11 of the most useful greenhouse accessories

Once you’ve got your house constructed and have stocked up on greenhouse spares like greenhouse clips or extra tunnel sheeting, you can get to work kitting out the inside.

There are plenty of useful greenhouse accessories to help make your space the best gardening environment and complete your growing experience. The items below also make practical greenhouse gifts if you're looking for gardening gift ideas.

If space is an issue, check out our guide to the best cold frames, which do a similar job on a smaller scale. Alternatively, you might find our guides to the best garden sheds and summer house ideas inspiring. And if you're looking to keep your greenhouse in tip top condition, our experts have tested the best pressure washers so you can buy in confidence.

Browse our curated list of useful greenhouse shelves, tools and equipment below:

11 useful greenhouse accessories

Greenhouse staging

If you’re in need of some extra growing space and are looking for greenhouse shelves or greenhouse tables, this metal staging is just the thing. Made from rust and rot proof aluminium, it's long lasting and maintenance free and the surface is slatted to provide air circulation and allow water to flow freely away. Staging arrives ready to be self-assembled and the dimensions of this model are L175cm x W46cm.

Price: £92.40

Buy Two Wests & Elliott Single Tier Standard Up Staging at Two Wests & Elliott

Maximum and minimum thermometer

Keep track of both the maximum and minimum temperatures in your greenhouse and monitor the humidity of your space with this handy thermometer. Knowing the precise conditions of your greenhouse will help you tailor the environment to suit your plants perfectly. This greenhouse thermometer has a built-in stand or can be wall-mounted and is powered with a single AAA battery.

Price: £15.95

Buy Thermometer & Hygrometer at Harrod Horticultural

Heater

A heater will keep your greenhouse warm so you can continue to grow and nurture your plants even when temperatures drop in winter. It will also allow you to control the temperature throughout the year and prevent sudden fluctuations outdoors affecting the conditions inside your greenhouse. This eco version uses a similar amount of energy to a standard light bulb, which the brand claims is 25% less than other tube heaters.

Price: £23.89

Buy LightHouse Eco Heat Greenhouse Heater at Amazon

Watering can

A watering can is one of the most essential greenhouse accessories, vital for watering individual plants as and when they need it. This classic choice by Haws is made from quality galvanised steel, so it's durable and rust free and comes with a 10 year guarantee. The Warley Fall has a 4.5 litre capacity and a brass rose on the long reach spout. If you're in need of inspiration a Haws watering can also makes a great greenhouse gift idea.

Price: £71.99

Buy HAWS Warley Fall Metal Watering Can at Harrods Horticultural

Shading

Proper shading in your greenhouse can make all the difference for plants that need a little respite from the sun. These roller blinds are available in sets of two or four and attach to the glass with simple suction cups, so you can move them easily to whichever spot needs shading.

Price: from £39.99

Buy Roller Shading Blinds at Suttons

Tidy tray

A gardening tray is like a mini, portable potting bench, containing the compost while you work and easy to wipe clean and stack away when you're done. This tray by Tierra Garden is lightweight and tough and the low lip at the front allows easy access to your work space.

Price: £14.35

Buy Tierra Garden Tidy Tray at Amazon

Seed trays

Seed trays are some of the most useful greenhouse accessories and are just what you need to propagate and nurture new plants. These packs of five trays by Bosmere are available with 24, 40 or 75 cell inserts and have raised channels to help water drain away easily.

Price: £5.49

Buy Bosmere 40-Cell Inserts at Amazon

Compost scoop

A trusty scoop is a handy tool for all potting on and planting jobs. This rust proof, stainless steel scoop by Wilkinson Sword has a weatherproofed ash handle that's ergonomically designed, so it's comfortable to hold and built to last.

Price: £11.38

Buy Wilkinson Sword Stainless Steel Compost Scoop at Keen Gardener

Drip feed watering system

An automatic drip watering system can save you time and energy and help conserve water by giving your plants only the water they need. This solar powered set from Claber can irrigate up to 20 pots and requires no tap connection just a tank filled with water that's then drawn through the drippers to your plants.

Price: £79.24

Buy Claber Aqua-Magic Solar Powered Automatic Watering Kit at Keen Gardener

Capillary matting

Capillary matting is a useful greenhouse accessory that's used to keep water constantly in contact with your plants. A thick, woolly material, it's highly absorbent and when placed in the base of trays and watered will help keep your plants roots moist. This matting by Gardman comes in single packs of 2 metres by 60cm sheets.

Price: £10.60

Buy Gardman Water Retaining Matting at Amazon

Propagator

If you want to give your greenhouse plants a head start a heated propagator will do just that. Providing a constant automatically controlled temperature, this propagator from Suttons has three isolated sections, to help prevent the spread of damping off and other air-borne diseases. The lids are vented so you can control each environment individually.

Price: £99.99

Buy Big 3 Electric Propagator at Suttons

This Product Guide was last updated in March 2022 and we apologise if anything has changed in price or availability.