10 Best Propagator Lids For Seed Trays Extra Large in The UK

Last updated on 11/08/2025

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Muddy Hands

Muddy Hands Extra Large High Dome Electric Heated Windowsill Propagator Plant Seed Tray

Why We Love It

Fast germination for successful growth.
Ideal for seeds and cuttings.
Durable design for long-lasting use.

Main Highlights

This large electric propagator features a 24 watt heated base. Ideal for the keen gardener looking to grow seeds and cuttings in volume.
An injection moulded growing tray and crystal clear high dome vented cover sit on the heated base and create optimal growing conditions. The XL High Dome Electric Propagator is an ideal unit for growing vegetables, flowers or herbs.
Whether raising seeds or rooting cuttings, this simple non thermostatic control unit provides the perfect low cost means to growing success. Economical to run, the 24 watt heated base consumes minimal power. The electric base provides warmth which aids fast germination and supports young plant development. The crystal clear extra high top cover with adjustable vent enables the control of ideal humidity conditions.
All components are injection moulded in rigid plastic to give many years of repeat use. The growing tray (without drainage holes) is an ideal drip / irrigation tray for smaller pots or seed trays while the clear cover gives a full 15cm of height clearance. Please note the planted trays and pots shown inside the propagator are not included with the unit.
Size: Length: 59cm - Width: 41cm - Overall height including lid: 26.5cm

EarlyGrow MPL50115/2 Large Shatter Proof Propagator with Two Vented Height Extender Sets for Seed Germination and Plant Growth - 58 x 38 x 32cm

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Why We Love It

Shatter proof for durability.
Adjustable ventilation for efficiency.
Spacious design for lots plants.

Main Highlights

Shatter proof lid and sides are UV stabilised and crystal clear to allow for maximum light from either sunlight or grow lights for optimal plant growth
Adjustable ventilation control for air flow and humidity to give your plants the best environment to grow in
Sow seeds and cuttings organically with compost directly into the base or use smaller trays. Alternatively use coir or for hydroponic growers, rockwool or other growing medium
Large sized propagator with two extenders is 58 x 38 x 32cm providing space to grow lots of plants
Made in the UK from robust and durable injection moulded plastic makes our propagator reusable and made to last many years with care

Muddy Hands Extra Large High Dome Propagator Garden Greenhouse Plant Seedling Seed Germination Tray with Lid (With Drainage Holes)

Why We Love It

Durable due to heavy-duty plastic.
Promotes year-round plant propagation.
Temperature and pest control feature.

Main Highlights

Made from heavy duty plastic
Propagate and germinate all year round with this grow system
Functional grow tray with drainage holes at the bottom for optimal aeration and a transparent grow lid with unique ventilation for healthy growth.
The lid is equipped with a handy valve enabling you to regulate the air supply and adjust the temperature. It also prevents pests from getting to your young plants and seeds.
Size: Length: 58.5cm - Width: 41cm - Height: 22.5cm

Clear Plastic Full Size Seed Propagator Lids (Pack of 10)

Why We Love It

Fits standard seed trays perfectly.
Ensures faster seed germination.
Reusable with proper care.

Main Highlights

Designed to sit on British standard full-size seed trays (internal measurements 344 x 214 x 52 mm). N.B. All the trays we sell are manufactured by the same supplier who manufactures these lids
Keeps seeds and seedlings warm for faster germination
Slightly domed, 50mm clear plastic.
With a little careful handling, these lids and trays can be used over and over again - wash them after use & keep out of direct sunlight when storing them.
N.B. when your parcel has been marked as despatched, you will be given your tracking number in an email from Amazon. We recommend you then go to the courier's website and divert your parcel as necessary. Thank you
Why Not Have A Look At Our Competitively Priced Seed Trays And Seed Tray Inserts Too

Nutley's Full-Size Heavy Duty Transparent Durable Plastic Propagator Lids for Seed Tray - (Pack of 10), British Made

Why We Love It

Heavy duty and durable.
Optimal growth environment.
Easy to use.

Main Highlights

HEAVY DUTY AND DURABLE: Made from high-quality, thick plastic, these propagator lids are built to last. They are designed to fit full-size seed trays and propagators, and are perfect for both indoor and outdoor use.
OPTIMAL GROWTH ENVIRONMENT: These Seed Propagator Lids are specially designed to create a warm and humid environment for seed propagation, promoting faster and healthier germination.
EASY TO USE: These propagator lids are very easy to use, simply place them on top of your propagator or seed tray to provide a warm and humid environment for your plants. They are also easy to clean and maintain.
CLEAR AND INFORMATIVE: The clear plastic design of these Seed Propagator Lids allows for easy monitoring of seed growth and development, ensuring you can see the progress at a glance. The airtight seal provided by the lids keeps seeds moist and prevents drying, promoting better germination and growth.

Oakland Gardens Extra Large Seed Propagator with Shatterproof Lid – Adjustable Ventilation, UV-Stable, Durable Plastic | 58x38.5x23cm | Indoor & Outdoor Seed Germination Tray |Pack of 1

Why We Love It

Spacious for large-scale planting.
Shatterproof and UV-stable lid.
Adjustable ventilation for control.

