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Best sticky traps for fungus gnats and houseplant pests compared in 2026

Yellow sticky traps are a simple way to monitor flying pests around houseplants, and they are easy to tuck into pots. We compared five packs on quantity, shape, target pests, placement, water resistance and price, so you can choose one that suits your plants and your budget.

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TRIITECH 50 Double-Sided Yellow Sticky Traps

Our Top Pick

Best overall

TRIITECH gives you 50 double-sided traps with a thick, waterproof and UV-resistant adhesive, making it the largest pack here for £5.60.

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Sticky traps for fungus gnats and houseplant pests compared side by side

Product	Brand	Price	Retailer	Pack quantity	Shape and format	Target pests	Placement and water resistance	Price
12 Double-Sided Yellow Sticky Traps, Butterfly and Sunflower Shapes	lnkey	£2.99Checked 6 Nov 2026, 17:00 UTC	Amazon UK	12 traps	Double-sided; 6 butterfly and 6 sunflower shapes	Pests around vegetables, flowers and indoor/outdoor plants	Peel and insert into soil or hang	£2.99
Blooven 30 Yellow Double-Sided Sticky Boards	Blooven	£4.99Checked 6 Nov 2026, 17:00 UTC	Amazon UK	30 boards	Double-sided yellow boards	Fungus gnats, fruit flies, whiteflies, winged aphids, thrips and other flying pests	Insert into potting soil; recommended for indoor use; watering does not affect adhesive	£4.99
aonova 30 Yellow Double-Sided Sticky Traps	aonova	£4.39Checked 6 Nov 2026, 17:00 UTC	Amazon UK	30 traps	Double-sided yellow traps	Fungus gnats, fruit flies, whiteflies, aphids, thrips and other flies	Place in soil or lay flat sticky side up; adhesive stays effective if splashed; advises caution outdoors	£4.39
Super Ninja 30 Leaf-Shaped Sticky Traps	Super Ninja	£5.99Checked 6 Nov 2026, 17:00 UTC	Amazon UK	30 traps	Leaf-shaped traps on stakes	Indoor fungus gnats	Push stake into soil; traps and packaging made with recycled materials; up to three months per trap	£5.99
TRIITECH 50 Double-Sided Yellow Sticky Traps	TRIITECH	£5.6Checked 6 Nov 2026, 17:00 UTC	Amazon UK	50 traps	Double-sided yellow traps	Flying pests in greenhouses, orchards, nurseries and gardens	Insert beside plants or into soil; waterproof and UV-resistant adhesive	£5.60

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Sticky trap reviews for fungus gnats and houseplant pests

Best for a few plants

12 Double-Sided Yellow Sticky Traps, Butterfly and Sunflower Shapes

A low-cost, decorative 12-trap pack that suits a small number of plants indoors or out.

This £2.99 pack has 12 double-sided yellow traps, six butterfly-shaped and six sunflower-shaped. You can peel and insert them into soil or hang them up, and they are intended for vegetables, flowers and indoor or outdoor plants. It is the cheapest option here, though the smallest pack, so it suits a modest collection.

Price£2.99Checked 6 Nov 2026, 17:00 UTC

Key Details

Pack quantity: 12 traps
Shape and format: Double-sided; 6 butterfly and 6 sunflower shapes
Target pests: Pests around vegetables, flowers and indoor/outdoor plants
Placement and water resistance: Peel and insert into soil or hang
Price: £2.99

What We Like

Lowest price of the five at £2.99
Butterfly and sunflower shapes with insert or hang options

Considerations

Only 12 traps, so it covers fewer plants

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Best for indoor plants

Blooven 30 Yellow Double-Sided Sticky Boards

A solid indoor-focused pack that names a wide list of flying houseplant pests and is designed to cope with watering.

Blooven offers 30 yellow double-sided boards for £4.99, aimed at fungus gnats, fruit flies, whiteflies, winged aphids, thrips and other flying pests. You insert them into potting soil, and watering does not affect the adhesive. They are recommended for indoor use to avoid harming beneficial insects outdoors.

Price£4.99Checked 6 Nov 2026, 17:00 UTC

Key Details

Pack quantity: 30 boards
Shape and format: Double-sided yellow boards
Target pests: Fungus gnats, fruit flies, whiteflies, winged aphids, thrips and other flying pests
Placement and water resistance: Insert into potting soil; recommended for indoor use; watering does not affect adhesive
Price: £4.99

What We Like

Clear list of target flying pests
Adhesive is unaffected by watering

Considerations

Recommended for indoor use

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Best value

aonova 30 Yellow Double-Sided Sticky Traps

The cheapest 30-trap pack here, with flexible placement and an adhesive that stays effective when splashed while watering.

At £4.39 for 30 double-sided yellow traps, aonova is the lowest-priced pack of that size. It targets fungus gnats, fruit flies, whiteflies, aphids, thrips and other flying flies. You can place the traps in soil or lay them flat sticky side up, and the adhesive stays effective if splashed. The product advises caution outdoors.

Price£4.39Checked 6 Nov 2026, 17:00 UTC

Key Details

Pack quantity: 30 traps
Shape and format: Double-sided yellow traps
Target pests: Fungus gnats, fruit flies, whiteflies, aphids, thrips and other flies
Placement and water resistance: Place in soil or lay flat sticky side up; adhesive stays effective if splashed; advises caution outdoors
Price: £4.39

What We Like

Lowest price among the 30-trap packs
Can be pushed into soil or laid flat sticky side up

Considerations

Outdoor use comes with a product-specific caution

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Best eco-minded pick

Super Ninja 30 Leaf-Shaped Sticky Traps

A leaf-shaped, stake-style design made with recycled materials suits indoor fungus gnat monitoring.

Super Ninja provides 30 leaf-shaped sticky traps for £5.99, aimed at indoor fungus gnats. Each trap has a stake you push into the soil, and both the traps and packaging are made with recycled materials. Each trap lasts up to three months.

Price£5.99Checked 6 Nov 2026, 17:00 UTC

Key Details

Pack quantity: 30 traps
Shape and format: Leaf-shaped traps on stakes
Target pests: Indoor fungus gnats
Placement and water resistance: Push stake into soil; traps and packaging made with recycled materials; up to three months per trap
Price: £5.99

What We Like

Leaf shape blends in with houseplants
Traps and packaging made with recycled materials

Considerations

Priciest of the 30-trap packs and focused on fungus gnats

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Best overall

TRIITECH 50 Double-Sided Yellow Sticky Traps

A large 50-trap pack with a thick, waterproof and UV-resistant adhesive suits anyone with plenty of pots or a greenhouse to cover.

TRIITECH supplies 50 double-sided yellow traps for £5.60, the biggest pack here. The thick adhesive is waterproof and UV-resistant, and the traps are intended for greenhouses, orchards, nurseries and gardens. You insert them beside plants or into soil, which makes them easy to spread across a large collection of houseplants.

Price£5.6Checked 6 Nov 2026, 17:00 UTC

Key Details

Pack quantity: 50 traps
Shape and format: Double-sided yellow traps
Target pests: Flying pests in greenhouses, orchards, nurseries and gardens
Placement and water resistance: Insert beside plants or into soil; waterproof and UV-resistant adhesive
Price: £5.60

What We Like

Largest pack of the five at 50 traps
Thick adhesive that is waterproof and UV-resistant

Considerations

The set has a more focused format than some of the larger multi-feature alternatives.

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