Best Sticky Traps For Thrips: Blue Cards and Garden Traps

#1 · Best Overall

1. Qualirey Blue 6×8 Traps

• Material: Plastic
• Dimensions: 8.27"L x 6.1"W x 1.97"H
• Material Type: Plastic

Best for: High-volume blue thrips trapping.

Why it ranks #1: The 100-sheet pack uses double-sided blue adhesive and explicitly targets thrips; each sheet measures 6 by 8 inches.

One hundred blue, double-sided sheets make Qualirey’s 6-by-8-inch traps the high-quantity option here, and the listing says blue traps attract thrips more effectively than yellow ones. The PVC cards can be cut into different shapes, giving growers flexibility for roses, flowering plants, indoor greens, and other listed settings.

The blue color is presented as more effective for attracting thrips than yellow, while the double-sided adhesive also catches leaf miners, aphids, black flies, and fungus gnats. Each sheet can be cut into a square, triangle, rectangle, or another needed size, allowing placement to be adapted to the growing area. The listing also says stickiness remains after heavy rain, supporting outdoor use in wet conditions. With 100 sheets, the set supports broad placement or repeated replacement.

Skip it if you need ties and stands included for setup; Gideal’s 20-Pack Dual-Sided Yellow Sticky Traps includes both.

Choose this bulk set if you want blue cards for thrips across many plants and value the option to cut custom shapes. Rain resistance supports outdoor placement, but plan to trim sheets when full-size cards do not suit the location.

Listed on Amazon as: Qualirey 100 Pcs 6×8 Inch Blue Sticky Traps for Thrips

#2 · Largest Fold-Over Surface

2. CimoroWin Blue Monitoring Traps

• Material: Plastic
• Dimensions: 7.09"L x 3.94"W x 0.04"H
• Material Type: Plastic

Best for: Large-area greenhouse monitoring.

Why it ranks #2: These blue boards target thrips and leafminers, with a reverse-folded, double-sided adhesive surface measuring 3.94 by 14.17 inches.

Each CimoroWin trap unfolds to a 3.94-by-14.17-inch double-sided adhesive surface, giving growers a long monitoring area on a single board. The 20-pack targets thrips, leafminers, and other small flying insects around flowers, vegetables, and greenhouse crops, with metal twist ties included for setup.

The reverse-folding design reveals the stated large adhesive area, increasing exposure on each trap and helping diminish replacement frequency. Blue sticky boards capture insects physically without lure, and the intended targets include thrips and leafminers around crops and growing plants. Twenty metal twist ties support hanging or attaching the boards where monitoring is needed. Listed settings include gardens, greenhouses, indoor plants, flower areas, and hydroponics, so the pack can serve different plant-growing workflows.

Skip it if you need smaller cards that can be cut into custom shapes; Qualirey’s 100 Pcs 6×8 Inch Blue Sticky Traps can be cut to size.

This suits growers monitoring thrips and leafminers around greenhouse crops or other plant areas who want a long adhesive surface and included ties. Check that the unfolded board fits the available placement space before setting up.

Listed on Amazon as: 20 Pack Sticky Traps for Plants, No Lure,Thrips Leafminers,Blue

#3 · Grid Monitoring Pick

3. Seabright Blue 15-Pack

Best for: Grid-based greenhouse monitoring.

Why it ranks #3: Designed to catch thrips and leafminers, each weatherproof trap has 48 square inches of sticky surface and a monitoring grid.

A printed grid gives Seabright Laboratories’ blue traps a concrete monitoring advantage: growers can use the 48-square-inch sticky surface to observe catches with consistent visual reference. The 15-pack is weatherproof and intended for thrips and leafminers in greenhouses or outdoor rows, with the listing advising roughly one trap every seven feet or at each row end.

