Featured Brands

Limited Time Offer

Varidrive Compact LED

25th Anniversary Special Offer

This year, we’re celebrating 25 years of The Greenhouse Effect! To mark this huge milestone, we’re offering this limited time deal on the Maxibright Varidrive Compact 720W LED. Now only £135 with our 10% discount.

 Browse Fans & Ventilation

Fans & Ventilation

Environment is Everything

We have a wide range of fans, filters, and other ventilation equipment to help create the perfect environment for your plants. We have the latest and greatest fans & filters from Wind King, Mountain Air, G.A.S, CAN, Rhino & more.

 Browse Water Chillers

Water Chillers

Hailea HC Nutrient Chillers

Keeping your water or nutrient solution at a stable, cool temperature is essential for strong, healthy plant growth and maximum yields. Hailea Chillers make it easy to maintain the perfect temperature for your water, no matter the heat level in your room.

Browse Pots & Trays

Pots & Trays

Container Choice Matters

From boosting root health to pest & disease management, and enhancing your home or garden’s style, plant pots do far more than just hold soil. We've got everything from Plastic Pots, Fabric Pots, Air-Pots, Garland Trays, & more.

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Growing Mediums

Premium-Grade Substrates

We stock a wide range of soils, coco, clay pebbles and rockwool. Selected by experts to provide optimal support, nourishment, and stability for your plants, ensuring robust growth and abundant yields.

The Greenhouse Effect
The Best Horticultural & Hydroponics Supply Shop in the UK!

Bringing the GHE Experience Direct to your home

Bringing the GHE Experience
Direct to your home

GHEDirect is the most experienced horticultural supply shop in the UK. We have the UK’s longest-established family-run horticultural, hydroponics and ventilation store based in Milton Keynes. Our expertise in hydroponics allows us to stock the highest quality products and offer the best advice for commercial and home growers.

Departments

Ventilation

Departments

Ventilation

10% Digital Discount Applied Automatically to Your Basket 💳

We give you an automatic 10% Discount when ordering from us online or paying in-store by card or digital means.

We accept: Credit Card / Debit Card, PayPal, Apple Pay, Google Pay, Bank Transfer

Payment Methods

Featured Products

Here are some of our best-sellers & staff picks from our Gardening, Hydroponics and Ventilation departments! 

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Gardena Basic Sprayer Set, Gardena, Sprayers and Hoses for Watering
Gardena Basic Sprayer Set, Gardena, Sprayers and Hoses for Watering
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Gardena Basic Sprayer Set

Original price was: £17.99.Current price is: £16.19.
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Gardena Basic Sprayer Set
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Garland Garden Trays, Garland, Pots & Trays, Plastic Pots and Trays
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Garland Garden Trays

Original price was: £5.49 – £29.99.Current price is: £4.94 – £26.99.
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Garland Garden Trays
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Lighthouse ECOHEAT Greenhouse Heater, Lighthouse, Greenhouse Accessories, Heaters
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Lighthouse ECOHEAT Greenhouse Heater

Original price was: £21.99 – £29.99.Current price is: £19.79 – £26.99.
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Lighthouse ECOHEAT Greenhouse Heater
Vitopod Heated Propagators with LED Lights, Propagation Bundles, Propagators, Propagation Lighting, Vitopod, Vitopod, Propagation Bundles, Propagation Lighting, Propagation Lighting, Vitopod, Propagation Lighting
Vitopod Heated Propagators with LED Lights, Propagation Bundles, Propagators, Propagation Lighting, Vitopod, Vitopod, Propagation Bundles, Propagation Lighting, Propagation Lighting, Vitopod, Propagation Lighting
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Vitopod Heated Propagators with LED Lights

£234.99 – £339.99
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Vitopod Heated Propagators with LED Lights

We Supply Everything You Need to Get Growing Under One Roof!

Expert advice and feed schedules can be found on our pages or call us for the human touch.

FREE delivery on orders over £50 with Next Day Delivery available on orders placed before 3pm*

*Additional surcharges may apply on heavy or awkward items. (More Info)

We currently have a 4.9 rating.
From our Google Reviews...

