25 lb. Simple Grow Worm Castings

Simple Grow

Regular price $54.99 $34.99

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Certified by Organic Certifiers as part of the USDA Organic Input Materials Program

Simple Grow Worm Castings 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.


Shipping & Handling 

How is Simple Grow packaged? 

All non-bulk orders are shipped in Simple Grow's plastic bags, then boxed. Larger bulk orders are typically packaged in one ton super-sacks and ship on a pallet.


What shipping carriers do you use? 

 For small orders, we use the USPS & FedEx. Larger commercial orders will ship on a variety of high-quality carriers, based on a custom freight quote.


How long before my order ships?

The typical turnaround time is 24-48 hours on bag orders. Bulk orders can take longer, due to the need to arrange custom shipping for your order.


What is the typical transit time?

Bag orders will arrive in 2-4 days after they've shipped on USPS priority mail or FedEx Ground / HomeDelivery. Bulk orders typically vary from 1-3 days after they ship out, depending on where you're located.


What are the freight options? 

We are flexible on shipping large orders. If you have a preferred method of shipping your worm
castings, feel free to let us know. Typically we ship to commercial addresses with a way to unload one-ton bags of castings. If you need a liftgate to unload the castings, let us know and we can arrange that.


Warranty & Return Policy 

We offer a 100% satisfaction guarantee on all bags of Simple Grow Soil Builder. If you are unsatisfied for any reason, you can simply send in the proof of purchase by mail and we'll refund your purchase price.

How do I request the above?
Simply mail in the proof of purchase and a written explanation of the issue to:
Simple Grow
2514 N Patterson Ave
Springfield, MO 65803

Wait 6-8 weeks for refund to be issued.


100% Organic 

Simple Grow Soil Builder worm castings are organic. The worms are fed a controlled diet of organic matter and there are no pesticides or GMOs used in the production of the castings.  Not all worm castings are organic, it is important to check with the manufacturer about the specific soil and diet the worms are fed to insure truly organic castings.



SEEDTIME FULFILLED SHIPPING (items fulfilled by Seedtime)
  • We ship to the USA only.
  • We offer free shipping on all products fulfilled by Seedtime with an order value over $49
  • Orders placed before 12pm Eastern Time ship the same day. Orders after 12pm Eastern Time will ship the next business day. Timing applies to orders in the lower 48 States.
  • Standard delivery time is 3-7 business days.
  • Easy 30 day returns or exchanges.

Your satisfaction means the world to us which is why all of your orders are backed with our 30 Day Satisfaction Guarantee. Either you love it, or you can return it for an equal exchange or get a full refund. Just send us a support ticket to support@seedtime.us and we'll be glad to help you with your return.

Other Vendor Fulfilled Shipping

We offer products that are fulfilled by other vendors with the following rates:

The Farm On Central: $9 flat rate

Farmers Friend: Free shipping to contiguous USA

Peaceful Valley: $5 for up to 5 seed packets and then free shipping on seed packets after that. $10.99 flat rate for bulk seeds/larger weight items.


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25 lb. Simple Grow Worm Castings
1 Bag - $34.99
  • 1 Bag - $34.99
  • 4 Bag Bundle - $199.99
  • 8 Bag Bundle - $249.99

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