ACDC Strain CBD SeedsThe high-CBD Cannatonic phenotype, about 1:20 THC to CBD
4.00 out of 5 · 1 reviewThe ACDC strain is a high-CBD phenotype of Cannatonic with a reported THC:CBD balance of about 1:20, so it carries very little THC next to a lot of CBD. Lab results usually show around 12–20% CBD and about 1% THC or less, and users describe a clear, relaxed feel with little to no high. ACDC seeds grow short, bushy plants for indoor tents or warm gardens.
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What is the ACDC strain?
ACDC is a sativa-leaning, high-CBD phenotype of Cannatonic, the CBD-rich strain from Spain's Resin Seeds, and it is best known for a reported THC:CBD balance of about 1:20. Weedmaps and Leafly say Dr. William Courtney selected it from a pack of Resin Seeds' seeds, and it first circulated as a clone. Published numbers put CBD at roughly 12–20% with THC near 1% or lower; flowering takes about 8 to 10 weeks, and myrcene leads its earthy, piney aroma.
AllBud lists ACDC at 70% sativa / 30% indica; seed banks selling ACDC seeds list anything from 50/50 to 60% sativa.
SC Labs testing cited by Weedmaps put ACDC at 20 parts CBD for every part THC.
ACDC strain specs
ACDC's cannabinoid figures come from lab results reported by Leafly and Weedmaps; the growing figures come from Weedmaps and seed banks that sell ACDC seeds. ACDC started as a clone, and seed-grown plants can vary in CBD and THC, so test finished buds if the exact ratio matters to you.
| Type | Sativa-dominant hybrid, about 70% sativa (AllBud); seed banks list 50–60% |
|---|---|
| Genetics | Phenotype of Cannatonic (Resin Seeds lists MK Ultra × G13 Haze) |
| Bred by | Cannatonic by Resin Seeds, Spain; ACDC phenotype selected by Dr. William Courtney |
| THC | About 1% or less in most reports; some sources list up to 6% |
| CBD | About 12–20%; THC:CBD about 1:20 (SC Labs, via Weedmaps) |
| Main terpenes | Myrcene, pinene, caryophyllene |
| Aroma & flavor | Earth, pine, citrus, herbs, light honey and pepper |
| Reported effects | Relaxed, clear-headed, focused, uplifted; little to no high |
| Seed type | High CBD, photoperiod (flowers on 12/12) |
|---|---|
| Flowering indoors | 8–10 weeks (Weedmaps: 63–70 days) |
| Outdoor harvest | Mid October (Northern Hemisphere), per seed-bank listings |
| Height | Short to medium; the clone grows bushy at about 1.2 m (4 ft) |
| Yield | Medium; one seed bank lists about 400–500 g/m² indoors |
| Difficulty | Moderate; Weedmaps calls it finicky |
| Best methods | SCROG or LST, then cloning the best-testing plant |
| Climate | Indoor rooms, or mild-to-warm gardens that stay dry into October |
Where does the ACDC strain come from?
ACDC is one standout plant from Cannatonic, the high-CBD strain that Resin Seeds of Spain reportedly released around 2008, so its genetics are Cannatonic's own. Resin Seeds describes Cannatonic as a female MK Ultra crossed with a G13 Haze male, although SeedFinder notes claims that the real background is Reina Madre × NYCD. Weedmaps and Leafly credit Dr. William Courtney with picking out the ACDC phenotype from a pack of Resin Seeds' seeds.
ACDC spread first as a clone-only cut, and SC Labs testing reported by Weedmaps found a 20:1 CBD-to-THC ratio. Seed versions came later from seed banks, and their plants don't always match the clone exactly. AllBud lists ACDC as Cannatonic × an unknown ruderalis, which does not match the phenotype history given by Leafly, Weedmaps and SeedFinder.
What does a 1:20 THC:CBD ratio mean for ACDC?
A 1:20 THC:CBD ratio means ACDC carries about 20 parts CBD for every 1 part THC. A bud testing 16% CBD at that balance would hold only about 0.8% THC. That is why Leafly describes ACDC as producing little to no intoxicating effect, even though it is a full cannabis plant with measurable THC.
Ratios vary from plant to plant. Individual ACDC test results land on either side of 20:1, and seed-grown plants spread more widely than the original clone. A lab test is the only way to know a specific plant's numbers.
What does ACDC taste like, and how does it feel?
Aroma and flavor
ACDC tastes earthy and piney with a soft citrus and herbal edge, and Weedmaps users also pick out a sweet, honey-like note. AllBud reviewers add lemon, pepper and wood, so the flavor runs more herbal than candy-sweet.
- Earth
- Pine
- Citrus
- Herbal
- Honey
- Pepper
Terpenes
- Myrcene
- Earthy and musky; ACDC's most abundant terpene on Leafly
- Pinene
- Fresh pine and resin
- Caryophyllene
- Peppery, woody spice
ACDC's terpene ranking comes from Leafly's lab-tested product data; one terpene-blend profile puts myrcene near half of the total.
