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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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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Coco Coir Pellet (35mm) 36 Cell Greenhouse Kit

Q117265
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Windowsill 10 Jumbo Pellet Tomato Greenhouse Kit

Q117268
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Premium 35 Pellet Self-watering Greenhouse Kit

Q117270
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Windowsill 10 Jumbo Pellet Herb Greenhouse Kit

Q117269
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Grow A Friend Seed Starting Kit Pdq

Q117272
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Healthy Kitchen Essentials Herb Kit

Q117273
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Microgreen Booster™ Broccoli

Q117274
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6" Vented High Dome (10x20)

Q117285
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2.25" Biodegradable Coconut Coir Pot (12pk)

Q117287
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3.00" Biodegradable Coconut Coir Pot (8pk)

Q117288
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4.50" Biodegradable Coconut Coir Pot (6pk)

Q117289
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Nutri-green™ Microgreen Kit Brocc Lettuce Radish

Q117290
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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).
Picture of House & Garden™ Roots Excelurator® Gold
Picture of Hydrofarm® Vented Humidity Domes
Picture of PlantBest™ Coco Coir Pots
Picture of PlantBest™ Coco Coir Pellet Refills
Picture of PlantBest™ Greenhouse Kits
Picture of PlantBest™ Coco Coir Pot Strips
Picture of PlantBest™ Seedling Heat Mats
Picture of PlantBest™ Humidity Domes
Picture of SunBlaster™ Double & Quad Thick Trays
Picture of SunBlaster™ Humidity Domes
Picture of PlantBest™ Microgreen Boosters™
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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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