The grid supports precision monitoring by giving a reference across the adhesive surface, while the 48 square inches provide an area for catching and observation. The listing recommends placing a trap approximately every seven feet or at the end of each row, a spacing guide that helps organize greenhouse or outdoor coverage. These traps are non-poisonous and specifically described as not attracting beneficial insects. Their monitoring role and stated target pests make them a focused choice for crop rows.

Skip it if you want decorative cards inserted into individual pots; Cleanuper’s 58 Pack Yellow Sticky Gnat Traps has sunflower and butterfly shapes.

Best suited to growers monitoring thrips and leafminers along greenhouse or outdoor rows, especially when a grid is useful for comparing catches. Follow the stated row-spacing guidance; this is a monitoring-focused trap rather than a decorative pot card.

Listed on Amazon as: Blue Sticky Trap Thrips Leafminer Trap 15 Pack

#4 · High-Count Narrow Cards

4. Qualirey Blue 7.8×3.9 Traps

• Dimensions: 10.24"L x 6.69"W x 1.57"H

Best for: Bulk blue traps for thrips.

Why it ranks #4: The 100-piece set uses double-sided blue adhesive and lists thrips among its targets, offering a narrower alternative to the 6-by-8-inch sheets.

Qualirey’s 100 blue cards offer a large supply in a narrower 7.8-by-3.9-inch format, giving growers many slim placements around roses, flowering plants, Monstera, and indoor green areas. The double-sided adhesive targets thrips and other listed small flying pests, and the listing says blue attracts thrips more effectively than yellow.

The blue surface is specifically presented as more effective for attracting thrips than yellow, while adhesive on both faces can catch leaf miners, aphids, black flies, and fungus gnats as well. At 7.8 by 3.9 inches, each card has a narrower profile than the brand’s 6-by-8-inch version, which can suit locations where a broad sheet is less convenient. The 100-card quantity supports extensive placement, though the listing’s described settings center on plants and indoor green areas.

Skip it if you need 6-by-8-inch cards that can be cut to shape; Qualirey’s 100 Pcs 6×8 Inch Blue Sticky Traps offer that format.

Choose this bulk set for growers seeking many blue, double-sided cards in a slimmer shape for plant areas. Its format differs from 6-by-8-inch sheets, so consider the card footprint when planning placement around foliage.

Listed on Amazon as: Qualirey 100 Pcs Blue Sticky Traps for Thrips 7.8 X 3.9 Inch

#5

5. Hydrofarm Seabright Thrip Trap

Best for: Weather-exposed garden plants.

Why it ranks #5: This blue, weatherproof five-pack specifically lists thrips and leafminers and includes wire twists for attaching traps to plants.

Weatherproof construction makes Hydrofarm’s five Seabright traps a practical pick for exposed garden plants where rain could challenge ordinary sticky cards. The blue traps target thrips and a broad range of flying pests, and the included wire twists let you attach them directly to plants without damage.

The listing names thrips, aphids, whiteflies, leafhoppers, leafminers, and moths among the insects these traps attract, so one trap type can serve mixed pest monitoring. Weatherproofing supports use outdoors, while the wire twist provides a direct attachment method on a plant. With five traps per pack, this is a compact option for targeted placement rather than covering a large collection of plants; the broad target list also means catches are not limited to thrips.

Skip it if you need many cards for broad coverage; Qualirey’s 100 Pcs Blue Sticky Traps for Thrips provides a larger set.

This suits gardeners seeking weatherproof blue traps for a few plants, with wire twists for direct attachment. Choose it for targeted outdoor use; the five-card pack is a limited quantity for growers managing many plants.

Listed on Amazon as: Seabright HGSLTLT Sticky Thrip Leafminer Trap, Pack of 5

#6

6. Catchmaster GRO Blue Cards

• Material: Plastic
• Dimensions: 1"L x 1"W x 1"H
• Material Type: Plastic

Best for: Long-duration plant protection.

Why it ranks #6: The 72-pack uses ready-to-use, double-sided blue cards and lists thrips among the flying pests it helps catch around plants.

