NEWEarn a verifiable digital badge for every course, add it to LinkedIn in one click. Launch pricing ends Nov 1 →A verifiable digital badge for every course. Launch pricing ends Nov 1 →
Tall outdoor cannabis plant growing in a trellised row at a Colorado farm

Strain facts

Checked Oct 21, 2026 · 3 sources

Chemdawg is a hybrid that's intermediate to grow. It comes from Chemdog. Its THC is about 20% (sources say 17–24%), milder than 54% of the 2,347 strains in our database that list THC. It flowers in about 9 weeks (sources say 7–10 weeks).

Type
Hybrid
THC
About 20%17–24% across 3 sources
Top terpenes
  1. Caryophyllene peppery, spicy
  2. Myrcene earthy, musky
  3. Limonene citrus
Commonly reported effects
Euphoric, relaxed, tingly, happy and uplifted
Flavors
Diesel and earthy
Breeder
Chemdog
Grow difficulty
Intermediate1 source
Flowering
About 9 weeks7–10 weeks across 2 sources
3 sources for this profile
  1. CTU strain dataset (public strain listings)

Grow facts

  1. AllBud (strain database) THC
  2. Crop King Seeds (seed bank) CBD, difficulty, flowering, THC, yield indoor and yield outdoor

Grow facts come from the breeder first, then seed banks and strain databases. With 2 sources we show the range and the middle; with 3 or more, the range and the median, after leaving out values far from the rest. The breeder's own value is the anchor, unless it is far from every other source (outside their range and more than 20% from their median); then we show the full range and the median of all of them. A fact from a single source is marked "1 source", and a fact no source lists is left out. Yields are converted to one unit: indoor per square meter, outdoor per plant.

CTU writes every profile from these facts; we do not copy other sites' descriptions. Values that are a generic default in the source data are left out. Last checked Oct 21, 2026.

Source: CTU strain dataset (public strain listings and breeder info, checked by CTU), verified Oct 2026. Potency, flavor and effects vary by grower, batch and plant. Facts no source lists are left out.

How to grow Chemdawg

The grow facts a breeder or public strain listing gives for Chemdawg.

Flowering time
About 9 weeks7–10 weeks across 2 sources. Slower than 51% of strains with a listed time
Yield indoor
About 450 g/m²1 source
Yield outdoor
About 700 g per plant1 source
Difficulty
Intermediate1 source. One of 884 intermediate-rated strains

Flowering window (weeks after the switch to 12/12)

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14

Sources: the breeder, seed banks and strain databases listed under sources, checked Oct 2026. Percentages compare with every strain in our database that lists the same fact.

Learn to grow Chemdawg: Indoor & Outdoor Growing course, $199

About Chemdawg

Chemdawg is a legendary hybrid strain with THC levels ranging from 18% to 21%, famed for its distinct chemical-diesel aroma and dense colas. Its genetics stem from mysterious bag seed origins, making it a foundational strain for classics like Sour Diesel and OG Kush. This cultivar thrives both indoors and outdoors but demands attentive nutrient management due to its strong feeding needs. Its moderate flowering period and high resin production distinguish it in cultivation and extraction contexts.

Effects people report

The high from Chemdawg initiates with a euphoric and uplifting cerebral rush that sharpens creativity and focus. This peaks into a relaxed and tingly sensation that balances mental stimulation with a calming body effect. The overall experience is balanced, lasting approximately 2 to 3 hours, suitable for both daytime and early evening use depending on harvest timing.

Flavor and aroma

Upon opening a cured jar of Chemdawg, the aroma bursts with sharp chemical and diesel notes accented by a pungent undertone. The inhale presents a smooth profile with subtle sweetness reminiscent of caramel or coffee, while the exhale intensifies the diesel and chemical essence. The terpene-driven flavor profile matures beautifully with proper curing, enhancing its distinctive pungency and smooth smoke.

Growing notes

Chemdawg displays consistent growth indoors and outdoors but requires careful nutrient management due to its high feeding appetite. Indoors, it responds well to SCROG and LST training methods, which help manage its moderate stretch and maximize light penetration for top colas. Outdoors, it favors dry, warm climates with stable temperatures between 70 deg F and 85 deg F. Maintaining humidity below 50%, especially during late flowering, is critical to prevent mold in its dense buds. Proper airflow and defoliation practices further reduce mold risk. Yield optimization depends on canopy management to ensure light reaches lower nodes, supporting its high yield potential.

