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Germination and propagation

Cannabis propagation plugs are a key element for ensuring fast, healthy, and effective rooting. They're designed to maintain adequate humidity, allow for aeration, and protect the stem as it develops new roots. In this section, you'll find peat plugs, Jiffys, rock wool, sponges, and coco cubes, suitable for all types of crops and systems: soil, coco, or hydroponics.

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Featured products in Germination and propagation

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JIFFY Pressed Peat Cubes

Jiffy pellets are formed from high quality peat substrate, highly compressed for easy transport and storage. When soaked in water, they swell to up to seve [...]

  • 1 unit - 33 mm 0.10€
  • 1 units - 41 mm 0.12€
  • 41 mm 1000 units 110.00€ 99.00€
  • 33 mm 2000 units 180.00€ 162.00€

Germination Tray - PluginPro

PluginPro Seedling Tray, a product designed exclusively for small-scale self-cultivation. The 100% biodegradable coco peat substrate is ideal for seed germination, [...]

  • 6 blocks 1.80€
  • 12 blocks 3.60€
  • 24 blocks 4.50€

Rockwool tray by Cutilene

Alchimia presents Rockwool tray by Cutilene, with 77 alveolus (35mm x 35mm x 40mm), for seed germination and rooting of cuttings. Rockwool is a very clean [...]

  • 77 cells (35x35x40) 13.90€

Seedling tray 40 holes

Black plastic tray with 40 holes, perfect for germinate your seeds, either with a jiffy peats or with [...]

  • 1.85€

Plugin Pro Wetting Mat Carpet

Alchimia Grow Shop presents the Wetting Mat Carpet by Plugin Pro, which is compatible with the Plugin Pro Xtract 104 cell units tray and with other trays of similar size. The [...]

  • 1.35€

Carrying Case for 5 cuttings ROOT IT

The Fleximix Root It carrying case for 5 clones is the perfect choice for sending or transportating clones or cuttings, as well as seedlings sprouted in [...]

  • 2.00€

Seedling tray 28 cells

Practical, light and resistant seedling tray with 28 cells for propagating your cuttings or sprouting your cannabis seeds. [...]

  • 2.00€

Plugin Cutting trays

Alchimia offers you these grow trays, very useful to germinate your seeds and for rooting cannabis cuttings [...]

  • 104 cells 14.00€
  • 150 cells 15.00€

Jiffy coco block

Jiffy moisturizable coco coir block is ideal for the plant first few weeks development recommended for those growers who cultivate in [...]

  • 80x80x65mm (Out of stock) 0.45€

Monkey Klone Tray

Alchimia presents Monkey Klone rooting trays, specially designed for germinating seeds and rooting cuttings. This tray comes with pellets made of a mixture [...]

  • 150 blocks 18.00€
-50%

Plugin Pro Extraction Tray

Alchimiaweb.com presents the Plugin Pro extraction tray, a product designed to facilitate the removal of the peat cubes from the [...]

  • 150 cells (Out of stock) 35.00€ 17.50€
  • 104 cells (Out of stock) 39.00€ 19.50€

Continue reading about: Germination and propagation

What are propagation plugs?

Cutting plugs are propagation media specifically designed for cloning plants—that is, generating new plants from a branch or shoot. Their purpose is to provide an optimal environment where the cutting can safely and quickly form roots.

They are made of porous, lightweight materials with good water retention capacity, which allows them to maintain constant humidity without suffocating the stem.

Why are they so important?

During the cutting process, the plant has no roots to absorb water, so maintaining the balance between humidity and oxygen is essential. A good plug ensures:

  • High rooting rates.
  • Healthy and uniform root development.
  • Reduction of water stress.
  • Compatibility with rooting hormones and mini greenhouses.

In addition, they facilitate subsequent transplantation, since it is not necessary to directly manipulate the roots.

What types of propagation plugs will you find?

  • Jiffys or pressed peat plugs: inexpensive, biodegradable, and easy to use. When wet, they expand and provide a fluffy structure ideal for cuttings.
  • Rockwool cubes: widely used in hydroponics. They offer excellent aeration and a firm structure, ideal for demanding cuttings.
  • Propagation sponges: neutral, stable, and in some cases reusable materials. High aeration and ease of use.
  • Pressed coconut plugs: Sustainable, they retain moisture well and improve rooting with less risk of fungus.

Which products stand out?

  • Jiffy pressed peat: the most widely used by growers of all levels.
  • Cutilene rock wool plug: firm and efficient, ideal for soilless systems.
  • PluginPro Sponges: Made with organic material, very practical and clean.
  • Monkey Klone tray: ready to use, pH and EC balanced, ideal for beginners.

Who are they ideal for?

Any grower who regularly takes cuttings or wants to start a small cloning project should have plugs. They're widely used by home growers, cannabis associations, and professional growers, both in soil and in hydroponic or coco systems.

They are also widely used for seed germination.

 

Frequently asked questions about cannabis propagation plugs

How long does it take for a cutting to root?

With a suitable plug and optimal conditions (temperature and humidity), a cutting can begin to root in 7-10 days, although some genetics may take longer.

Is it necessary to use rooting hormone with plugs?

It's not mandatory, but it's highly recommended. The hormone stimulates faster and more uniform root formation, especially when combined with good-quality plugs and a warm, humid environment.

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