Plant Propagation, Nutrition & Health
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.
Botanicare Rhizo Blast (4 L / 1 gal)
Rhizo Blast® is a proprietary formula that contains a blend of nutrients that helps root growth. Rhizo Blast can be used with all grow mediums and is beneficial in hydroponic, soil and coco coir gardens.
CYCO Zyme 5GAL (1/Cs)
CYCO Zyme 20 Liter (1/Cs) (OK Label)
CYCO Zyme 20 Liter (1/Cs)
Grodan A-OK Improved 1.5 in (36 mm) Starter Plugs, Loose in Carton (2,310 plugs)
Grodan® A-OK Improved Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks™. The plugs come loose in a carton for those who prefer to saturate individually.
- Easy to use with propagation trays.
- Shipped as individual loose AO plugs (1.4x1.4x1.6) bulk in the carton (2,310).
- No shrink-wrap.
GH Liquid KoolBloom 6 Gallon
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom for an additional bloom boost and to facilitate ripening.
GH Ripen 6 Gallon
Grodan Macroplugs 1.5 in (46 mm), Round w/ Slit, Bulk (2,000 / case)
- 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).
Grodan A-OK Starter Plugs 50/40 - 2" (5 cm) (50 / Sheet) No Wrap (30 / Case)
- A-OK Starter Plugs™ 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).
Root Riot Cubes, Bulk Box of 1,500
- Used for rooting plant cuttings and starting seeds.
- Aids in faster rooting and simpler transplanting.
- Suitable for traditional and hydroponic gardens.
- pH balanced and retains beneficial properties.
- Maintains consistent moisture, unlike rockwool cubes.
- Stable in hydroponic settings and won't clog filters.
- Made from fine grade Canadian peat moss.
- Safe for food production.
- Bulk box of 1,500 cubes for commercial use.
MIIM Horticulture MIICROBIAL MASS PRO (4 L / 1 gal)
- A microbial product specially developed to promote plant growth and maximize plant yield
- Five bacterial strains enhance microbial life in and around plant roots.
- For soil and hydroponic systems.
- Increases the bioavailability of phosphate, calcium and iron.
- Promotes good soil health with beneficial enzymes.
- Compatible with all growing media and all base nutrients.
- 4 liter (1 gallon) bottle.
MIIM Horticulture MIICROBIAL MASS PRO USA (4 L / 1 gal)
- A microbial product specially developed to promote plant growth and maximize plant yield
- Five bacterial strains enhance microbial life in and around plant roots.
- For soil and hydroponic systems.
- Increases the bioavailability of phosphate, calcium and iron.
- Promotes good soil health with beneficial enzymes.
- Compatible with all growing media and all base nutrients.
- 4 liter (1 gallon) bottle.
Grodan A-OK Starter Plugs 1.5" (36/40) No Wrap (98 / sheet, 30 / case)
- 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).
Supernatural Brand Bloom Aqua (10 kg / 22 lbs)
- Hydroponic plant food.
- Contains essential minerals and trace elements to promote vigorous flowering.
- Use during the flowering stage to achieve beautiful hydroponic blooms.
- Contains 8% calcium; eliminates need for additional calcium supplements.
- Heavy flowering and fruit load.
- 10 kilogram (352 ounce) container.
Supernatural Brand Bloom Terra (10 kg / 22 lbs)
- Contains essential minerals and trace elements to promote vigorous flowering.
- Use during the flowering stage to achieve beautiful terraponic blooms.
- Power your flower.
- Professional grower formula.
- 10 kilogram (352 ounce) container.
Supernatural Brand Gro Aqua (10 kg / 22 lbs)
- Original one-part hydroponic mix.
- Contains essential macro and micro elements to promote proper plant development.
- Use during the vegetative stage to achieve healthy hydroponic plant growth.
- 10 kilogram (352 ounce) container.
Supernatural Brand Gro Terra (10 kg / 22 lbs)
- Professional grower formula.
- Contains essential macro and micro elements to promote proper plant development.
- Use during the vegetative stage to achieve healthy terraponic plant growth.
- Grow in high definition.
- 10 kilogram (352 ounce) container.
Supernatural Brand Bloom Aqua (22 lbs / 10 kg) [USA]
- Hydroponic plant food.
- Contains essential minerals and trace elements to promote vigorous flowering.
- Use during the flowering stage to achieve beautiful hydroponic blooms.
- Contains 8% calcium; eliminates need for additional calcium supplements.
- Heavy flowering and fruit load.
- 22 pound (10 kilogram) container.
Supernatural Brand Bloom Terra (22 lbs / 10 kg) [USA]
- Contains essential minerals and trace elements to promote vigorous flowering.
- Use during the flowering stage to achieve beautiful terraponic blooms.
- Power your flower.
- Professional grower formula.
- 22 pound (10 kilogram) container.
Supernatural Brand Gro Aqua (22 lbs / 10 kg) [USA]
- Original one-part hydroponic mix.
- Contains essential macro and micro elements to promote proper plant development.
- Use during the vegetative stage to achieve healthy hydroponic plant growth.
- 22 pound (10 kilogram) container.
Supernatural Brand Gro Terra (22 lbs / 10 kg) [USA]
- Professional grower formula.
- Contains essential macro and micro elements to promote proper plant development.
- Use during the vegetative stage to achieve healthy terraponic plant growth.
- Grow in high definition.
- 22 pound (10 kilogram) container.
Supernatural Brand Super Boost (10 kg / 22 lbs)
- Accelerates your start and finish.
- Used to promote rooting, early flowering, late flowering, and ripening.
- For use in terraponics, soil, and soilless mixes.
- Crafted with high quality ingredients.
- Professional grower formula.
- 10 kilogram (352 ounce) container.
Supernatural Brand Super Boost (22 lbs / 10 kg) [USA]
- Accelerates your start and finish.
- Used to promote rooting, early flowering, late flowering, and ripening.
- For use in terraponics, soil, and soilless mixes.
- Crafted with high quality ingredients.
- Professional grower formula.
- 22 pound (10 kilogram) container.