website

Skip to the content

Fast Shipping, Great Selection | PHONE: 920-857-9493

GARDEN SUPPLY GUYS

Your Search Begins Here....

Call: 920.857.9493

Talk to our Experts!

Shop By Brand
Garden Supplies
Nutrients
Grow Lights
Hydroponics
Environment
Grow Tents
Mushroom Supplies

Need help?

Call: 920.857.9493

Talk to our Experts!

Shop By Brand
Garden Supplies
Nutrients
Grow Lights
Hydroponics
Environment
Grow Tents
Mushroom Supplies

Home » Amendments & Compost

Collection: Amendments & Compost

Sort by:

74 Products

Real Growers

Real Growers Recharge Microbial Superpack

In stock

Regular price From $2.50

Select options
Wiggle Worm

Wiggle Worm Soil Builder Earthworm Castings, 15 lb

In stock

Regular price $14.18
Wiggle Worm

Wiggle Worm Soil Builder Earthworm Castings, 30 lb

In stock

Regular price $23.52
Wiggle Worm

Wiggle Worm Soil Builder Earthworm Castings, 4.5 lb

In stock

Regular price $8.31
Real Growers

Real Growers Grow Dots 16-11-11 Time Release Nutrients

In stock

Regular price From $7.85

Select options
BACCTO

BACCTO® the COW™ Organic Compost & Manure OMRI, 40 qt

In stock

Regular price $13.89
Better-Gro

Better-Gro® Long Fibered Sphagnum Moss, 8.47 oz

In stock

Regular price $11.45
Malibu Compost

Bu's Blend Biodynamic® Compost, 1 cu ft

Out of stock

Regular price $32.90

Out of stock
Coast of Maine

Coast of Maine Lobster Compost Quoddy Blend, 1 cu ft

In stock

Regular price $18.85
CYCO

CYCO® Outback Series Vegetive, 20 kg / 44 lb

Out of stock

Regular price $31.08

Out of stock
Down To Earth

Down To Earth™ Acid Mix

In stock

Regular price From $14.80

Select options
Down To Earth

Down To Earth™ Agmino Powder

In stock

Regular price From $15.42

Select options
Down To Earth

Down To Earth™ Alfalfa Meal

In stock

Regular price From $12.45

Select options
Down To Earth

Down To Earth™ All Purpose Mix

In stock

Regular price From $3.39

Select options
Down To Earth

Down To Earth™ Azomite SR Powder

In stock

Regular price From $3.47

Select options
Down To Earth

Down To Earth™ Bat Guano

In stock

Regular price From $16.85

Select options
Down To Earth

Down To Earth™ Bio-Fish

In stock

Regular price From $13.44

Select options
Down To Earth

Down To Earth™ Bio-Live

In stock

Regular price From $17.85

Select options
Down To Earth

Down To Earth™ Blood Meal

In stock

Regular price From $21.45

Select options
Down To Earth

Down To Earth™ Bone Meal

In stock

Regular price From $15.57

Select options
Down To Earth

Down To Earth™ Crab Meal

In stock

Regular price From $13.89

Select options
Down To Earth

Down To Earth™ Feather Meal

In stock

Regular price From $15.18

Select options
Down To Earth

Down To Earth™ Fish Meal

In stock

Regular price From $20.19

Select options
Down To Earth

Down To Earth™ Granular Humic Acid

In stock

Regular price From $10.48

Select options

12 3 4

Fast Shipping

As one of the fastest shippers in the industry, you can rest assured that you will get your products right when you need them. Follow the progress of your order with texts or emails from order confirmation to delivery!

Shop Local

Your purchases support a family-owned business and the largest independent indoor garden supplier in Wisconsin. Shopping with a small business also means a real person answers each and every call!

Unbeatable Customer Service

We provide exceptional customer service and expert assistance to help with your gardening success! Pests, disease, or plant problems? Call us and see for yourself!

Friendly Disclaimer

We cannot promise that any product will yield any particular result for you and we cannot be held liable for damages resulting from their use. All products must be used only for lawful purposes

GARDEN SUPPLY GUYS DEALS

Subscribe and receive special discount codes

Your email

Quick Links

Shop by Free Shipping
Shop by Brand
Shop by Certified OMRI Organic

Information

Get to Know Us
Security & Privacy
Shipping Policy
Warranty & Returns
Visit Our Retail Store

Support

Create Account
Account Login
Recover Password

Contact Us

920-857-9493
sales@gardensupplyguys.com

752 N Memorial Dr. Green Bay, WI 54303

BUSINESS HOURS:
Mon - Sat | 9 AM - 6 PM CST

© 2023, GARDEN SUPPLY GUYS - Powered by Shopify

Payment methods

Your cart

Your cart is empty

★ Judge.me Reviews

Let customers speak for us

88%

(352)

11%

(43)

1%

(6)

0%

(0)

0%

(1)

S

AC Infinity UIS Lighting Adapter Type-A, For RJ11/12 Connector Lights With PWM or 0-10V Dimmers

Shawn Spice

The connectors were perfect to make my megaphoton light work with my ac infinity controller,

n

GREASE™ Golden Gun Nano Sulfur (TERPENE BOOSTER)

nj

just started to use

only one drench and one spray so far

S

Advanced Nutrients B. B.®

Stan Mccarty

Good Stuff

Works well, will buy again

n

FoxFarm® Bush Doctor® Coco Loco® Potting Mix, 12 qt

nj

just what the doctor ordered

70/30 mix with some excellent amendments

R

Dip’N Grow®, 2 oz

Ryan Curtis

Won’t Miss

This has been my go to solution for years now. Soak soft cuttings from 5-60 seconds. Produced 98% survival rate among 300 cuttings using Gen Hydro rapid rooters.

1 2 3