Catchmaster lists these 72 blue, double-sided cards for use up to one year depending on their environment, making them a fit for growers who want fewer routine replacements. Ready to use without fly bait, they target thrips alongside fungus gnats, whiteflies, fruit flies, aphids, and other listed pests.

The double-sided adhesive gives insects two exposed catching faces, and the ready-to-use format avoids adding fly bait before placement. Catchmaster lists applications across homes, farms, gardens, hydroponics, and greenhouses, so the 72-card pack can support multiple plant areas. The stated use period is up to one year, but it depends on the placement environment; that qualification matters when planning maintenance. The broad target list makes the cards useful for mixed flying-pest concerns, not only thrips.

Skip it if you need individual twist ties and stands included; Gideal’s 20-Pack Dual-Sided Yellow Sticky Traps lists both.

Choose these for growers managing several plant areas who value a ready-to-use blue card and a stated long use period. The one-year figure depends on conditions, so suit replacement timing to the trap’s environment.

Listed on Amazon as: Catchmaster GRO Blue Regular Double Sided Sticky Traps 72PK, Adhesive Bug & Fruit Fly Trap, Pest Control for Home, Farm, Garden, Hydroponics & Greenhouse, Protect Live Plants Indoor & Outdoor

#7

7. Gideal Yellow Garden Traps

• Material: Made of environmental-friendly materials…
• Material Type: Made of environmental-friendly materials…

Best for: Flexible home and garden placement.

Why it ranks #7: These 20 yellow, dual-sided 6-by-8-inch traps list thrips among their targets and include twist ties and two stands.

Gideal supplies 20 large, 6-by-8-inch yellow traps with stands and twist ties, giving growers more than one way to position cards around plants. The bright-yellow, double-sided adhesive targets thrips and other flying pests, while pesticide-free, non-toxic materials support use indoors or outdoors.

The yellow surface attracts listed flying pests including thrips, fungus gnats, whiteflies, fruit flies, and midges, and adhesive on both sides provides catching area on either face. Twenty twist ties and two stands let you choose between tying cards near plants or using the included supports. The listing covers houseplants, flowers, vegetables, balconies, greenhouses, orchards, and nurseries, so the pack can serve varied growing spaces; it is intended for bright places.

Skip it if you need blue cards aimed more strongly at thrips; Qualirey’s 100 Pcs 6×8 Inch Blue Sticky Traps are blue.

Pick this set if you want flexible placement across home plants or garden crops, with stands and ties included. Its yellow cards suit bright locations; growers seeking blue traps specifically for thrips may prefer a blue option.

Listed on Amazon as: Gideal 20-Pack Dual-Sided Yellow Sticky Traps for Flying Plant Insect Such as Fungus Gnats, Whiteflies, Aphids, Leafminers,Thrips – (6×8 Inches, Included 20pcs Twist Ties)

#8

8. Garutom Yellow Garden Traps

• Material: Paper
• Material Type: Paper

Best for: Rain- and heat-exposed plants.

Why it ranks #8: The 20-pack includes 6-by-8-inch yellow traps, twist ties and two holders; its listing includes thrips among flying-insect targets.

Garutom’s 20 yellow traps are described as serviceable after heavy rain and high temperatures, a useful combination for outdoor plant areas exposed to changing weather. Each 6-by-8-inch card is double-sided, and the pack includes twist ties and plastic holders for placement around plants indoors or outside.

The waterproof and heat-resistant performance claims support using the cards in outdoor conditions, while strong adhesive on both faces catches listed flyers including thrips, fruit flies, whiteflies, aphids, and leaf miners. Twenty wire ties and two plastic holders offer alternative ways to position the 20 cards around plants. The listing describes the traps as non-toxic and made from thicker PVC materials. They are intended for flying plant insects and explicitly not applicable to mosquitoes.

