Skip to content
  • Facebook
  • Instagram

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

Check out our All New Website Navigation, Making life easier for our customers!

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
Phone Icon
Cart

Item added to your cart

View cart

Filter:

Availability
0 selected
Reset
Availability
Price
The highest price is £189.99 Reset
£
£
Brand
0 selected
Reset
Brand
Remove all

12 products

Filter and sort Filter

Filter and sort

Filter

12 products

Availability
Clear
Price

The highest price is £189.99

£
£
Clear
Brand
Clear
Remove all
Remove all

12 products

  • Ecothrive Neutralise - The Tap Water Dechlorinator

    Ecothrive Neutralise - The Tap Water Dechlorinator

    Ecothrive Neutralise - The Tap Water Dechlorinator

    Regular price From £21.99 GBP
    Regular price Sale price From £21.99 GBP
    Unit price /  per 
  • Growcentia - Mammoth P (Beneficial Microbes)

    Growcentia - Mammoth P (Beneficial Microbes)

    Growcentia - Mammoth P (Beneficial Microbes)

    Regular price From £119.99 GBP
    Regular price Sale price From £119.99 GBP
    Unit price /  per 
  • Canna - BioCanna - Bio Boost - Organic Plant Bloom Stimulator

    Canna - Bio Boost - Organic Plant Bloom Stimulator

    Sale

    Canna - Bio Boost - Organic Plant Bloom Stimulator

    Regular price £19.99 GBP
    Regular price £29.99 GBP Sale price £19.99 GBP
    Unit price /  per 
    Sale
  • Advanced Nutrients - B-52® - Powerful B-Vitamin (Bud and Stalk Strengthener)

    Advanced Nutrients - B-52® - Powerful B-Vitamin (Bud and Stalk Strengthener)

    Sale

    Advanced Nutrients - B-52® - Powerful B-Vitamin (Bud and Stalk Strengthener)

    Regular price £31.99 GBP
    Regular price £39.99 GBP Sale price £31.99 GBP
    Unit price /  per 
    Sale
  • Horticulture Pioneers - Hygrozyme (Enzymes)

    Horticulture Pioneers - Hygrozyme (Enzymes)

    Horticulture Pioneers - Hygrozyme (Enzymes)

    Regular price £39.99 GBP
    Regular price Sale price £39.99 GBP
    Unit price /  per 
  • Canna - BioCanna - Bio Rhizotonic - Organic Plant Additive

    Canna - Bio Rhizotonic - Organic Rooting Stimulator

    Canna - Bio Rhizotonic - Organic Rooting Stimulator

    Regular price £49.99 GBP
    Regular price Sale price £49.99 GBP
    Unit price /  per 
  • BioBizz - Alg A Mic - 1 Litre

    Biobizz - Alg-A-Mic - For stress-free plants!

    Biobizz - Alg-A-Mic - For stress-free plants!

    Regular price From £10.25 GBP
    Regular price Sale price From £10.25 GBP
    Unit price /  per 
  • BioBizz - Top Max - 1 Litre

    Biobizz - Top Max - Flowering Booster

    Biobizz - Top Max - Flowering Booster

    Regular price £29.99 GBP
    Regular price Sale price £29.99 GBP
    Unit price /  per 
  • BioBizz - Leaf Coat - 1 Litre

    Biobizz - Leaf Coat - protects plants!

    Biobizz - Leaf Coat - protects plants!

    Regular price £21.50 GBP
    Regular price Sale price £21.50 GBP
    Unit price /  per 
  • BioBizz - Fish Mix - 1 Litre

    Biobizz - Fish Mix - organic fish emulsion from the North Sea

    Biobizz - Fish Mix - organic fish emulsion from the North Sea

    Regular price £14.99 GBP
    Regular price Sale price £14.99 GBP
    Unit price /  per 
  • BioBizz - Bio Heaven - 1 Litre

    Biobizz - CalMag (Calcium and Magnesium)

    Biobizz - CalMag (Calcium and Magnesium)

    Regular price £19.99 GBP
    Regular price Sale price £19.99 GBP
    Unit price /  per 
  • BioBizz - Bio Heaven - 1 Litre

    Biobizz - Bio Heaven - stimulates enzymatic activity

    Biobizz - Bio Heaven - stimulates enzymatic activity

    Regular price From £25.95 GBP
    Regular price Sale price From £25.95 GBP
    Unit price /  per 

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
  • Visa
© 2024, 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.