cannabis seed propagator

In generale, le sostanze solide funzionano meglio se tagliate in piccoli pezzi e scavate nel terreno umido prima di piantare piantine o durante il rinvaso in contenitori più grandi. I liquidi possono essere diluiti con acqua e utilizzati come fertilizzante liquido. Fortunatamente, abbiamo anche un articolo sulla guida per principianti ai fertilizzanti fatti in casa qui! (Scusate, è solo in inglese!)

Seems like every grower has their own ideas so much so that I find my ownb pattern which changes with every grow with every plant.

Good afternoon A,

Once the young plants produce their second or third pair of serrated leaves, or if they grow taller than about 7 cm with only the first pair, the cover of the propagator should be removed. A small oscillating fan on the lowest setting is a good way to give indoor plants the air movement they need, while outdoor plants can start to receive the natural outdoor air movement when they have reached this size.

Check out Growdiaries if you want a few tips. I was where you are about a year ago, so I completely understand the frustration!! The end goal is totally worth it though so don’t give up!! Think of all those big juicy buds that are far better quality and potency when home growing.


Unfortunately, legal restrictions mean we can’t answer grow-related questions or give grow advice on this blog. However, other readers of this blog will often answer questions like yours.

Read this article to learn about the best conditions for your cannabis seedlings. Learn about optimum temperatures, light exposure, air conditions, and the equipment you’ll need to get the best possible results.

Godetevi il blog!

I’ve got my Automatic Hindu Kush seedlings in an open fish tank next to a window (uk) .. they Initially grew about 7 cm with one pair of leaves.. but for the past 2 weeks haven’t grown at all.. I’ve now put LED lights on to give more light.. but still no change. This also happened to me last year-they just stopped growing and I had to throw them?! What am I doing wrong? I feel like I’m wasting my money every time I try?

Sono al secondo tentativo di avviare la coltivazione, il primo tentativo ha avuto esito negativo, su 5 semi autofiorenti femminilizzati, 1 solo è arrivato quasi alla fine, ma la resina prodotta era poca e non ha fatto in tempo a maturare bene perchè la pianta si è bloccata nella crescita ed è seccata. Ora stò provando con 10 semi naturali, sfida ancora più difficile, tutto sempre indoor, con lampade led di cui 5 con luce rossa e blu, 1 piu grande multispettro usata come “sole” che faccio accendere solo 6 ore al giorno alla metà delle 18 ore di luce, sperando che questo simuli appunto il sole nelle ore centrali del giorno. sono a 15 giorni dalla nascita, oggi sono alte circa 10/12 cm e stanno spuntando su quasi tutte la 3a coppia di foglie seghettate. Spero che non si blocchi la crescita, vorrei poi usare dei fertilizzanti naturali, come fondi di caffè, bucce di banana, acqua di fagioli, ma ho paura che questi formino delle muffe, secondo voi devo mischiare nel terreno o appoggiarle sopra al terreno nei bordi del vaso, per non far toccare il busto della pianta ? grazie.

Don’t know what to choose, I’m also thinking about the Bat Cool Tube (125-x-490mm) … I would be glad for any opinions ☺️.

I am currently looking at the Wing reflektor enforcer medium, any opinions?

The simplest form of propagator would be a waterproof box with clear plastic sheeting over the top. The advantage of shop-bought propagators is that they often have built-in heating and/or vents in the cover to allow temperature and humidity regulation. They also usually allow more light to reach the seedlings.

Grazie per il tuo commento, Sembra che le tue piante stiano benissimo!

8 thoughts on “What are the best conditions for seedlings?”

Propagators are simple to obtain and provide an ideal start for young cannabis plants. A propagator is a plastic tray with a transparent top which holds in humidity and warm air while allowing seedlings to receive light. This an easy way to maintain a good environment for very young seedlings . However, since the cover prevents normal air movement (which is very important as it encourages young plants to grow strong stems), cannabis seedlings should not be kept in a covered propagator for too long.

