with dirt.
I am in love. These castings are a dream come true.
A visit to your farm is super high on my wish list. I need to meet the people responsible for this product.
I could not be more impressed!
A Massive Thank You to all of you. From me but also from the plants. They are EXTREMELY HAPPY!
Mixed this in with my seed starter and it appears the plants are doing well.
I've been using this in the making of compost tea and it's working great. Will continue to purchase.
Best organic fertilizer on the planet! My whole garden got a huge boost absolutely fantastic
The worm casting help with improving the soil, both from nutrition and also less compact. We have clay where I live. So my plants are growing better than last year, and also have less pest. I will add this yearly to my flower beds.
Enriched my coco with worm casting. Plants look healthy so far.
I am very pleased with my first shipment of work castings. Packaging was great. I am learning to use the castings and hoping for good results. Thanks so much.
Very good quality bulk castings. I will order from Simple Grow again.
I was well pleased with the entire online transaction. I received my order for 100 pounds of worm castings promptly sand am looking forward to a successful year in the garden with this great product.
Love the texture; some of the best castings I've used !
Have not been able to use it in my garden yet but looks beautiful!
I really like this well made worm compost! Smooth and easy to dip and mix. I mix half and half with Fertiloam Potting soil and a little organic fertilize to make a really nice mix for all my citrus and other pot plants. I also use it in the garden under every plant.
Great product! Everything is growing well. Ordering another 25lb tonight.
I will plant in early May, let you know in early June. Warm Regards, Gary
Nice castings, fresh, earthy (not sour). Will buy again, they are A+ castings...
Great really appreciate it.
Looks like things are already perking up!
Great product. Fast shipping.
These worm castings are the best on the market I use them to grow heirloom tomatoes and always have great tomatoes, shipping is extra fast Simple grow is a great company I recommend them highly.
30lb Worm Castings - Simple Grow Soil Builder
This worm poo is the real thing,. rich dark castings. Some one fed the worms good.I measured these casting for npk were very good using a digital nutrent meter these castings showed 3 on a scale of 1 to 5. This is an excellent reading.and what's more important when I used these castings as top dress and worm tea it really improved my plants .
Ordered twice after Is aw the quality of their product. REAL worm castings not the kind you get that seems to have more soil than castings! I am in love with this company! I ordered twice each for a 30lb bag and in the second order, they gave me a 15lb bonus!! It was the best surprise! I am going to order more esp while they got their prices marked down. Also thinking of getting their African Nightcrawlers and release them in my garden. This company is amazing. I have been looking around worm casting companies for a while and I am glad I found them. More power to Simple Grow!!
I purchased Simple Grow for a house warming gift, they were very happy to receive it
As you know, I re-ordered another 30# bag of your worm castings after receiving and using my first bag of Simple Grow worm castings. What a great product... could not ask for any better--anywhere. Thanks for the most excellent castings I could have asked for and your prompt, inexpensive shipping fees. I'll be back! (:
30lb Worm Castings - Simple Grow Soil Builder
great stuff, plants are loving it
Plants growing like crazy nice and green these castings are definitely different than some other castings like how these castings spread out lose in the soil definitely seems like more of a pure castings and I feel like the value and the quality is really hard to beat
Great product shipped promptly!
We love the product and have ordered more since
This is my first time using worm castings and have had great results in my seed starting. Still to early for my planting in the garden.
Great product,you won’t be disappointed
Good
Castings look amazing. Only time will tell if they help my veggies but had great promise. Definitely recommend.
I have yet to prep my raised beds,.....but the product looks great....I hope to order more in the next few weeks....I will continue to remain a customer..thankyou..r
This is the best quality worm castings I have seen. very uniform and easy to use!
Works good on my tropical fruit trees
Great product. Actual worm castings, no fillers !
It's the second time that I answered your review. Worm casting are great there's no disputing that. However here is the problem. The plastic bag was ripped open and five pounds of castings were removed. My question to you is, who's doing this. It's clearly a problem when you pay for 30 lbs. and recieve less than what you paid for. I will order again, but if the bag is opened and underweight I will not eccept the shipment. PCL
I am so far very pleased with the castings. I think they are helping my vegetable seedlings
Tried Simple Grow on my indoor crop, instead of Miracle Grow, and what a difference in organic growing. Cut my grow time down by three weeks. Just mixed product into organic dirt medium, and twice in 17 weeks, I spread additional product on top of plant dirt. Plants had great color, smell and taste. Very impressive outcome. Looking forward to using Simple Grow, instead of Miracle Grow, on my outdoor gardens in the spring. So easy to use. Just mix with dirt.
Worms are doing well
I love the worm casting. I just bought my compost and potting soil mix today and as I ripped through the bag, it seems to me as though it was not a 30lb bag so I weighed it and indeed it was not. 3 of the 15lb bags were shipped to me. I made a video of it so I can send to you after I call but then this review came through. How can I go about receiving 45lb which is still owned to me due to your error.
The worm castings product has greened up my lawn and my soil is healthy again.
Your worm castings to my plants,are like coffee to a cup
I applied the Simple Grow worm castings on my garden plot - strategically placed around the base of the plants. The results, so far, are encouraging. I'll likely do the same next year. Hopefully I'll have a bin buster when all is done this growing season.
Arrived extremely quickly.
Trees and grass are flourishing.
We are using Simple Grow worm castings on everything in our gardens. Our flowers and vegetables are so much bigger and producing much more from previous seasons of using commercial fertilizer. We will be permanent customers and have shared our satisfaction of Simple Grow with all of our gardening friends.
30lb Worm Castings - Simple Grow Soil Builder