Clone Your Best Buds
Growing cannabis from clones is faster and easier than starting with seeds. Plus, you won’t need to sex the plants as they mature. If you’re interested in cloning and raising clones, the best investment you can make is cloning gel.
Cloning gel (also known as rooting gel) helps the clones recover from cutting and grow roots as quickly as possible. It increases your chances for a successful grow. It saves you money and time in the long run.
In this article, first we’ll cover the basics of taking a cutting and rooting it. Then we’ll help you find the best cloning gels for your needs.
Basic overview of how to take a cutting and root it
Cannabis clones do best if their cut stems have a lot of carbohydrates and root growth hormones. If you plan to make your own cuttings, take these steps to prepare the mother plants:
- For three or four days before you take the cuttings, flush the mother plant with lots of water to reduce her nitrogen levels (misting the leaves with lots of water is the easiest way unless you’re growing hydroponically)
- As nitrogen falls, carbohydrates increase, and that’s good for cuttings
- Plan to take cuttings close to the main stem of the plant so that there is a higher concentration of root growth hormones.
TIP: Kill two birds with one stone, take cuttings from your current crop at around week two or three of vegetation phase while topping. (Why then? Because the younger the mother plant the better the genetics. Better still when the plant’s not too far away from flowering.)
Taking the cutting
Once your plants are ready to provide you with cuttings, get your tools ready to use. Gather up new, sharp razor blades that you have sterilized with alcohol. Prepare your rooting containers and substrate, like rockwool. And have your cloning gel on hand.
- Use new razor blades that will make for a clean cut with as little damage as possible to the plants, and wash your hands before you cut
- Sanitize the blades because you don’t want disease or infections in your new clones
- Moisten the rooting plugs with water and drill holes in them to fit the cuttings—leave about half an inch at the bottom undrilled
- Also prepare a container with clean water to hold the cuttings if you are cutting several
- Have rooting gel ready to coat the cut stems.
Adding the cloning gel and rooting your clone
Cloning gel is the simplest rooting hormone to use. You don’t need to mix up a solution from powder, dilute a concentrate or get the formula right. The gel both protects the cut like a Band-aid and infuses the plant with the growth hormones and nutrients it needs to build healthy roots fast.
Once you’ve placed the cuttings into the rooting cubes or soil, keep them moist for the first few days. They will be eating and drinking from their leaves because they don’t have roots. Mist the leaves and keep the humidity level around 80 to 90 percent. If the soil pH is acidic, like 5.0 to 5.5, that’s great for clones that need to grow roots.
As for light, at this stage you don’t need strong lamps because the clones can’t take too much heat or light. You can root clones with fluorescent lamps running 18 to 24 hours a day. It’s also nice to warm their soil or rooting cubes with a heating mat or a light underneath. Here is a cloning kit with heat mat and T5 light where you add the rooting gel and substrate (dirt, rockwool or water) of your choice.
- Super Sprouter 7 in Ultra Clear Vented Dome with built in light track channels
- Super Sprouter 18 in high output T5 fluorescent grow light designed for the channeled dome
- Super Sprouter Double Thick 10 x 20 inch tray with no holes
- Super Sprouter heat mat
- Art of Propagation booklet with expert advise for starting seedlings and cuttings
Best light for clones
In the past, we have recommended T5 fluorescent lights. In this early stage, your plants need the cooler, blue-heavy options—we’re talking a color temperature of around 6500K. With the rapidly falling prices of LED Grow Lights, and the increased sophistication of the manufacturers, you can now get LED Grow Lights at comparable or lower overall cost and hassle than fluorescents. Adjustable LED Grow Lights allow you to adjust the color spectrum for any stage of growing, so you are not stuck with an unusable initial investment. Check out our complete updated LED Grow Light review here.
Lighting for cloning doesn’t need to be too intense (in fact, you can easily give young clones too much light), so exactly what you use isn’t a huge deal. Just avoid something really hot and intense like HPS.