Skip it if you need blue cards specifically aimed at thrips; Qualirey’s 100 Pcs 6×8 Inch Blue Sticky Traps are blue.

This set fits growers placing traps outdoors where rain or heat exposure matters, with ties and holders for flexible setup. It targets flying plant pests, not mosquitoes, so choose it for plant protection rather than general mosquito control.

Listed on Amazon as: Garutom 20-Pack Dual-Sided Yellow Sticky Traps for Flying Plant Insect Such as Fungus Gnats, Whiteflies, Aphids, Leafminers, etc (6×8 Inches, Included 20pcs Twist Ties)

#9

9. Cleanuper Blue Plant Traps

• Material: Paper, Plastic, Glue
• Dimensions: 8"L x 7"W x 0.6"H
• Material Type: Paper, Plastic, Glue

Best for: Decorative indoor plant displays.

Why it ranks #9: These 58 decorative blue traps list thrips among their targets and use double-sided adhesive, though the listing emphasizes several other flying pests.

Cloud- and flower-shaped blue cards give this 58-pack of Cleanuper traps a less utilitarian look in houseplant displays. Their double-sided adhesive catches thrips and other listed flying pests on contact, without bait or batteries, so you can add passive interception around pots without setting up a powered device.

Each card has adhesive on both faces, allowing insects to stick whichever side they land on. The cards target thrips alongside fungus gnats, fruit flies, whiteflies, aphids, and midges, making them a broad-use option for indoor plant areas. Remove the protective film from both sides before inserting a card, as the listing specifies; this step exposes the adhesive for catching. The 58-card quantity supports placing traps across several plants or replacing used cards as needed.

Skip it if you want a grid for counting catches; Seabright Laboratories Blue Sticky Trap has a monitoring grid.

Choose these for indoor growers who want passive, decorative cards for several plants and a broad range of flying pests. Their appeal is the shaped blue design; growers needing a monitoring grid should consider a gridded trap instead.

Listed on Amazon as: 58 Pack Gnat Killer Sticky Traps for Plants – Blue Fungus Gnat Sticky Trap for Indoor Houseplants, Fruit Flies, Whiteflies, Aphids – Family Friendly Design, Flower and Cloud Shapes

#10

10. Cleanuper Yellow Plant Traps

• Material: Paper, Plastic, Glue
• Dimensions: 8"L x 7"W x 0.6"H
• Material Type: Paper, Plastic, Glue

Best for: Decorative yellow pot placement.

Why it ranks #10: The 58 decorative yellow traps list thrips among their targets, but the listing focuses on gnats, fruit flies, whiteflies and aphids.

Sunflower and butterfly shapes distinguish this Cleanuper 58-pack from plain cards while keeping yellow adhesive surfaces visible in plant displays. The double-sided traps target thrips, fungus gnats, aphids, fruit flies, and whiteflies; placing them at soil level near drainage holes is the listed method for faster results.

The adhesive works on both faces, increasing the exposed catching area when cards are positioned near plants. Cleanuper lists indoor plants and outdoor gardens as suitable settings, and specifically recommends placing each trap at soil level near drainage holes for fastest results. The sunflower and butterfly forms can sit among pots as decorative shapes, while the yellow color serves as the trap surface. Since the cards target several flying pests, they suit growers addressing mixed infestations rather than thrips alone.

Skip it if you need a blue grid for monitoring catches; Seabright Laboratories Blue Sticky Trap provides a grid.

A good fit for indoor plant owners or garden growers who want yellow traps with decorative shapes and clear pot-level placement guidance. Choose another format if a monitoring grid or thrips-only focus is central to your setup.

Listed on Amazon as: 58 Pack Yellow Sticky Gnat Traps for Plants – Fungus Gnat Killer, Fruit Fly Traps for Indoors, Gnat Sticky Traps for Plants, Family Friendly Design, Sunflower + Butterfly Shapes