Grower tips

  • Top once in week 3 of veg to encourage multiple main colas
  • Maintain humidity at 40-45% from week 6 of flower to prevent mold
  • Start nutrient feeding at 0.8 EC and increase by 0.2 weekly to match its strong appetite
  • Use SCROG and LST to control canopy and improve light distribution
  • Keep temperatures stable between 70-85 deg F to preserve terpene profiles
  • Defoliate lower leaves to improve airflow and reduce pest risk

Common mistakes

  • Overwatering early causes root issues and slows growth
  • Overfeeding in flower triggers nutrient lockout and burnt tips
  • Letting late-flower RH climb above 50% leads to bud rot in dense interior colas
  • Delaying topping past day 14 of veg leaves an uneven canopy that reduces yield by 15-20%

Expert insight

Chemdawg's moderate stretch requires early training such as topping or SCROG before flowering to maintain an even canopy, which maximizes light exposure and yield. Its high mold risk demands strict humidity control below 50% in late flower and thorough defoliation to prevent bud rot, especially given the dense colas.

Who should grow Chemdawg?

Indoor growers using topping or SCROG will benefit from Chemdawg's strong training response and moderate stretch to optimize canopy and yield. Growers in dry, warm climates will find its outdoor preference aligns well with Mediterranean conditions, making it a reliable choice for those environments. Both profiles should be prepared for attentive nutrient management given its strong feeding habits.

How it compares

Compared to Sour Diesel, Chemdawg has a similar diesel aroma but offers a more balanced effect combining cerebral and body sensations. Unlike OG Kush, Chemdawg's flowering time is slightly shorter and it demands less advanced grower experience. Chemdawg 4 phenotypes tend to be more indica dominant with denser buds, whereas Chemdawg maintains a hybrid balance with moderate stretch and resin production.

Chemdawg FAQ

What is the THC level of Chemdawg?

Chemdawg typically has THC levels ranging from 18% to 21%, making it a moderately potent strain suitable for experienced consumers. This THC range contributes to its balanced cerebral and body effects that last 2 to 3 hours.

Is Chemdawg indica or sativa?

Chemdawg is a hybrid strain with genetics that balance both indica and sativa traits. This hybrid nature explains its combination of uplifting cerebral effects and relaxing body sensations.

How long does Chemdawg take to flower?

Chemdawg flowers in approximately 7 to 9 weeks, which is a moderate flowering period allowing growers to plan for timely harvests. This timeframe supports its dense bud development and resin production.

Is Chemdawg easy to grow?

Chemdawg is moderately difficult to grow due to its strong nutrient appetite and sensitivity to humidity and mold. However, with proper training methods and environmental control, growers can achieve high yields and quality buds.

What does Chemdawg taste like?

Chemdawg offers a sharp chemical and diesel aroma with a smooth, slightly sweet inhalation reminiscent of coffee or caramel. The exhale intensifies the pungent diesel and chemical flavors, making its taste profile distinctive and memorable.

Chemdawg family tree

Strains bred from it, from published lineage.

This strain

ChemdawgHybrid · 17–24% THC · 7–10 wk

Bred from it

Chem De La ChemChemdawg x I-95
Chem Valley KushChemdawg x SFV OG Kush
Deadhead OGChemdawg x SFV OG Kush

All 37 strains bred from Chemdawg

Similar strains

Matched on shared parents, top terpenes, type and THC. Never on medical use.

Hybrid

Alchemy

THC
22–26%
Flowering
7–10 wk
Terpene
Myrcene
Effect
Creative
Save
Hybrid

Alien Jack

THC
18–26%
Flowering
8–10 wk
Terpene
Terpinolene
Effect
Energetic
Difficulty
Intermediate
Save

Hybrid strainsCaryophyllene strainsDiesel strains

Where to buy

Find licensed dispensaries in your state

Only state-licensed stores, checked against official license lists.

Is cannabis legal where you live?

Grow it

How to grow Chemdawg

Flowering time, height and difficulty from the sources, then the full method in the Growing course.

Related strains

Similar strains

37 database strains list it as a parent. All strains A–Z

Medical Disclaimer
The information on this website is for educational purposes only and is not intended as medical advice. Always consult a qualified healthcare professional.
Legal Compliance Disclaimer
Cannabis remains illegal under U.S. federal law. Education provided is intended only for jurisdictions where cannabis activity is legal. Users are responsible for understanding local laws.
Guarantee
7-day money-back guarantee · Refund Policy
  • Cannabis Training University 600 17th St, Suite 2800 Denver, CO 80202
© 2026 Cannabis Training University. All Rights Reserved. Cannabis Training University® is a registered trademark of Online Training Providers LLC.

Copyright Cannabis Training University, a subsidiary of Online Training Providers. © 2026. All Rights Reserved.

Medical Disclaimer: The information on this website is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.
Legal Compliance: Cannabis remains federally illegal. Products and information are intended only for jurisdictions where cannabis use and possession is legal.
By using this site, you affirm that you are of legal age (21+) and responsible for understanding your local laws.

Divider Text
7-day money-back guarantee. See our Refund Policy at /refund-policy/.