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Black Flag Horticulture
  • Home
  • Bundle Deals
  • Growing Media
    • Coco Substrates
    • Soil Substrates
    • Rockwool & Jiffy Plugs
    • All Growing Media
  • Propagation
    • Propagators
    • Rockwool & Plugs
    • Rooting Agents
  • Environments
    • Propagation Grow Tents
    • Lighthouse Tents
    • Environments Accessories
  • Climate
    • Ducting & Accessories
    • Extraction & Filtering
    • Fans
    • Sheeting
    • Tapes
    • Temperature Control
    • Humidity Control
    • Odour Control
    • Metal Work
  • Lights
    • LED Grow Lights
    • Grow Lights
    • Grow Light Accessories
    • Shop All
  • Nutrients
    • Base Feeds
    • Root Development
    • Veg Boosters
    • Enzymes
    • Mag/Cal
    • Flowering Boosters
    • P.K
    • Plant Finishers
    • pH Regulators
    • Silicon
  • Organics
    • Organic Nutrients
    • Organic Growing Media
    • Organic Plant Additives
  • Irrigation
    • Connectors
    • Pipes
    • Chillers
  • Plant Health
    • Pest & Disease Control
    • Plant Health
  • Pots & Trays
    • Plant Pots
    • Fabric Plant Pots
    • Saucers
  • Tools
    • Tanks & Reservoirs
    • Measuring Tools
    • Plant Support
    • Magical Butter Machine
    • Harvesting
    • Metering & Timers
    • Spray Bottles & Pumpers
    • All Tools & Accessories
  • Catalogue
    • Shop All
    • Brands
    • All Collections
  • Information
    • About Us
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  • X-Stream Dry Plugs - (77 per tray)

    X-Stream Dry Plugs - (77 per tray)

    X-Stream Dry Plugs - (77 per tray)

    Regular price £9.99 GBP
    Regular price Sale price £9.99 GBP
  • Plant Magic - Open Top Grow Bag

    Plant Magic - Open Top Grow Bag

    Plant Magic - Open Top Grow Bag

    Regular price From £2.95 GBP
    Regular price Sale price From £2.95 GBP
  • Emerald Harvest - Root Wizard (MASSIVE ROOT BUILDER)

    Emerald Harvest - Root Wizard (MASSIVE ROOT BUILDER)

    Emerald Harvest - Root Wizard (MASSIVE ROOT BUILDER)

    Regular price £79.99 GBP
    Regular price Sale price £79.99 GBP
  • Emerald Harvest - Sturdy Stalk (POTASSIUM SILICATE SUPPLEMENT)

    Emerald Harvest - Sturdy Stalk (POTASSIUM SILICATE SUPPLEMENT)

    Emerald Harvest - Sturdy Stalk (POTASSIUM SILICATE SUPPLEMENT)

    Regular price From £32.99 GBP
    Regular price Sale price From £32.99 GBP
  • Emerald Harvest - Micro (PROFESSIONAL 3-PART BASE NUTRIENT SERIES)

    Emerald Harvest - Micro (PROFESSIONAL 3-PART BASE NUTRIENT SERIES)

    Emerald Harvest - Micro (PROFESSIONAL 3-PART BASE NUTRIENT SERIES)

    Regular price £15.99 GBP
    Regular price Sale price £15.99 GBP
  • Sanlight - Gen 2 Evo + "Q-series" Power Lead

    Sanlight - Gen 2 Evo + "Q-series" Power Lead

    Sanlight - Gen 2 Evo + "Q-series" Power Lead

    Regular price £18.00 GBP
    Regular price Sale price £18.00 GBP
  • Crazy Hills- UpThrive (Grow Feed Fertilizer)

    Crazy Hills- UpThrive (Grow Feed Fertilizer)

    Crazy Hills- UpThrive (Grow Feed Fertilizer)

    Regular price £10.75 GBP
    Regular price Sale price £10.75 GBP
  • FlairForm - GreenDream-1

    FlairForm - GreenDream-1

    FlairForm - GreenDream-1

    Regular price £59.95 GBP
    Regular price Sale price £59.95 GBP
  • 50mm Golf Ball Airstone

    50mm Golf Ball Airstone

    50mm Golf Ball Airstone

    Regular price £1.70 GBP
    Regular price Sale price £1.70 GBP
  • Powerplant LED CONTROLLER Hydroponics LED Fixture Controller Powerplant LED CONTROLLER Hydroponics LED Fixture Controller

    Powerplant LED CONTROLLER Hydroponics LED Fixture Controller

    Powerplant LED CONTROLLER Hydroponics LED Fixture Controller

    Regular price £205.00 GBP
    Regular price Sale price £205.00 GBP
  • Advanced Nutrients: Growing Media - Coco Plus 50 Litre - Cultivator Series (70% Coco / 30% Perlite - 50 Litre)