If the seedlings are intended for outdoor growing, the covered propagator should be placed next to a window to give the seedlings light. By the time outdoor seedlings are big enough to have the propagator’s cover removed, the process of acclimatizing them to outdoor conditions can begin (weather allowing).

I had bad experiences with lights, they were to strong, now I am looking at wing reflectors which are quite practical and it says they don’t burn the plants (if properly installed ofcourse)

Please check out the following articles on our blog which I think you may find of use, and I hope you continue to enjoy the blog!

The best conditions for cannabis seedlings are a bright, warm (21-23ºC) and humid environment with moving air.

24 degrees celcius …….RH =85……moving air by oscilating fan.

Normally, the germination period for the marijuana seeds is around 1 to 6 days. Once the seed leaves have completely emerged, start removing the seedling from the propagator. This helps prevent entanglement of the root at the bottom. Moreover, you may utilize the Micro Propagator as a shielding nursery for weak seedlings and starting clones. Also, ensure that the germinated seeds are not left in for a long period of time, after the seeds have sprouted. This will help prevent the entanglement of the roots.

This propagator is completely equipped with a bag of perlite, an in-built LED lighting set that includes batteries as well as a thermometer to coax the small seedlings out and help them grow. The propagator is totally compatible with the Zambeza Seed kit.

This propagator is perfect for small growing operations, where the conditions for germination should be well-regulated. The Micro Propagator is just as useful for first-time growers as well. There is no need to stress about damaging your valuable cannabis seeds – simply let the Micro Propagator offer you the best germination environment for the cannabis seeds.

You just need to cover the the propagator’s bottom with the perlite, then start mixing the water with Zambeza Supermix, which comes with the Seedkit. Now pour around 25 ml of the fluid over the perlite, it`ll retain and give out moisture as the seeds sprout. Following the instructions mentioned on the Zambeza Seedkit, place your seeds in the pots. The holes present in the bottom of each pot will enable the roots to suck up the water that is bacterial-enriched.

The nifty little Micro Propagator includes:

Micro Propagator: Comes with everything for optimal germination.

The remaining Zambeza Supermix can be used to sprinkle on the pots; however, it is important to make sure that you don’t completely wet them, simply moistening them is enough. Don’t ever place the seeds directly in the perlite because this isn’t a suitable environment for the germination of your seeds.

– Bag of perlite – In-built LED lighting including batteries – Thermometer strip.

The measurement of the Micro Propagator is around 13 x 10 x 13cm. This propagator keeps the germinating seeds, growing seedlings or emerging taproots, healthy and safe. The propagator is delivered to you in a non-descript flat container and includes a sheet of instructions.

Our seed starting kits simplify the germination process and provide your plants the best beginning for a healthy growing season and a bountiful harvest.

This method starts your plants with a major setback, and most times is a waste of time and energy. That tiny sprouted root is covered with microscopic filaments that are easily damaged.

I’m an organic gardener. While I don’t object to a little bloom booster to convince some reluctant annuals to step it up, I want everything that goes in my body to be as natural as possible. Plants need nitrogen to grow. When I had access to a mountain of free rotted horse manure, I fertilized with manure tea.

There can be a significant loss of seeds, as weather changes and moisture fluctuation will affect the sprouting process. Maintaining even moisture and warmth is essential. Some people have success by inserting the pot or seed tray into a plastic bag with a few small holes poked into the top and sprout their seeds in a warm sunny spot, opening the bag once sprouted to prevent cooking the plant.

If you still have any troubles germinating your cannabis seeds, please check our Grow guide about: Why don’t my cannabis seeds germinate?


Starting cannabis seeds can be the most nerve-wracking part of the whole cultivation process; but we’re taking all the guesswork out of it with our new Starters Kit.

