Skip to content
  • Facebook
  • Instagram

Welcome to Black Flag Horticulture Coventry's Number One Horticultural Outlet!

We now accept Cryto Currencies: BTC (Bitcoin), ETH (Ether), ADA (Cardano), XRP (Ripple) & SOL(Solana)

FREE Shipping on all orders £150 or more(Not including growing media

Introducing Dahlia Rose: Your 24Hour AI Horticultural Assistant is NOW LIVE!

We are Proud Stockists of your Favorite Feeds & Additives.

  • 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
    • Contact Us
    • New & Updates
    • FAQ's
    • MUSHBAG GROW GUIDE
    • Returns Policy
Log in

Language

  • English
  • Shqip
  • Polski
  • Facebook
  • Instagram
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
    • Contact Us
    • New & Updates
    • FAQ's
    • MUSHBAG GROW GUIDE
    • Returns Policy

Language

  • English
  • Shqip
  • Polski
Log in Cart

Item added to your cart

View cart

Filter:

Availability
0 selected
Reset
Availability
Price
The highest price is £599.99 Reset
£
£
Brand
0 selected
Reset
Brand
Remove all

122 products

Filter and sort Filter

Filter and sort

Filter

122 products

Availability
Clear
Price

The highest price is £599.99

£
£
Clear
Brand
Clear
Remove all
Remove all

122 products

  • Intense Nutrients - Climax - Plant Finisher - 1 Litre Intense Nutrients - Climax (Plant Finisher)

    Intense Nutrients - Climax (Plant Finisher)

    Intense Nutrients - Climax (Plant Finisher)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Intense Nutrients - Silicon Ultra - 250ml Intense Nutrients - Silicon Ultra - Pro Series

    Intense Nutrients - Silicon Ultra - Pro Series

    Intense Nutrients - Silicon Ultra - Pro Series

    Regular price From £54.95 GBP
    Regular price Sale price From £54.95 GBP
  • Advanced Nutrients - Bud Ignitor - 500ml Advanced Nutrients - Bud Ignitor® - Bloom Stimulator

    Advanced Nutrients - Bud Ignitor® - Bloom Stimulator

    Sale

    Advanced Nutrients - Bud Ignitor® - Bloom Stimulator

    Regular price From £2.50 GBP
    Regular price £89.95 GBP Sale price From £2.50 GBP
    Sale
  • intense Nutrients - Down 'n' Dirty (PH Down) intense Nutrients - Down 'n' Dirty (PH Down)

    intense Nutrients - Down 'n' Dirty (PH Down)

    intense Nutrients - Down 'n' Dirty (PH Down)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • BioBizz -All Mix (50 Litres) (Premium Soil Mix for Vigorous Plant Growth)

    BioBizz -All Mix (50 Litres) (Premium Soil Mix for Vigorous Plant Growth)

    Sale

    BioBizz -All Mix (50 Litres) (Premium Soil Mix for Vigorous Plant Growth)

    Regular price From £3.74 GBP
    Regular price £30.00 GBP Sale price From £3.74 GBP
    Sale
  • BioBizz - Light Mix - Oranic Soil Substrate - 50 Litres BioBizz - Light Mix

    BioBizz - Light Mix

    BioBizz - Light Mix

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • Intense Nutrients - OG Granules - 350g Intense Nutrients - OG Granules - 700g

    Intense Nutrients - OG Granules (Mycorrhizals)

    Intense Nutrients - OG Granules (Mycorrhizals)

    Regular price From £16.95 GBP
    Regular price Sale price From £16.95 GBP
  • House & Garden - Shooting Powder (PK Booster) House & Garden - Shooting Powder (PK Booster)

    House & Garden - Shooting Powder (PK Booster)

    House & Garden - Shooting Powder (PK Booster)

    Regular price From £9.99 GBP
    Regular price Sale price From £9.99 GBP
  • Canna - CannaZym - Plant Additive - 1 Litre Canna - Cannazym - Enzymes

    Canna - Cannazym - Enzymes

    Sale

    Canna - Cannazym - Enzymes

    Regular price From £2.50 GBP
    Regular price £146.99 GBP Sale price From £2.50 GBP
    Sale
  • Advanced Nutrients - Flawless Finish - 1 Litre Advanced Nutrients - Flawless Finish® - Flusher

    Advanced Nutrients - Flawless Finish® - Flusher

    Sale

    Advanced Nutrients - Flawless Finish® - Flusher

    Regular price From £2.50 GBP
    Regular price £22.95 GBP Sale price From £2.50 GBP
    Sale
  • Canna - Coco Pebble mix 60/40

    Canna - Coco Pebble mix 60/40

    Canna - Coco Pebble mix 60/40

    Regular price From £3.50 GBP
    Regular price Sale price From £3.50 GBP
  • Canna - Coco Natural (50 Litres) (Premium Coco Coir Mix for Vigorous Plant Growth)

    Canna - Coco Natural (50 Litres) (Premium Coco Coir Mix for Vigorous Plant Growth)

    Sale

    Canna - Coco Natural (50 Litres) (Premium Coco Coir Mix for Vigorous Plant Growth)

    Regular price From £2.99 GBP
    Regular price £30.00 GBP Sale price From £2.99 GBP
    Sale
  • Canna - CalMag Agent - Water Enhancement - 1 Litre Canna CalMag Agent for Balanced Calcium and Magnesium Supplementation