Testimonials

What Our Customers Say

Great company to deal with. Easy ordering online for a product which was delivered quickly and in perfect condition. The quality and value for money is excellent and received superb, personal communication from Helen throughout the process. Would definitely recommend this company.
Caroline A
Really great service! Not only the best prices I found scouring google but super quick and efficient delivery, website easy to navigate, clear to understand and search function works accurately and effectively. Have not found this as easy or trouble free on other sites. Now my go to supplier!
Ryan B
First class customer service, very helpful and attentive. All items arrived in pristine condition due to excellent packaging protection. Will certainly be buying from them again in the future.
William H

I've been using GHE for approx 3 years now, and they haven't let me down once. The prices are right too and I check regularly.

Steve G

Wow if all companies were as good and as fast delivering everyone's life would be a little less stressfull. Awesome guys job very very well done, hats off highly recommend them

Dave J

Excellent service from start to finish! Helen was incredibly helpful, items delivered quickly and efficiently and order was packed perfectly so everything arrived in perfect condition.

Graham B

Can’t rate GHE highly enough, great stocks, great prices, great communication re deliveries, orders well packaged. Been struggling to get what I want from my local hydro shop for the last couple of years, now i’ll just shop with GHE.

Graham J
First class service other companies don’t mach The Greenhouse Effect for quality price delivery or service as an 86 year old who potters about the garden and greenhouse I would highly recommend this company to friends and family
Kenneth R

    Over 20 Years in the Growing Business

    The Greenhouse Effect has extensive experience working on large and small-scale horticultural setups.
    All that experience is found in the products we stock and the advice we give.

    We are fully stocked with industry-leading products including LED Grow Lights, Grow Systems, Nutrients, Boosters & Additives, Grow Mediums, Fans & Ventilation, Propagators, Water Management, and everything you need for Gardening.

    New In-Store

    GHEDirect are always on the lookout for great new products. Here are some recent additions.

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    Copper Tape - Slug & Snail Repellent, Accessories, Pest Control, Garden Accessories, Pest & Disease
    Copper Tape - Slug & Snail Repellent, Accessories, Pest Control, Garden Accessories, Pest & Disease
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    Copper Tape – Slug & Snail Repellent

    Original price was: £9.99 – £14.43.Current price is: £8.99 – £12.99.
    Select options This product has multiple variants. The options may be chosen on the product page
    Copper Tape - Slug & Snail Repellent
    -10%
    IWS Flood & Drain Trident 25L, IWS, Grow Systems, IWS Flood and Drain
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    IWS Flood & Drain Trident 25L

    Original price was: £749.99 – £2,079.99.Current price is: £674.99 – £1,871.99.
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    IWS Flood & Drain Trident 25L
    -10%New
    Maxibright Varidrive Compact 720W LED, Maxibright, LED Lighting, LED Lighting
    Maxibright Varidrive Compact 720W LED, Maxibright, LED Lighting, LED Lighting
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    Maxibright Varidrive Compact 720W LED

    Original price was: £150.00.Current price is: £135.00.
    Select options This product has multiple variants. The options may be chosen on the product page
    Maxibright Varidrive Compact 720W LED
    -10%
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    PHOTOBIO Advanced Quantum PAR Meter

    Original price was: £249.99.Current price is: £224.99.
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    PHOTOBIO Advanced Quantum PAR Meter

      Visit Us In Milton Keynes

      We are proud to say that The Greenhouse Effect store in Milton Keynes is one of the best horticulture and hydroponic supply shops in the UK. Visitors are always welcome and we can be found just off the M1 motorway in Buckinghamshire.

      Our 10,000-square-foot store includes a working Grow Room, so you can see some of our products in action.

      Join Our Newsletter

      GHE Expert Advice

      We love to share our knowledge of growing plants and information on our products. Check out all our advice on our blog:

      Read More Blogs

      Bringing the GHE Experience Direct to Your Home!

      Order online right here and get the GHE experience directly to your home. If you need any assistance our years of combined experience is available for you. 

      Call our team to chat about your hydroponic or horticultural issue and we will use all our experience to help. As the UK’s longest-established family-run horticulture, hydroponics & ventilation store our team is happy to use our expertise to suggest solutions and help.