Explore the full range of hydroponic supplies at Holland Horticulture. From LED grow lights and plant nutrients to grow tents, ventilation systems, and climate control solutions — everything you need for successful indoor growing is right here. We stock trusted brands like Lumatek, Telos, Atami, Canna, and many more, with expert support and fast UK delivery.
Gorilla Grow Tent 2ft Extension Kit
Sale priceFrom £115.95
Gorilla Pro Flexi Tank
Sale priceFrom £41.95
Gorilla Propagation LED 24W 120cm with UK Plug
Sale price£25.00
GorillaBox Tent
Sale priceFrom £65.00
Grassroots Living Soil Pots
Sale priceFrom £10.00
Great White - Premium Mycorrhizae
Sale priceFrom £13.99
Green Box Tent 60cm x 40cm x 200cm
Sale price£120.00
Green House Feeding Booster - 1KG
Sale price£44.95
Green House Feeding Calcium - 1KG
Sale price£20.00
Green House Feeding Enhancer
Sale price£84.99
Green House Feeding Grow
Sale price£26.55
Green House Feeding Hybrids
Sale priceFrom £26.55
Green House Feeding Long Flowering
Sale price£26.55
Green House Feeding Short Flowering
Sale priceFrom £26.55
Green LED Head Torch
Sale price£7.50
Green Planet Bud Booster 1-50-30
Sale priceFrom £30.00
Green Planet Dense Bud Compact
Sale priceFrom £29.95
Green Planet Dual Fuel 2 Part Kit
Sale price£44.99
Green Planet Liquid Weight
Sale priceFrom £13.95
Green Planet Massive Bloom
Sale priceFrom £17.95
Green Planet Nutrients Medi-One - 1L
Sale price£24.40
Green Planet Rezin - 1L
Sale priceFrom £25.95
Green Smart Large Cream Pot
Sale price£39.99
Green Tulipz Pure Terpz - 1L
Sale price£21.00
Grenade Black
Sale priceFrom £40.00
Grenade Green
Sale priceFrom £50.00
Gro-Tank GT604 Corriboard - Black
Sale price£5.45
Grotek Monster Bloom
Sale priceFrom £11.49
Grotek Monster Grow Pro
Sale priceFrom £11.40
Grotek Pro Silicate - 1L
Sale price£11.99
Grow Bitz Hose Connector Set
Sale price£2.50
Grow Bitz Humidifer 23L
Sale price£180.00
Grow Bitz pH Truncheon
Sale price£55.00
Grow Genius Mono Silicic
Sale priceFrom £21.95
Grow Genius Plant Wash Concentrate – Triple-Action Pest Control
Sale priceFrom £20.00
Grow Genius Whole in One 250ml
Sale price£50.00
Grow Warm Oil Radiator
Sale priceFrom £35.00
Growlite OG 600w 6" Complete
Sale price£284.95
Growlite OG 600w 6" Dimmable Complete
Sale price£289.95
Growlite OG 600w 8" Complete
Sale price£294.95
Growlite OG 600w 8" Dimmable Complete
Sale price£309.95
Growmax Reverse Osmosis System 500L
Sale price£253.00
Growth Technology Clonex Mist Spray
Sale priceFrom £8.45
Growth Technology Clonex Rooting Gel
Sale price£8.45
Growth Technology Conductivity Standard
Sale price£3.49
Growth Technology Formulex
Sale priceFrom £3.99