One further lighting concern: Grow room temperature is very important at this stage. Here is an article about controlling temperature in your grow room. You want to keep it around 74–77°F. Slipping too far below that can stall root growth or stop it altogether. LED Grow Lights are cheap enough to run 24 hours a day, which will allow you to eliminate the night time temperature drop and help keep the temperature stable.
The only advantage of fluorescents is that you can keep them very close to plants (often just a few inches away), which could be helpful if you want to create a cloning room or area in a small space. LEDs would need to be hung around 2′ above your clones.
After one week, remove the clones that looked wilted and weak. Within two to three weeks, plan on transplanting the healthy clones that have sprouted roots. Once the roots are about 1-1/2-inches long, they can move into your regular growing setup. Gradually increase light levels and intensity, and you’re on your way to harvesting weed.
Further Reading: Check out this article for more information about growing hydroponically. Or consider investing in Ryan Riley’s Grow Bible—if you’re serious about growing, it’s about as comprehensive a guide as you’ll find.
Why use cloning gel?
Without cloning gel, your weed is much more susceptible to illness. The plants’ roots will take longer to grow. The shock of cutting can even kill clones if they aren’t protected. The small cost of buying cloning gel is nothing compared to the money and time you’ll save by using it. You’ll get more clones, healthier clones and faster.
So, if you’re a pro grower, you’re looking at faster turnarounds from cutting to bud and higher profits. And if you’re a home grower, you’re going to get more reward for the time, money and effort you put in.
The top cloning gels for cannabis (a.k.a. Best rooting gels)
Many cloning gels are appropriate for a variety of plants. Weed, orchids, you name it—any plant that you can propagate with clones can profit from the use of cloning gel. But we’re all about growing cannabis. So for this review we’ve rounded up the top cloning gels for weed growers.
Clonex Rooting Compound Gel Packets, 15ML
- Foremost rooting compound gel in its field since 1989
- Full spectrum of mineral nutrients and trace elements to nourish the young roots during the formative stages
- Remains in contact around the stem sealing the cut tissue
- Supplies hormones needed for root cell development
- Provides vitamins to protect the delicate new root tissue
Clonex is the best-known brand of cloning gel. Like Kleenex, growers say the proper name Clonex when they could be discussing other companies’ products. It’s been around since the wall fell in Berlin and they have top-rated gel for a reason. Moreover, it’s always among the recommendations on growers’ forums.
Clonex is packed with root growth hormones, vitamins, and mineral nutrients. The gel formula is designed to cling to the stem and protect it while the ingredients go to work feeding the plant. If you’re curious, the active ingredient they list is Indole-3-Butyric Acid, at 0.31% per volume.
Although this is a small packet of only 15ml, this is enough for you if you’re taking cuttings or growing clones from a few plants. Even with a generous coating on each stem, this little packet goes a long way for a home operation. It’s also an inexpensive way to give this gel a try before springing for the whole tub.
If you want more gel for a larger grow, check out the next product below.
EDITOR’S CHOICE: HydroDynamics Clonex Rooting Gel, 100 ml
- Clonex is a high performance, water-based, rooting gel
- It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development and vitamins to protect the delicate new root tissue
- Clonex has a full spectrum of mineral nutrients and trace elements to nourish the young roots during their important formative stages
If you have more plants to clone, more cuttings to take, choose this 100mL bottle, or move up to the 500mL or 1000mL (liter) bottles of Clonex Rooting Gel. The unused gel does keep for a while if you don’t use it all up at once.
Technaflora Rootech Gel for Plants, 7-Grams
- BAY HYDRO LLC Ships in 24 HOURS, Don't believe the Estimated Date, As we are "SUPER FAST"
Another well-known name is Rootech Gel, by Technaflora. This small tin with 7 grams of gel is the smallest size, but you can upgrade to 56, 112, or 224 gram containers. It’s water-based like Clonex, and it can be diluted with water if you need to stretch it farther for easy-to-clone plants.