    Canna CalMag Agent for Balanced Calcium and Magnesium Supplementation

    Sale

    Canna CalMag Agent for Balanced Calcium and Magnesium Supplementation

    Regular price From £2.50 GBP
    Regular price £19.43 GBP Sale price From £2.50 GBP
    Sale
  • Advanced Nutrients - Big Bud Advanced Nutrients - Big Bud® - Bloom Booster

    Advanced Nutrients - Big Bud® - Bloom Booster

    Sale

    Advanced Nutrients - Big Bud® - Bloom Booster

    Regular price From £2.50 GBP
    Regular price £43.95 GBP Sale price From £2.50 GBP
    Sale
  • House & Garden - Multi Zyme (Enzymes) House & Garden - Multi Zyme (Enzymes)

    House & Garden - Multi Zyme (Enzymes)

    Sale

    House & Garden - Multi Zyme (Enzymes)

    Regular price From £21.95 GBP
    Regular price £24.99 GBP Sale price From £21.95 GBP
    Sale
  • Intense Nutrients - Dirt Bloom - 1 Litre Intense Nutrients - Dirt: Bloom (Base Feed)

    Intense Nutrients - Dirt: Bloom (Base Feed)

    Intense Nutrients - Dirt: Bloom (Base Feed)

    Regular price From £2.50 GBP
    Regular price Sale price From £2.50 GBP
  • BioBizz -Light Mix (Premium Soil Mix for Vigorous Plant Growth)

    BioBizz -Light Mix (Premium Soil Mix for Vigorous Plant Growth)

    Sale

    BioBizz -Light Mix (Premium Soil Mix for Vigorous Plant Growth)

    Regular price From £2.57 GBP
    Regular price £30.00 GBP Sale price From £2.57 GBP
    Sale
  • Advanced Nutrients - Sensi Coco Bloom - A&B Set - 1 Litre - Coco Base Feed Advanced Nutrients - Sensi Coco: Bloom (A & B Set) - pH Perfect®

    Advanced Nutrients - Sensi Coco: Bloom (A & B Set) - pH Perfect®

    Sale

    Advanced Nutrients - Sensi Coco: Bloom (A & B Set) - pH Perfect®

    Regular price From £2.50 GBP
    Regular price £28.95 GBP Sale price From £2.50 GBP
    Sale
  • Advanced Nutrients - Sensi Coco Grow - A&B Set - 1 Litre - Coco Base Feed Advanced Nutrients - Sensi - Coco: Grow (A&B Set) - pH Perfect®

    Advanced Nutrients - Sensi - Coco: Grow (A&B Set) - pH Perfect®

    Sale

    Advanced Nutrients - Sensi - Coco: Grow (A&B Set) - pH Perfect®

    Regular price From £2.50 GBP
    Regular price £28.95 GBP Sale price From £2.50 GBP
    Sale
  • Advanced Nutrients - OverDrive - 500ml Advanced Nutrients - Overdrive® - Finisher/Ripener

    Advanced Nutrients - Overdrive® - Finisher/Ripener

    Sale

    Advanced Nutrients - Overdrive® - Finisher/Ripener

    Regular price From £2.50 GBP
    Regular price £28.95 GBP Sale price From £2.50 GBP
    Sale
  • Advanced Nutrients - CarboLoad - 1 Litre Advanced Nutrients - CarboLoad® - Flowering Booster

    Advanced Nutrients - CarboLoad® - Flowering Booster

    Sale

    Advanced Nutrients - CarboLoad® - Flowering Booster

    Regular price From £2.50 GBP
    Regular price £12.00 GBP Sale price From £2.50 GBP
    Sale
  • Atami - Janeco-Lightmix - 50 Litres Atami - Janeco-Lightmix - 50 Litres

    Atami - Janeco-Lightmix - 50 Litres

    Sale

    Atami - Janeco-Lightmix - 50 Litres

    Regular price £12.95 GBP
    Regular price £15.00 GBP Sale price £12.95 GBP
    Sale
  • Intense Nutrients - Kickstart - 1 Litre Intense Nutrients - Kickstart (Propagation)

    Intense Nutrients - Kickstart (Propagation)

    Intense Nutrients - Kickstart (Propagation)

    Regular price From £9.99 GBP
    Regular price Sale price From £9.99 GBP
  • Buddhas Tree - PK 9/18 - PK Booster Buddhas Tree - PK 9/18 - PK Booster

    Buddhas Tree - PK 9/18 - PK Booster

    Buddhas Tree - PK 9/18 - PK Booster

    Regular price £74.99 GBP
    Regular price Sale price £74.99 GBP
  • 1
  • 2
  • 3
  • 4
  • …
  • 6

SUBSCRIBE TO OUR NEWSLETTERS

Stay in the know with the latest 'Products and Updates' from Black Flag Horticulture

Black Flag Horticulture Ltd©  2023 All Rights Reserved

Grow Your Own Way

  • Facebook
  • Instagram

Language

  • English
  • Shqip
  • Polski
Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • USDC
  • Visa
© 2025, Black Flag Horticulture Powered by Shopify
  • Refund policy
  • Privacy policy
  • Terms of service
  • Shipping policy
  • Contact information
  • Choosing a selection results in a full page refresh.
  • Opens in a new window.