The Royal Queen Propagator Pro Starter Kit provides everything that you need to germinate your seeds and get your plants off to a healthy start. This kit provides a propagating container that will help you maintain essential warmth and humidity as your sprouts germinate and begin their life journey. We even include three White Widow Automatic seeds to get you started. The kit includes:

Fill the cups with the soil mix and tap each cup a couple of times on the table to eliminate air pockets. Add more soil if needed, tap it down again to leave a half-inch space between the top of the soil and the rim of the cup. Repeat until all the cups are filled. Set up your grow table and lights. Ready? The table is all set. The lights are on. The cups are shoulder to shoulder in rows, waiting to fulfill their roles.

Tip the cup upside down in your open hand with the seedling stem between your fingers. Gently squeeze the sides of the cup with your other hand and the seedling will drop out in one piece. Don’t pull it out by the stem! Place the seedling in its new home, filling around it with more soil, and make sure it isn’t deeper or shallower than in the smaller cup. This is important. Compress the soil lightly for any air pockets.

If you’re on a budget, fluorescents offer the biggest bang for your buck when getting light to you cannabis seedlings. Don’t forget to factor in the cost of electricity and bulb replacement. To make sure all my plants got an equal amount of light, I turned the trays 180 degrees every day. I especially liked the ease of raising the shop light one link at a time as the plants grew. You can maximize your light by using a room with white walls or surrounding your grow table with movable reflecting foil-covered cardboard or hanging sheets of Mylar—mirrors don’t work well for reflecting light.

Check your soil pH regularly. Plants grown in soil like a pH about 7. If your soil drops below 6, add a light sprinkling of ground limestone before watering. If the soil is above 8—too alkaline—sprinkle around a concoction of cottonseed meal, lemon peels and ground coffee.

EASY START pots with a water reservoir to help maintain even moisture. The seed sprouting tray will hold up to 20 seeds. BACTO enzyme packets to prov >

For repotting, discontinue the plastic wrap when the third set of leaves appear. When you see that the roots have reached the bottom of the cups, it’s time to repot the little darlings into the eight-ounce cups. In my experience, the plants do better stepping up to the bigger cup instead of going directly into three-quart pots. Repotting can be tricky, so take your time here. The plants shock easily with too much jostling or rough handling. Get the larger cups ready, poke the drain holes and fill with enough soil mix so the seedlings will be at the same depth as in the first cups. Before removing from the smaller cups, lightly water them so everything stays together.

Starting cannabis seeds can be the most nerve-wracking part of the whole cultivation process; but we’re taking all the guesswork out of it with our new Starters Kit.

Takeaway: Back in the last millennium, before cloning swept the country like the hula hoop, people actually grew cannabis plants from seed. Primitive, huh? But where there’s a will, they’ll surely find a way. While that’s all changed now (hello, cloning!) you can only clone so many times before you have to buy more plants or get back to basics with seeds.

Best way to germinate cannabis seeds.

Toward the end of the vegetative and budding phase, you’ll be able to sex your plants. Males have two pollen-filled sacs that are easy to see and females have a pair of white V-shaped hairs. One male plant is enough to pollinate all your females so they produce seeds. I didn’t grow for seeds, so I quickly yanked all the male plants. Male plants are low in THC, are harsh-tasting and give many people a massive headache. Unpollinated females produce more flowers, buds and THC.

In a few days, two primary leaves will appear and you can do your happy dance. Soon the next pair of leaves will appear and the first ones will drop off. If condensation forms under the plastic wrap, uncover the seedlings to release the excess moisture and then replace with fresh wrap. During the seedling phase, keep the soil moist but not wet and only water from the bottom from so the roots stretch down long and strong.

For even more plants, remove the unproductive lower stems and leaves on your plants, and then make two or three shallow downward slices on the main stem with a clean blade and insert a graft slip dipped in root stimulant in each cut. Put a small piece of tape around the cuts. The grafts can be other varieties, not just the same as the host plant. Soon you’ll have new growth from all your grafts, giving you maximum yields.