The active ingredient is similar to Clonex—1H-indole-3-butanoic acid—but it appears in a higher concentration of 0.55% in Rootech. This higher concentration makes it possible to dilute, if you prefer, and it also makes it more powerful at feeding clones the nutrients they need. (Why dilute? You may find that it’s still effective at a slightly lower concentration, allowing you to get even more for your money.)
Grodan 1.5″ inch Rockwool / Stonewool Cubes (Mini Blocks) ► PLUS ◄ ROOTECH Cloning Gel
- Includes (45) Grodan 1.5 inch mini rockwool cloning blocks!
- Also includes (1) jar of Rootech Cloning Gel (.25oz jar)!
- Perfect combination for cloning your cuttings and plants!
- Easy to use, most cuttings take root in 5-14 days!
- Exclusive Cloning Combo Pack from PowerGrow Systems
You can save a little cash by ordering this kit that contains both Grodan Rockwool rooting cubes plus Rootech Cloning Gel. There are forty-five 1.5-inch cubes plus plenty of gel in the 0.25-ounce container.
Although rockwool and stonewool are very popular for raising clones and seedlings, please do take precautions when handling it. It’s smart to wear gloves and even a dust mask to keep the tiny man-made fibers from entering your skin and lungs.
(Should you prefer Clonex, you can also get a Clonex plus Root Riot starter cubes kit.)
If you want a natural solution for raising your clones, try the next product below.
General Hydroponics Rapid Rooter Replacement Plugs 50 count
- Rapid rooter plugs are fortified with general hydroponic micronutrients for abundant root growth
- The optimal air-to-water ratio within the plug matrix results in explosive early root growth
- Use rapid rooter for robust early rooting that supports explosive plant growth
- 50 Plugs per bag, bags sold individually
- Measures 10-1/2-inch length by 12-inch width by 3-1/2-inch height
The Rapid Rooter Plugs from General Hydroponics (a reliable brand in the weed growing world) are cheap and packed with nutrients. They are especially effective if you plan to raise weed hydroponically.
And now, back to the top cloning gels on the market.
BEST ORGANIC CLONING GEL: Quick Clone Gel – 75mL – Most Advanced Cloning Gel for Faster, Healthier, Stronger Rooting Clones.
- Use Quick Clone Cloning Gel to clone your best yielding and fastest growing plants, and never spend money on inconsistent starts again.
- Simply take a healthy, new-growth cutting from your favorite plant, dip in water, then to desired depth in Quick Clone Gel, and plant into soil, peat plug, or aeroponic cloning machine. See consistent and strong rooting in 5-10 days, depending on the plant.
- Perfect for all plants including trees, roses, orchids, cactus, bonsai, bamboo, peppers, and tomatoes. Buy now and take your garden to the next level.
- Made with a brewed tea base from natural ingredients known by organic gardeners to boost root development
- EPA Reg. No. 92504-1
Quick Clone Gel comes in two sizes: 75mL for home growers and 250mL for larger operations. It doesn’t appear to contain the active ingredient found in Clonex and Rootech. However, instead, the Quick Clone Gel is based on organic ingredients brewed in a tea. It has no artificial dye. Instead, this gel is packed with amino acids, vitamins, and rooting hormones.
If you prefer to use an organic solution, consider getting the Quick Clone Gel. The price is a little higher than the competitors but it’s an all-natural formula.
Conclusion from MaryJane Farmer
Using cloning gel makes sense when you’re serious about raising healthy plants. Our choice for best cloning gel is: HydroDynamics CLONEX Rooting Gel. It’s simple to use, very effective and has a long shelf life. It’s become the leading and most grower recommended cloning gel for good reason.
If you prefer to keep things more organic, however, then we recommend the Quick Clone Gel.
Either way, you should see excellent results. Send me a photo of your best buds: MaryJane@420Beginner.com
We hope that all your clones grow up strong and healthy. Check back soon for reviews of the best products to help you harvest top-quality cannabis. We have several very complete articles that teach growing from seed to weed. And for even more growing advice, check out our Free downloadable beginners’ growing guide
Last update on 2020-05-30 / Affiliate links / Images from Amazon Product Advertising API
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