A complete range of plant propagation, nutrition, and health products designed to support robust growth and maximize yields. Whether you’re focused on cloning and seed starting, enhancing plant vigor with nutrients and supplements, or protecting crops from pests and diseases, Quality Horticulture's curated selection offers reliable solutions for every stage of plant development. Featuring industry-leading brands trusted by professional growers like General Hydroponics , Mondi Products , and MIIM Horticulture .
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Q100369
FloraKleen® removes fertilizer residues that can accumulate over time in hydroponic systems, growing media and potting soils. Use FloraKleen monthly to purge your hydroponic system or potted plants of excess salts that can accumulate as a result of regular fertilizer application. FloraKleen is an excellent final flush and can be used to dissolve mineral and salt buildup.
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Q100371
FloraKleen® Professional removes fertilizer residues that can accumulate over time in hydroponic systems, growing media and potting soils. Use FloraKleen monthly to purge your hydroponic system or potted plants of excess salts that can accumulate as a result of regular fertilizer application. FloraKleen Professional is an excellent final flush and can be used to dissolve mineral and salt buildup.
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Q100395
Liquid formula made of potassium salts and pyrethrins. Attacks the nervous system of insects and weakens the outer shell. Gentle on plants. Can be used on flowers and vegetables. 4 liter (1 gallon) concentrate.
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Q100412
Dry-glue sticky traps offer human-friendly hot-melt type glue. Glue is effective on bugs but leaves no residue on hands. Yellow sticky plates made of durable, recyclable plastic. Simplifies scouting, saving time and annoyance. Traps have glue on both sides for rapid detection of flying insect pests. Commonly used for timely detection of new infestations and monitoring population size. Yellow color naturally attracts harmful flying insects like whitefly, fungus gnats, aphids, and leafminers. 20 traps.
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Q100410
A sticky yellow plate made of durable, recyclable plastic. Natural attraction for harmful flying insects like whitefly, fungus gnats, aphids, and leafminers. Allows for timely intervention by detecting infestations early through careful monitoring. Non-toxic, water-repellent, and doesn't dry out in hot conditions. Plates retain their shape even in high temperatures and humidity. Integrated hook allows for quick hanging. Grid on one side facilitates easier counting. 20 traps.
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Q100411
A sticky yellow plate made of durable, recyclable plastic. Natural attraction for harmful flying insects like whitefly, fungus gnats, aphids, and leafminers. Allows for timely intervention by detecting infestations early through careful monitoring. Non-toxic, water-repellent, and doesn't dry out in hot conditions. Plates retain their shape even in high temperatures and humidity. Integrated hook allows for quick hanging. Grid on one side facilitates easier counting. 100 traps.
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Q100401
Pest repellent and plant growth bio-stimulant. Protect against unwanted pests. Enhance root zone growth. Increase yields and strengthen crops. All natural, multi-purpose, earth-friendly solution. Garlic concentrate. Commercial strength. 1 liter (1 quart) bottle.
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Q100402
Pest repellent and plant growth bio-stimulant. Protect against unwanted pests. Enhance root zone growth. Increase yields and strengthen crops. All natural, multi-purpose, earth-friendly solution. Garlic concentrate. Commercial strength. 4 liter (1 gallon) bottle.
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Q100399
100% natural diatomaceous earth insect controller. Non-chemical control; insects cannot build up resistance. Odor-free, non-staining, harmless to animals, fish, fowl, or food. Protects against various insects including earwigs, cockroaches, beetles, spiders, wasps, ants, fleas, silverfish, bedbugs, crickets, and grain insects. 1 kilogram (2.2 pounds).
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Q100400
100% natural diatomaceous earth insect controller. Non-chemical control; insects cannot build up resistance. Odor-free, non-staining, harmless to animals, fish, fowl, or food. Protects against various insects including earwigs, cockroaches, beetles, spiders, wasps, ants, fleas, silverfish, bedbugs, crickets, and grain insects. 5 kilograms (11 pounds).
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Q100414
A natural occurring osmolyte for foliar application. Contains > 96% pure glycine betaine. Protects plants against extreme conditions: drought, temperature changes, salt stress, and water stress. Reduces susceptibility to blossom end rot, cracking, and tip burn. Improves preservation of fruit. 2 kilogram (4.4 pound) bag.
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Q100443
A-OK Starter Plugs™ are designed for starting seeds and rooting cuttings. Plugs are 1.5 inches (36 mm) and fit into a 1020 tray. Crafted to streamline growing for both beginners and seasoned growers. Made from Grodan® stone wool, known for consistency and reliability. Features uniform density and fibrous structure for easy processing. Ensures balanced water and nutrient distribution for optimal rooting. Supplied in a shrink-wrapped sheet with instructions. Dimensions: 1.5 in (36 mm).
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Q100437
Provides a home for Grodan® Mini-Blocks™ and Gro-Blocks™. Features double-sided design for various Grodan media. Mesh side fits sheets of A-OK Mini-Blocks or Gro-Blocks. 78-cell side fits 1.5-inch A-OK Starter™ Plugs or round Macroplugs™. Fits in a standard 1020 flat and elevates media from the bottom. Easily sanitized, dishwasher safe hard-plastic tray. Exclusively designed and manufactured for Grodan.
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Q100444
A-OK Starter Plugs™ are designed for starting seeds and rooting cuttings. Plugs are 1.5 inches (36 mm) and fit into a 1020 tray. Crafted to streamline growing for both beginners and seasoned growers. Made from Grodan® stone wool, known for consistency and reliability. Features uniform density and fibrous structure for easy processing. Ensures balanced water and nutrient distribution for optimal rooting. Dimensions: 1.5 in (36 mm).