Rotate your plants so they all get enough light. When plants are starting to bud, rough handling or a sudden change in temperature or light will drive them into shock. When you see your plants are beginning to outgrow the cups, it’s time to pot up again, this time to three-quart containers commonly found at nurseries. Always wash used pots in hot soapy water before reusing.

Germinating your cannabis seeds is one of the most thrilling and yet intimidating stages for the new grower. Let’s examine the options for germination.

My tools of choice for planting were a small wooden matchstick and a wooden toothpick. I made two small holes with the clean end of the match about one quarter inch deep and a half inch apart and not too close to the side of the cup. I picked out two sprouted seeds at a time from the paper towel, careful not to touch the sprout, and dropped them into the match holes and used the tip of a toothpick to scuff soil into the holes, then lightly tamped the spots with one finger. Keep the remaining sprouted seeds covered so they don’t dry out. Repeat until all the cups are planted.

Growing from seed is all about the quality of your seeds. Plants will never be better than the seeds they grew from. Back in the day, there weren’t any seed shops, so seeds were saved from exceptional buds, but it was all a crapshoot with a lot of trial and error. Luckily, now we know better.

Germinating Cannabis.

Mature cannabis seeds are dark brown, sometimes with swirly patterns or stripes. Discard immature pale or greenish-colored seeds. I’ve never started seeds in soil, preferring the Japanese method of “proving” seeds first; there’s no sense planting dud seeds. I germinated my seeds in a moistened, loosely rolled up paper towel on a plate in indirect light on the kitchen counter where I could keep an eye on progress. Keep the paper towel moist, but not lying in a puddle of water or the seeds will rot.

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Throw a shovelful of manure in a bucket, fill with water, let it sit a couple of days and water with the tea. It worked fine for me. There are “hot” manures and “cold” manures. Hot manures have the highest nitrogen, but have to be aged. Cold cow manure has lower nitrogen but can be used hot out of the barn. Rabbit manure is cold, but some growers call it nitrogen on steroids. If slogging around in barnyards doesn’t appeal to you, you could use fish or seaweed emulsions or any of the other excellent natural fertilizers available at your local hydroponics supplier.

During the vegetative phase, leave the lights on 24/7 and as close to the leaves as possible without touching. If the lights are too high, the stems will grow weak and spindly. You want the plants to remain compact. When your plants really take off, they may grow an inch a day. Keep a sharp eye on the distance between the tops of the plants and the lights. Fluorescents are cool and won’t burn the leaves, but keep adjusting your lights upwards to stay ahead of the growth.

Some seeds germinate in a couple of days, while some take up to a week, depending on their temperature. It’s helpful to know that the seeds will produce male and female plants. Back in the Dark Ages, I always started 16 cups of seeds in hope of ending up with four females. That’s no longer a problem if you can buy feminized seeds, which are guaranteed to be females. I planted two sprouted seeds about one inch apart per cup because frequently one seedling will be bigger and stronger than the other. Go with the bigger one and pinch off the smaller one at the soil level.

THE STARTER KIT provides the Bacto seed germinating enzyme, seed sprouting tray, and the water reservoir. You will need to provide the seeds and pearlite along with a propagator.

The beauty of starting seedlings in the opaque cups is that you can see the root growth. Poke some drainage holes around the cup bases. It’s quicker to do the drain holes with the cups in a stack. As you finish each cup, slip it in the other end of the stack or you’ll waste crumpled up cups. Mix the potting soil with enough sand to give the fluffy soil more body. Add water gradually, mixing well to moisten.

If you’re on a budget, fluorescents offer the biggest bang for your buck when getting light to you cannabis seedlings. Don’t forget to factor in the cost of electricity and bulb replacement. To make sure all my plants got an equal amount of light, I turned the trays 180 degrees every day. I especially liked the ease of raising the shop light one link at a time as the plants grew. You can maximize your light by using a room with white walls or surrounding your grow table with movable reflecting foil-covered cardboard or hanging sheets of Mylar—mirrors don’t work well for reflecting light.