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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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).
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Mondi™ Mega-Mini Greenhouse 12"

P_00677
  • Manufactured with Avara Technology, a proprietary food-grade material.
  • Patented, 12" Crystal Clear design, with expanded capacity for larger clones.
  • 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 12 in (54.61 x 27.94 x 30.48 cm).
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Clonex® Rooting Gel

P_00690
  • High performance, water-based rooting gel.
  • Industry standard for propagation with vegetative cuttings.
  • Seals cut tissue and supplies hormones for root cell development.
  • Manufactured under strict pharmaceutical laboratory conditions.
  • Registered with the EPA and approved for use on all food crops.
  • Approved by the Colorado Department of Agriculture for medicinal plants.
  • Suitable for all types of plant cuttings, including woody, herbaceous, and flowering species.
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Clonex® Clone Solution

P_00689
  • Specifically formulated for rooted clones and seedlings.
  • Formulated to initiate and nourish new root cells in plants.
  • Contains high-quality minerals: Nitrogen, Phosphorus, Potassium, and Calcium.
  • Contains specific micro nutrients and root enhancing agents.
  • Minimizes stress when used with Clonex Rooting Gel or other rooting agents.
  • Highly concentrated compared to competing products.
  • Result of extensive horticultural research.
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Root Riot® Plant Starter Cubes

P_00692
  • 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.
  • Available in trays, bags, and in bulk.
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Clonex® Mist

P_00691
  • Ready-to-use foliar spray for mother plants and clones.
  • Stimulates root development.
  • Enhances health and vigor of young plants.
  • Promotes robust root development and elongation of root hairs.
  • Independent trials showed roots up to 10 days earlier.
  • Roots were 30% longer and 156% more numerous compared to using water alone.
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Grodan® A-OK Starter Plug Pre-Filled Trays

P_00696

The Grodan® tray comes prefilled with A-OK Starter Plugs™ for fast and easy propagation from seeds or cuttings prior to transplanting to Gro-Blocks™.

  • Fits perfectly in most standard 1020 trays.
  • Designed with a unique and convenient thumb slot to make removal easy and comfortable.
  • Pre-cut and pre-filled into an insert of 50 1.5-inch AO plugs (1.4 x 1.4 x 1.9 inches).
  • 30 inserts per carton (total of 1,500 plugs).
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Grodan® Pargro® Plugs

P_00703
  • Pargro offers Grodan's industry-leading stone wool growing media.
  • Ideal for indoor growers using low to medium levels of technology.
  • Designed for those transitioning from soil, coco, or peat.
  • Increases crop cycles per year, saving time and money.
  • A perfect solution for transforming your growing experience.
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Mondi™ Commercial 1020 Propagation Trays

P_00708
  • Manufactured with Avara Technology, a proprietary food-grade material.
  • Patented commercial 1020 propagation trays.
  • Deep channels and wide 'level fit' ridges prevent water pooling and support media stability.
  • Reinforced tray ends and sidewalls, with UV protection.
  • Internestable, stackable, and easy to store and ship.
  • BPA-free, non-off-gassing, reusable and recyclable, contains reclaimed ocean plastics.
  • Available in Black or Black & White.
  • Dimensions (LxWxH): 21.5 x 11.2 x 2.5 in (cm).
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Mondi™ Premium 1020 Propagation Trays

P_00709
  • Manufactured with Avara Technology, a proprietary food-grade material.
  • Patented black premium 1020 propagation tray with no holes.
  • Deep channels and wide 'level fit' ridges prevent water pooling and support media stability.
  • Exceptional strength and durability for extended use, with UV protection.
  • Internestable, stackable, and easy to store and ship.
  • BPA-free, non-off-gassing, reusable and recyclable, contains reclaimed ocean plastics.
  • Available in Black or Black & White.
  • Dimensions (LxWxH): 21.5 x 11.2 x 2.5 in (cm).
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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.
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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).
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Mondi™ Mini Greenhouse 4"

P_00353
  • 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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Super Sprouter Seedling Heat Mat 10 in x 21 in (10/Cs)

Q102275

Warms root area approximately 10–20° F over ambient temperature to improve germination process. Helps gardeners have better success rates with seedlings and cuttings. Perfect for one standard 10 in x 20 in propagation tray. Heavy-duty construction makes this mat very durable. More than 20% larger than competitive mats. This allows even warming of your entire tray. More consistent heating with fewer hot spots than other seedling heat mats. Ed Hume seal of approval. 20 W. Dimensions: 10 in x 21 in.

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Mini Greenhouse Kit With Stand - T5ho

Q116511
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Propagation Insert 1801-18cell Cs (100)

Q114359
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Propagation Insert 2401-24cell Bulk Cs (100)

Q114360
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Propagation Insert 3601-36cell Cs (100)

Q114362
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Propagation Insert 804- 32 Cell (100/cs)

Q114367
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Pro-mix Organic Seed Starting Mix 9 L

Q116280
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Mondi Propagation Tray 1020, Black (With Holes) [G155]

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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Hydrofarm Digital Heat Mat Thermostat

Q115844
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1020 2" Seedling Dome With Vents

Q116499
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1020 4" Nanodome With Vents

Q116500
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Heat Sheet Propagation Heating Mat 9.1"x19.7"

Q116505
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House & Garden Gold Roots Excelurator 5 L

Q115673
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1020 Double Thick Tray - No Holes

Q116497
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T5 Strip/ref Fixture W/lamp And Timer 18"

Q117146
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1/2 Pallet Corrugate Seeds Starting Ds (254pc)

Q117286
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Cut Kit Tray 11"x21"

Q115754
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