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Q100445
A-OK Starter Plugsâ„¢ are designed for starting seeds and rooting cuttings. Square 2-inch (50 mm) plugs are connected in a sheet fitting a 1020 tray. Grodan stone wool products provide consistency and reliability for propagation. A-OK Plugs offer uniform density, firmness, and fibrous structure. Supports both manual and mechanical processing. Ensures balanced water and nutrient distribution for optimal rooting. Ideal for both seasoned growers and beginners. Dimensions: 2 in (50 mm).
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Q100448
Cress Plates from Grodan® are ideal for growing microgreens. Quarter-inch thick, 10- by 20-inch stone wool mats. Designed to fit seamlessly in a 1020 tray. Provides an ideal environment for microgreen cultivation. 95 sheets per case for convenience and efficiency. Suitable for both professional chefs and home gardeners. Dimensions: 0.25 x 10 x 20 in (0.64 x 25 x 51 cm).
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Q100446
Macroplugs™ from Grodan® are designed for starting seeds and rooting cuttings. Plugs are round, 1.5-inch (46 mm), with a slit for easy plant cutting insertion. Fit perfectly into Gro-Block™ for seamless transplanting. Use with individual-cell trays like the Gro-Smart Tray Insert for best results. Grodan stone wool products offer consistent, reliable propagation. Uniform density and fibrous structure support manual and mechanical processing. Balanced water and nutrient distribution promotes optimal rooting and early growth. Dimensions: 1.5 in (46 mm).
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Q100563
Ultimate humidity dome for highest propagation success rates. Perfect Fit system snugly fits standard 1020 trays. Provides maximum space for seeds, cuttings, and plants. Thick, heavy-duty, high-grade plastic maximizes light penetration. Experience The Mondi Advantage! Width: 21.5 inches (54.5 centimeters). Length: 11 inches (28 centimeters). Total height: 7.5 inches (19 centimeters).
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Q100562
Manufactured with Avara Technology, a proprietary food-grade material. Patented 7" Crystal Clear design with Perfect Fit system for a secure fit with standard 1020 trays. Constructed from thick, high-grade material for excellent light transmission and long-term durability. Perfect 2-Finger Easy Vent ensures precise humidity control. BPA-free, non-off-gassing, reusable and recyclable, contains reclaimed ocean plastics. Dimensions (LxWxH): 21.5 x 11 x 7.5 in (54.61 x 27.94 x 19.05 cm).
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Q100564
Manufactured with Avara Technology, a proprietary food-grade material. Patented, 4" Crystal Clear design, with Perfect Fit system for a secure fit with standard 1020 trays. Constructed from thick, high-grade material for excellent light transmission and long-term durability. Perfect 2-Finger Easy Vent ensures precise humidity control. BPA-free, non-off-gassing, reusable and recyclable, contains reclaimed ocean plastics. Dimensions (LxWxH): 21.5 x 11 x 4.2 in (54.61 x 27.94 x 10.67 cm).
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Q100565
Ultimate humidity dome for highest propagation success rates. Perfect Fit system snugly fits standard 1020 trays. Provides maximum space for seeds, cuttings, and plants. Thick, heavy-duty, high-grade plastic maximizes light penetration. Experience The Mondi Advantage! Width: 21.5 inches (54.5 centimeters). Length: 11 inches (28 centimeters). Total height: 4.2 inches (10.5 centimeters).
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Q100575
Greenhouse industry standard size. Compatible with a wide variety of inserts and accessories. Perfect fit with the Mondi Mini Greenhouse. Continuous channels and ‘level fit’ wide ridge prevents water pooling. Provides stability for propagation media. Super reinforced sides and lip. Thick white plastic with UV protection. Professionally engineered tray-ends. Easy to nest and separate. Length: 11 inches (28 centimeters). Width: 22 inches (56 centimeters). Height: 2.5 inches (6.4 centimeters).
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Q100571
These excellent quality 4 in and 7 in Ultra Clear Vented Humidity Domes now have built-in light tracks that accommodate the 18 in Super Sprouter® T5 HO Grow Light Fixture. The light tracks are directional to allow the light to run the length of the domes or the width of the domes, allowing two trays to run side by side. Vertical sides allow the use of all plant sites in a propagation tray. Two vents in the top of the dome can be opened or closed to control humidity. These are the most clear and transparent domes on the market, allowing for maximum light penetration and the best viewing of your plant starts.
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Q100577
Greenhouse industry standard size. Compatible with a wide variety of inserts and accessories. Perfect fit with the Mondi Mini Greenhouse. Continuous channels with holes and ‘level fit’ wide ridge prevents water pooling. Provides stability for propagation media. Super reinforced sides and lip. Thick black plastic with UV protection. Professionally engineered tray-ends. Easy to nest and separate. Length: 11 inches (28 centimeters). Width: 22 inches (56 centimeters). Height: 2.5 inches (6.4 centimeters).
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Q100578
Greenhouse industry standard size. Compatible with a wide variety of inserts and accessories. Perfect fit with the Mondi Mini Greenhouse. Continuous channels with holes and ‘level fit’ wide ridge prevents water pooling. Provides stability for propagation media. Super reinforced sides and lip. Thick white plastic with UV protection. Professionally engineered tray-ends. Easy to nest and separate. Length: 11 inches (28 centimeters). Width: 22 inches (56 centimeters). Height: 2.5 inches (6.4 centimeters).