Over 1,000 Different growing products in our 1,700+ sq ft warehouse in the Puhi Industrial area!  We also do special orders! Inquire on our ORDER page

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Every School should have a Garden!  We offer 10% OFF to all schools on Kaua'i for their Aqua, Hydro, Soil Garden Projects! Let's Grow Kaua'i together!

As a MAHALO to our Loyal Customer we are offering a GIH Rewards Program!  Spend $500 and receive $50 off future purchase. Sign-up in store.

Garden Island Hydro has everything you need to get the results you desire!  Kaua`i's 1-Stop GARDEN SHOP

  • Aqua, Hydro, Soil Growing Supplies
  • Organic & Sustainable
  • Nutrients & Enhancements 
  • Growing Mediums & Plant Care
  • In-door & Outdoor Growing
  • And so much more!