Buying cannabis clones comes down to four checks: verified genetics, a clean bill of health, a root system that is already established, and a licensed seller who can document how the mother plant was kept. Get those right and you skip the two problems that ruin most clone runs — mystery lineage and hidden pests. Everything else, from container type to plant height, is a detail you can work around.
Key Features
- Named cultivar with known lineage — the seller should tell you the strain, whether it came from seed or tissue culture, and how many generations it has been cloned.
- Documented mother plant — age, health history, and the nursery's pest-management routine.
- Visible root development — white root tips and a root mass that holds the plug together when lifted.
- Sturdy structure — a thick stem, three to five nodes, and no stretched, spindly growth from low light.
- Clean foliage — no yellow spotting, curling, webbing, or white powdery residue on leaves or stems.
- Hardened off — acclimated to normal room humidity and light rather than raised in a sealed dome.
- Disease screening — ask specifically about hop latent viroid, powdery mildew, and mite checks.
- Legal, labeled sale — a licensed retailer, compliant tagging, and purchases that fit your local plant count.
Materials, Sizes, and Specs
Clones usually arrive in rockwool cubes, peat plugs, or aeroponic collars, and a good specimen is roughly four to eight inches tall with several inches of active root growth. Ask how the cutting was taken and rooted, what lighting schedule it was on, and whether the mother plant was started from seed, kept as a long-term mother, or refreshed through tissue culture. Tissue-culture and seed-derived stock tends to carry fewer accumulated problems than a clone that has been passed around for years. Inspect the undersides of the leaves with a loupe before you leave the shop, and quarantine new plants for a week or two away from your garden.
Shipping and Returns
Reputable sellers pack clones discreetly, ship with temperature-conscious transit in mind, and back arrivals with a live-arrival guarantee. Report any damage, wilt, or pest signs within a day or two of delivery with photos, and follow the store's replacement or refund policy — many also offer local pickup so plants spend less time in a box.
How do I check a clone for pests and disease?
Turn leaves over and look for webbing, tiny eggs, stippling, or sticky residue, then check stems and the top of the growing medium for fungus gnat activity. Any curling, mosaic patterning, or powdery film is a reason to walk away.
Cannabis Clones vs Seeds: Which Is Better for Your Grow?
Does clone size actually matter?
Less than you would think. A short, fully rooted clone with white tips usually outperforms a tall cutting that is still relying on the dome for moisture.
Should I ask about the mother plant?
Always. A healthy, well-documented mother is the strongest predictor of how your clone will perform, and a seller who hesitates on that question is telling you something.