Main Highlights

Spacious for Large-Scale Planting: Extra-large size for gardeners looking to germinate numerous seeds or larger plants with plenty of space for growth.
Shatterproof, UV-Stable Lid: The robust, shatterproof lid allows maximum light penetration, ensuring plants get the light they need for healthy germination and growth.
Adjustable Ventilation: Features an adjustable ventilation system for precise control of airflow and humidity, creating the perfect micro-climate for plants.
High-Quality, Reusable Design: Made from durable injection-molded plastic, this propagator is built for long-term, repeated use in both indoor and outdoor settings.
Ample Space for Plants: Measuring 58x38.5x23cm, this extra-large propagator offers plenty of space for starting large-scale seed and plant projects.

Muddy Hands High Dome Propagator Garden Greenhouse Plant Seedling Seed Germination Tray with Lid (Tray Comes Without Drainage Holes) (Extra Large)

Why We Love It

Heavy duty plastic construction.
Year-round propagation system.
Adjustable air supply valve.

Main Highlights

Made from heavy duty plastic
Propagate and germinate all year round with this grow system
Functional grow tray without drainage holes at the bottom and a transparent grow lid with unique ventilation for healthy growth.
The lid is equipped with a handy valve enabling you to regulate the air supply and adjust the temperature. It also prevents pests from getting to your young plants and seeds.
Size: Length: 58cm - Width: 40cm - Height: 22.5cm

Muddy Hands High Dome Propagator Garden Greenhouse Plant Seedling Seed Germination Tray with Lid (Tray Comes With Drainage Holes) (Extra Large)

Why We Love It

Durable heavy duty plastic.
Year-round propagation system.
Adjustable air supply valve.

Main Highlights

Made from heavy duty plastic
Propagate and germinate all year round with this grow system
Functional grow tray without drainage holes at the bottom and a transparent grow lid with unique ventilation for healthy growth.
The lid is equipped with a handy valve enabling you to regulate the air supply and adjust the temperature. It also prevents pests from getting to your young plants and seeds.
Size: Length: 58cm - Width: 40cm - Height: 22.5cm

EarlyGrow MPL50030/P Large Propagator with Shatterproof Lid 58 x 38 x 26 Centimetres - Green

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Why We Love It

Shatter resistant clear lid.
Adjustable ventilation control.
Ideal for all gardeners.

Main Highlights

Robust injection moulded tray with a clear shatter resistant lid
Adjustable ventilation for air flow and humidity control so you can regulate the growing conditions for your plants
Premium propagator which is great for growing your seeds early and ideal for beginners and experienced gardeners
Tapered walls make this propagator ideal for storing away with external dimensions of 58 x 34 x 26 Centimetres and internal dimensions at base measuring at 51.5cm long x 31.5cm wide x 8cm deep

Nutley's Full-Size Heavy Duty Durable Plastic Propagator Lids for Seed Tray - (Pack of 6), British Made

Why We Love It

Heavy duty and durable.
Optimal growth environment.
Easy to use.

Main Highlights

HEAVY DUTY AND DURABLE: Made from high-quality, thick plastic, these propagator lids are built to last. They are designed to fit full-size seed trays and propagators, and are perfect for both indoor and outdoor use.
OPTIMAL GROWTH ENVIRONMENT: These Seed Propagator Lids are specially designed to create a warm and humid environment for seed propagation, promoting faster and healthier germination.
EASY TO USE: These propagator lids are very easy to use, simply place them on top of your propagator or seed tray to provide a warm and humid environment for your plants. They are also easy to clean and maintain.
CLEAR AND INFORMATIVE: The clear plastic design of these Seed Propagator Lids allows for easy monitoring of seed growth and development, ensuring you can see the progress at a glance. The airtight seal provided by the lids keeps seeds moist and prevents drying, promoting better germination and growth.
VALUE PACK: The pack contains six lids, providing great value for your money.

8.7

Excellent

We scanned 1219 products

We reviewed these offers relevant to the Propagator Lids For Seed Trays Extra Large within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Muddy Hands, EarlyGrow, Gone Potty, Nutley's, Oakland Gardens, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Propagator Lids For Seed Trays Extra Large in the market, we considered we took a deep dive into 6096 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Muddy Hands Extra Large High Dome Electric Heated Windowsill Propagator Plant Seed Tray. We love many things about this product by Muddy Hands. What sets it apart from the competition is Fast germination for successful growth. , Ideal for seeds and cuttings. , Durable design for long-lasting use. .
The best value product for most shoppers and where user satisfaction is continuously the highest is EarlyGrow MPL50115/2 Large Shatter Proof Propagator with Two Vented Height Extender Sets for Seed Germination and Plant Growth - 58 x 38 x 32cm by EarlyGrow based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Propagator Lids For Seed Trays Extra Large and the best cost-to-value ratio is Nutley's Full-Size Heavy Duty Durable Plastic Propagator Lids for Seed Tray - (Pack of 6), British Madeat Nutley's with a % discount.
Our list of the best Propagator Lids For Seed Trays Extra Large is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Propagator Lids For Seed Trays Extra Large in The UK

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We scanned 1219 products

We concluded that: