Cloning & Seed Starting

Kickstart successful cloning and seed starting with our selection of propagation supplies, designed to optimize growth and ensure healthy root development. We offer everything from humidity domes and seed trays by Mondi to powerful root-growth solutions from trusted brands like MiiM Horticulture and General Hydroponics. Whether you're prepping cuttings with precision blades or organizing your seedlings with stake labels, our range of cloning and seed-starting products is curated for consistent, high-quality results.

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Q100562.jpg

Mondi™ Mini Greenhouse 7"

P_00354
  • Manufactured with Avara Technology, a proprietary food-grade material.
  • Patented 7" design with Perfect Fit system for a secure fit with standard 1020 trays.
  • Constructed from thick, high-grade material for long-term durability.
  • Perfect 2-Finger Easy Vent ensures precise humidity control.
  • Crystal Clear style maximizes light penetration.
  • Jet Black and Frosted styles designed for light control.
  • Jet Black is the ultimate humidity dome for mushroom cultivation.
  • 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).
Q100563.jpg

Mondi Mini Greenhouse 7" (18 cm), no vents [G105]

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).
Q100562.jpg

Mondi Mini Greenhouse 7" Crystal Clear w/Easy Vents [D100-00]

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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GH RapidStart 275 ml

Q100170

RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart helps plants develop strong root networks. It can be used throughout the vegetative growth stage and in early flower stage to continue to promote root development.

Q100171.jpg

GH RapidStart 500 ml

Q100171

RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart helps plants develop strong root networks. It can be used throughout the vegetative growth stage and in early flower stage to continue to promote root development.

Q100172.jpg

GH RapidStart 1 Liter

Q100172

RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart helps plants develop strong root networks. It can be used throughout the vegetative growth stage and in early flower stage to continue to promote root development.

Q100173.jpg

GH RapidStart Gallon

Q100173

RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart helps plants develop strong root networks. It can be used throughout the vegetative growth stage and in early flower stage to continue to promote root development.

Q100174.jpg

GH Rapid Start Pro 6 Gallon

Q100174

RapidStart® Professional is a proprietary blend of nutritive plant extracts and minerals that promote explosive root growth. Using RapidStart Professional encourages the formation of fine root hairs and lateral root branching, which in term will enhance plant vigor and yield.

  • RapidStart is highly concentrated and is best used during the vegetative through early flower phases when active root growth occurs.
  • We recommend pre-soaking stone wool cubes, plugs and flats with RapidStart Professional nutrient solution prior to seeding or propagating from cuttings for faster root growth and success.
  • RapidStart Professional is compatible with soil, soilless medias, coir, hydroponics and is suitable for fertilizer injection systems.
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Rainworks Rhizo King (1 L / 1 qt)

Q100183
  • Increases the plants resistance to diseases.
  • Promotes healthy roots and fine root hairs.
  • Greatly improves root growth.
  • Enhances root development.
  • Works in all systems, media and environments.
  • 1 liter (1 quart) bottle.
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PRO-MIX ROOT BOOSTER 5-15-5 (1.2 kg / 2.64 lb)

Q100185
  • Root, transplant, and crop biostimulator with two hormones.
  • High phosphorus formula helps reduce transplant shock.
  • Ideal for seed starting, cuttings, transplants, and other crop stages.
  • Suitable for both indoor and outdoor use.
  • Liquid concentrate.
  • 1.2 kilograms (2.64 pounds).
Q100189.jpg

Rainworks® Grassroots Cloning Gel

P_00186
  • A premium commercial-grade rooting compound.
  • Contains 0.40% indole-3-butyric acid (IBA) for optimal root development.
  • Blended with a high density gel for maximum success rates.
  • Provides essential nutrition to cuttings before roots form.
  • High viscosity ensures easy and precise dipping for cloning.
  • No mess, no spills, just effortless application every time.
  • Suitable for delicate rooters; can be diluted with distilled water for use.
Q100188.jpg

Rainworks Grassroots Cloning Gel (112 g / 4 oz)

Q100188
  • A premium commercial-grade rooting compound.
  • Contains 0.40% indole-3-butyric acid (IBA) for optimal root development.
  • Blended with a high density gel for maximum success rates.
  • Provides essential nutrition to cuttings before roots form.
  • High viscosity ensures easy and precise dipping for cloning.
  • No mess, no spills, just effortless application every time.
  • Suitable for delicate rooters; can be diluted with distilled water for use.
  • 112 grams (4 ounces).
Q100189.jpg

Rainworks Grassroots Cloning Gel (224 g / 8 oz)

Q100189
  • A premium commercial-grade rooting compound.
  • Contains 0.40% indole-3-butyric acid (IBA) for optimal root development.
  • Blended with a high density gel for maximum success rates.
  • Provides essential nutrition to cuttings before roots form.
  • High viscosity ensures easy and precise dipping for cloning.
  • No mess, no spills, just effortless application every time.
  • Suitable for delicate rooters; can be diluted with distilled water for use.
  • 224 grams (8 ounces).
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Grodan Gro-Smart Tray Insert (EA)

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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Grodan® A-OK Starter Plugs™

P_00202
  • Stone wool plugs for seed starting and rooting plant cuttings.
  • Square plugs connected in a sheet to fit a 1020 tray.
  • Crafted for convenience, efficiency and reliability.
  • Uniform density, firmness, and fibrous structure.
  • Enables balanced water and nutrient distribution.
  • Available wrapped or unwrapped.
Q100443.jpg

Grodan A-OK Starter Plugs 1.5" (36/40) Wrapped (98 / sheet, 30 / case)

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).
Q100444.jpg

Grodan A-OK Starter Plugs 1.5" (36/40) No Wrap (98 / sheet, 30 / case)

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).
Q100445.jpg

Grodan A-OK Starter Plugs 50/40 - 2" (5 cm) (50 / Sheet) No Wrap (30 / Case)

Q100445
  • 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).
Q102194.jpg

Grodan A-OK 1" (2.5 cm) Starter Plugs 25/40 (200 / sheet) No Wrap (30 / case)

Q102194
  • Stone wool plugs for seed starting and rooting plant cuttings.
  • Square plugs connected in a sheet to fit a 1020 tray.
  • Crafted for convenience, efficiency and reliability.
  • Uniform density, firmness, and fibrous structure.
  • Enables balanced water and nutrient distribution.
  • 1 inch (25 mm) plugs.
  • 200 plugs per sheet.
  • No wrap.
Q102200.jpg

Grodan A-OK 50/40 2 in (50 mm) Starter Plugs, Wrapped (50/Sheet, 30 / case)

Q102200
  • Stone wool plugs for seed starting and rooting plant cuttings.
  • Square plugs connected in a sheet to fit a 1020 tray.
  • Crafted for convenience, efficiency and reliability.
  • Uniform density, firmness, and fibrous structure.
  • Enables balanced water and nutrient distribution.
  • 2 inch (50 mm) plugs.
  • 50 plugs per sheet.
  • Wrapped.

Note: Item Q100445 supplied without shrink wrap.

Q102202.jpg

Grodan® Macroplugs™

P_00209
  • 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).
Q100446.jpg

Grodan Macroplugs 1.5 in (46 mm) Round w/ Slit (50 / bag, 35 bags / case)

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).
Q102202.jpg

Grodan Macroplugs 1.5 in (46 mm), Round w/ Slit, Bulk (2,000 / case)

Q102202
  • 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).
Q100448.jpg

Grodan Cress Plate 0.25" x 10" x 20" (0.64 x 25 x 51 cm) Sheet (95 / Case)

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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