Reported effects
People who use ACDC most often describe a relaxed, clear-headed feeling with little to no high, which fits its very low THC. Leafly's top effect tags are relaxed, focused and uplifted, and Weedmaps users most often report feeling relaxed, happy and uplifted.
- Relaxed
- Clear-headed
- Focused
- Uplifted
- Happy
ACDC's most reported downsides on Leafly are headache, dry mouth and, for a few people, an anxious feeling.
This ACDC summary is built from user reviews on Leafly, Weedmaps and AllBud. Your own response may not match theirs, and nothing here is medical advice.
How do you grow ACDC seeds?
ACDC seeds grow into a short, bushy, sativa-leaning plant that is a little finicky: keep conditions steady, give it 8 to 10 weeks of bloom, and test the finished buds if you want to know the CBD-to-THC balance.
- Germinate3–7 days
Start ACDC seeds in a light seedling mix and keep it moist, not soggy, until the first true leaves appear.
- Vegetate4–6 weeks indoors
Take cuttings from several ACDC plants before flowering, so you can keep the one whose buds test best.
- Flower8–10 weeks
ACDC stays fairly compact in bloom; Weedmaps notes it can run past 70 days in colder rooms.
- HarvestDay 63–70 indoors · mid October outdoors
Judge ripeness by the trichomes, then send a sample to a testing lab if you need exact CBD and THC figures.
Grow tips for ACDC
- Clone your best tester. Seed-grown ACDC plants vary, so grow guides advise testing several and keeping the highest-CBD plant as a mother.
- Keep the room warm and steady. Weedmaps says ACDC grows best indoors or in warm climates and can take longer to finish when temperatures drop.
- Open the canopy with a net. ACDC's short, bushy frame fills a SCROG screen well, and spreading the branches lets light reach the lower buds.
- Expect a gentle effect. ACDC is grown for its CBD balance rather than THC, so a mild effect from the finished buds is normal and not a sign of a failed grow.
- Plan for a mid-October finish outdoors. Seed-bank listings put ACDC's outdoor harvest in mid October, so it suits gardens that stay dry and mild into autumn.
Is ACDC the right strain for you?
Great pick if you
- Want a high-CBD plant with very little THC
- Prefer a clear-headed, mellow feel to a strong high
- Enjoy earthy, piney, herbal flavors
- Are willing to test or clone plants to lock in the ratio you want
Think twice if you
- Want a strong THC high
- Need a fast finish (ACDC takes 8 to 10 weeks)
- Expect every seed to match the original clone's exact ratio
- Are a first-time grower looking for the most forgiving plant
ACDC strain FAQ
What is the THC:CBD ratio of ACDC?
ACDC is usually reported at about 1:20 THC to CBD, meaning roughly 20 parts CBD for every part THC. Weedmaps cites SC Labs testing at 20:1 CBD to THC, but individual plants, especially seed-grown ones, can land higher or lower.
Does ACDC get you high?
ACDC produces little to no high for most people, according to Leafly, because its THC usually sits around 1% or less beside 12–20% CBD. Users mostly describe a relaxed, clear-headed feeling rather than intoxication.
Is ACDC indica or sativa?
ACDC is a sativa-leaning hybrid. AllBud gives a 70/30 sativa-to-indica split, and SeedFinder calls it a sativa-dominant phenotype of Cannatonic. Seed versions are listed anywhere from 50/50 to 60% sativa.
Is ACDC the same as Cannatonic?
ACDC came from Cannatonic but is not identical to it. ACDC is one selected Cannatonic phenotype with an especially high CBD-to-THC ratio, while Cannatonic seeds from Resin Seeds grow a wider mix of plants, some much closer to an even balance of THC and CBD.
Who created the ACDC strain?
ACDC's parent strain, Cannatonic, was bred by Resin Seeds in Spain. Leafly and Weedmaps credit Dr. William Courtney with selecting the ACDC phenotype from a pack of those seeds, and it first spread as a clone.
Is it ACDC or AC/DC?
Both spellings refer to the same high-CBD Cannatonic phenotype. Leafly writes ACDC, Weedmaps and SeedFinder also use AC/DC, and seed banks often add CBD to the name, as in CBD ACDC.
How long does ACDC take to flower?
Expect ACDC to need 8 to 10 weeks once the lights drop to 12 hours; Weedmaps lists 63–70 days and notes it can run longer in colder conditions. Seed banks put the outdoor harvest in mid October in the Northern Hemisphere.
How much CBD does ACDC have?
Reported ACDC results usually fall around 12–20% CBD, with some tests near 19%. THC is typically about 1% or less. Growing conditions, phenotype and harvest timing all move the numbers.
What does ACDC taste like?
ACDC tastes earthy and piney with citrus, herbal and light honey notes. Myrcene is its most abundant terpene on Leafly, followed by pinene and caryophyllene.
ACDC reviews
4.00 out of 5 from 1 review
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1 review for CBD ACDC Strain Marijuana Seeds
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Jim –
Very clear calm, almost no high. Good for stress without fog.