    Advanced Nutrients: Growing Media - Coco Plus 50 Litre - Cultivator Series (70% Coco / 30% Perlite - 50 Litre)

    Advanced Nutrients: Growing Media - Coco Plus 50 Litre - Cultivator Series (70% Coco / 30% Perlite - 50 Litre)

    Regular price £15.49 GBP
    Regular price Sale price £15.49 GBP
  • Aptus - Regulator (NUTRITION MANAGER AND ANTI-STRESS PLANT ENHANCER)

    Aptus - Regulator (NUTRITION MANAGER AND ANTI-STRESS PLANT ENHANCER)

    Aptus - Regulator (NUTRITION MANAGER AND ANTI-STRESS PLANT ENHANCER)

    Regular price £249.95 GBP
    Regular price Sale price £249.95 GBP
  • VitaLink - Hydro MAX Grow (A&B Set) (Base Feed)

    VitaLink - Hydro MAX Grow (A&B Set) (Base Feed)

    VitaLink - Hydro MAX Grow (A&B Set) (Base Feed)

    Regular price From £14.92 GBP
    Regular price Sale price From £14.92 GBP
  • NPK Industries: RAW Terpz

    NPK Industries: RAW Terpz

    Sale

    NPK Industries: RAW Terpz

    Regular price £15.00 GBP
    Regular price £19.99 GBP Sale price £15.00 GBP
    Sale
  • House & Garden: Coco A & B (Set) (Base Feed)

    House & Garden: Coco A & B (Set) (Base Feed)

    Sale

    House & Garden: Coco A & B (Set) (Base Feed)

    Regular price £19.99 GBP
    Regular price £24.99 GBP Sale price £19.99 GBP
    Sale
  • House & Garden: Top Booster (Flowering Booster)

    House & Garden: Top Booster (Flowering Booster)

    Sale

    House & Garden: Top Booster (Flowering Booster)

    Regular price £15.99 GBP
    Regular price £24.99 GBP Sale price £15.99 GBP
    Sale
  • Emerald Harvest - Cali Pro Bloom (A&B set) - (Base Feed)

    Emerald Harvest - Cali Pro Bloom (A&B set) - (Base Feed)

    Emerald Harvest - Cali Pro Bloom (A&B set) - (Base Feed)

    Regular price From £19.99 GBP
    Regular price Sale price From £19.99 GBP
  • Shogun - Samurai Terra Grow - 1 Litre Shogun - Samurai Terra Grow (Base Feed)

    Shogun - Samurai Terra Grow (Base Feed)

    Shogun - Samurai Terra Grow (Base Feed)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Essentials PLUS - FULVIC (Fulvic Acids) Essentials PLUS - FULVIC (Fulvic Acids)

    Essentials PLUS - FULVIC (Fulvic Acids)

    Essentials PLUS - FULVIC (Fulvic Acids)

    Regular price From £24.95 GBP
    Regular price Sale price From £24.95 GBP
  • FloraMax - Flowering Enhancer - Bloom Booster

    FloraMax - Flowering Enhancer - Bloom Booster

    Sale

    FloraMax - Flowering Enhancer - Bloom Booster

    Regular price £88.95 GBP
    Regular price £94.99 GBP Sale price £88.95 GBP
    Sale
  • FloraMax - OrganaBud - Bloom Booster

    FloraMax - OrganaBud - Bloom Booster

    Sale

    FloraMax - OrganaBud - Bloom Booster

    Regular price £139.99 GBP
    Regular price £155.00 GBP Sale price £139.99 GBP
    Sale
  • FloraMax - Resin-XS

    FloraMax - Resin-XS

    Sale

    FloraMax - Resin-XS

    Regular price £44.99 GBP
    Regular price £51.00 GBP Sale price £44.99 GBP
    Sale
  • Buddhas Tree - Advanced Meta Boost (Flowering Booster)

    Buddhas Tree - Advanced Meta Boost (Flowering Booster)

    Sale

    Buddhas Tree - Advanced Meta Boost (Flowering Booster)

    Regular price £39.95 GBP
    Regular price £47.99 GBP Sale price £39.95 GBP
    Sale
  • VonHaus - 5 Tier Wire Shelving Unit (Black Powder Coated Metal Shelf) VonHaus - 5 Tier Wire Shelving Unit (Black Powder Coated Metal Shelf)

    VonHaus - 5 Tier Wire Shelving Unit (Black Powder Coated Metal Shelf)

    Sale

    VonHaus - 5 Tier Wire Shelving Unit (Black Powder Coated Metal Shelf)

    Regular price £74.99 GBP
    Regular price £87.56 GBP Sale price £74.99 GBP
    Sale
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