Home > Store Locations Growco Indoor Garden Supply has 2 stores in western Michigan: Growco store hours at both locations: Monday - Friday: 11:00 am - 7:00 pm Saturday: 12:00 noon - 4:00 pm Sunday: Sorry, we're closed 1042 Michigan Street NE Grand Rapids, Michigan 49503 We're next to the Taco Bell Restaurant look for the greenhouse! PDF brochure with map Close to downtown, between Fuller and Diamond. Take Fuller exit off 196 and head west on Michigan. Google map 4640 West River Dr. Comstock Park, Mi. 49321 We're just off 131 near the White Caps Stadium! Only 10 minutes from Rockford, Michigan, close to Cedar Springs or Greenville, and not far from the lakeshore! Quick on/off 131 access using West River Drive exit. Google map
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Growco Indoor Garden Supply has 2 stores in western Michigan:
Growco store hours at both locations:
Monday - Friday: 11:00 am - 7:00 pm Saturday: 12:00 noon - 4:00 pm Sunday: Sorry, we're closed
1042 Michigan Street NE Grand Rapids, Michigan 49503
We're next to the Taco Bell Restaurant look for the greenhouse!
PDF brochure with map
Close to downtown, between Fuller and Diamond. Take Fuller exit off 196 and head west on Michigan.
Google map
4640 West River Dr. Comstock Park, Mi. 49321
We're just off 131 near the White Caps Stadium!
Only 10 minutes from Rockford, Michigan, close to Cedar Springs or Greenville, and not far from the lakeshore! Quick on/off 131 access using West River Drive exit.
Brand Name Nutrients Feeding Schedules Instruction Manuals Growing FAQ's Cloning Machines PPM / EC Conversions Convert Liquid Volumes Grow Light Tutorial Light Bulb Tutorial Hydroponics Tutorial
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Bulbs: Cases of HPS lamps Cases of MH lamps Compact fluorescent bulbs Combo Grow Light / Hydroponics Packages Conversion growlight bulbs Fluorescent growlight tubes High Pressure Sodium (HPS) growlight bulbs Hybrid MH & HPS combo bulbs Metal Halide (MH) growlight bulbs Eye Hortilux lamps Tutorial
Cloning / Plant Propagation: Cloning Machines Cloning Gels and Solutions Cloning / Plant Propagation Nutrients Cloning Machine / Grow Light Packages Grow Lights / Height Adjusters Seeds, Organic Starter Plugs and Trays Pots and Containers
Grow Light Equipment: Accessories Ballasts: Hydrofarm Powerhouse ballasts Hydrofarm Xtrasun ballasts Lumatek ballasts (Hydrofarm plug) Lumatek ballasts (SS type plug) NexGen Digital Ballasts Quantum Dimmable ballasts Sunlight Supply Galaxy ballasts Sunlight Supply Harvest Pro Elite ballasts Compact Fluorescent Fixtures Complete Grow Light / Hydroponics Packages Fluorescent Lighting Fixtures Greenhouse HID Light Fixtures Grow Light System Packages: Hydrofarm Complete Light Systems Hortilux HID Bundle Hydrofarm Grow Light Packages NextGen Ballast Grow Light Packages Quantum Ballast Grow Light Packages Sunleaves Complete Light Packages Sunlight Supply Grow Light Packages HID Light Controllers LED Grow Lights Light Movers Reflective Sheeting/Films Reflectors: Glass cylinder (tube) reflectors Hydrofarm reflectors Hydrotek reflectors Sunlight Supply reflectors HID reflectors with built-in ballasts Tutorial
Grow Room Supplies: Air Cleaners Air Conditioners Atmospheric / Climate Controls CO2 Generators CO2 Injection and Testers Composting Supplies Ducting Supplies Exhaust Fans Exhaust Fan Filters Garden Tools / Pruners Grow Tents Growing Mediums Light Movers & Reflective Sheeting Misters & Measurers Odor Control Pest & Disease Control pH Adjusters pH, EC/TDS, PPM Meters & Testers pH, EC/TDS, PPM Meter Maintenance Solutions Plant pots and containers Timers Water Purifiers
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Hydroponics: All Hydroponics Systems Aeroponics Cloning Machines Combo Hydroponics / Grow Light Packages Deep Water Culture (passive) Hydroponics Drip (Top-Feed) Hydroponics Systems Ebb & Flow Hydroponics Systems Grow Tents (indoor greenhouses) Hydroponics Maintenance Pumps, Plumbing and Parts Reservoirs and Plant Trays Rotating Hydroponics Systems Tutorial - Hydroponics Vertical Hydroponics Gardens Water Purifiers
Nutrients and Fertilizers: Biological Inoculants Brand Names Cloning Nutrients / Solutions Foliar Sprays Nutrients Organic Fertilizers Supplements / Additives
Bonsai Tools & Supplies: Cut Dressings Cutters Digging and Root Tools Miscellaneous Misters and Measurers Nutrients and Fertilizers Potting Tools and Growing Mediums Shears and Trimmers Tool Kits Wire, Wire Cutters and Pliers
Questions and Answers (FAQ): Bat Guano Fertilizers Can-Fan / Can-Filter Setup Exhaust Fans Explained Foliar Feeding General Questions & Answers Grow Seedling in Ebb & Flow Growing Vegetables Indoors Growroom Odor Control Heat Control in Growroom Odor Control using Polishing Plant cuttings - how to make them Plant cuttings under a tray dome Root Rot and Hydroponic Systems Seed Germination Spidermite Control Spidermite Prevention Thrip Facts Transplant Seedlings into Ebb & Flow Hydro Winter Survival for Houseplants
Reference Material: Calculate Exhaust Fan / Filter Sizes Calculate Grow Light Wattage Books / DVDs Feeding Charts / Application Rates Gardening Abbreviations Installation Manuals Liquid Conversions PPM / EC Conversions Temperature Conversions Garden Photos
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Growco Indoor Garden Supply 1042 Michigan NE · Grand Rapids, Michigan USA 49503-1908 phone: (616) 454-6900 · toll free: 877-939-6900 email
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