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Seed Starting for Indoor Farmers: Types of Seed Plugs

Classic seed plugs might not be your best option

You’ve probably seen the video we did a while back on the seed starting and transplanting process that we use in our greenhouse. In our greenhouse we use traditional soil, peat, coco coir, etc. But many of you are concerned with solids build up in your indoor systems. This is a real concern, especially if your don’t have really aggressive aeration! And since we think that indoor systems should be as simple and low-maintenance as possible, we’re going to show you a few seed starting options for indoor growers.

(For more videos on labor-smart indoor systems, check out this Youtube playlist.)

Non-messy alternatives to potting mixes

1) Flexible plugs.

The most popular alternative is flexible plugs. Flexiplugs is the brand that Dr. Nate is showing off in the video; this is a coir or peat product that is bound together with a polymer. Slow-release fertilizers can be incorporated into flexible plugs, which can eliminate the need for hydroponic nutrients in your seed starting system. (Which is really handy, in our opinion.)

Flexible plugs compress nicely when being planted between the Matrix Media in towers.

The major downside of flexible plugs is that they are rarely as compostable as peat or soil.

They can also be pricey if you’re buying them in small quantities. (Several hundred to several thousand). If you’re buying flexible plugs on a large scale (tens of thousands or more), then flexible plugs could be a very easy option for you.

2) Rock wool.

Another option is rock wool. (You might be familiar with rock wool as insulation, which is another use for it.) Rock wool is very handy for seed starting, and especially for cloning plants.

Personally, we aren’t crazy about rock wool here at Bright Agrotech because it is not bio-degradable; once it gets sent to a landfill, it’s going to be there forever. We recommend something more environment-friendly.

3) Other products.

Jiffy Pellets: Jiffy Pellets are another option. They can be pricey and harder to handle, but we’re keeping them in minds as a great option for automation in the future.

Oasis products: In our experience, Oasis products tend to smash up and leave bits of plastic in the system. We don’t typically recommend Oasis products for this reason.

Bare root plants: You can absolutely use bare root plants, especially if you’re using wicking strips. The most common problem with bare root plants is that the roots of the seedlings get damaged during transplant and the resulting plant shock slows down your production cycle.

Because of this, we usually recommend using a growing medium for plant products.

In conclusion

Today we talked about types of growing medium for seedlings, including flexible

My final recommendation is to start with a flexible plug because they are the easiest plug to use. Once you get comfortable with growing, transition to a loose growing medium that composts easily and that is renewable.

Did I miss anything?

Do me a favor and tell me what YOU use to grow seedlings.

Look forward to more videos on the planting products and on indoor growing. Keep from missing out by following us on Youtube.

Seed starting doesn’t have to be messy. For indoor growers, clean plugs keep the system from gunking up. Learn about seed plug options for indoor growers.

Accelerooter Starter Plugs – 55 Pack

Start seedlings and cuttings faster and stronger with all-natural AcceleRooter rooting plugs! Earth friendly AcceleRooter plugs are made of soilless organic bark material that holds the optimal air to water ratio for rapid rooting of seedlings or clones.

• Start seeds or clones | soil or hydro!
• All natural | charged with starter nutrients
• Perfect for use with any starting cell tray inserts
• Contains 55 individual plugs

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Description

Accelerooter 55-Pack Starter Plugs

Each AcceleRooter rooting plug is infused with a starter charge of nutrients to stimulate fast and healthy root growth. Their sponge-like consistency also protects the delicate root structures of young plants to ensure safe transplanting into soil, soiless or hydroponic grow medium with no mess. Use AcceleRooter plugs to jumpstart your seedlings and clones for healthier and more vigorous plants!

• All-natural rooting plugs with a starter charge of nutrients
• The BEST way to start strong and healthy plants
• Ideal for seedlings and cuttings, hydroponics or soil
• Simple to use, easy to transplant with no mess
• Optimal air to water ratio for accelerated root development

How to use:

1- Insert plugs into starting cells
2- Place starting cells in nursery tray and add approx. ½ inch of water totray. Allow tray of plugs to absorb water.
3- Once plugs are fully saturated, drain excess water from tray. Then insert seeds or cuttings into plugs.
4- Place under sufficient light and check plug moisture daily. Re-moisten as needed by repeating steps 2 & 3.
5- Transplant once seedlings or clones have developed visible root growth.

Start seedlings and cuttings faster and stronger with all-natural AcceleRooter rooting plugs! Earth friendly AcceleRooter plugs are made of soilless organic bark material that holds the optimal air to water ratio for rapid rooting of seedlings or clones. • Start seeds or clones | soil or hydro! • All natural | charged with starter nutrients • Perfect for use with any starting cell tray inserts • Contains 55 individual plugs