Spec sheet first — strain: hybrid, seed type: feminized, THC: 23-28%, yield band: high, environment: indoor or outdoor.

Lineage: Barney's Farm built this one by stabilizing their Dos Si Dos 33 cut into a fully feminized seed, and the numbers back up the reputation — THC ranges from 23–28%, which puts it firmly in heavy-hitter territory for most Canadian growers. Indoors it's been clocking yields around 700 g/m² with a 60–65 day flower cycle, making it reasonably efficient for a strain carrying that kind of potency. The flavour profile leans earthy with a clean sweetness underneath — nothing showy, just a consistent nose that carries through to the smoke. Difficulty sits at moderate, so you'll want a couple of grows under your belt before running this one; the high resin output means environmental controls (humidity especially) matter more than with beginner strains.

Best suited to experienced hobby growers in controlled indoor setups who want a high-output, high-potency plant without chasing a difficult phenotype hunt.

Genetics & Lineage

Dos Si Dos 33 traces its genetics to Dos Si Dos 33 (Barney's Farm genetics). This hybrid-dominant feminized seed produces plants that express the best traits of its parent lineage, delivering consistent results for growers of all experience levels. Bred by Herbies Seeds, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily euphoric and relaxed effects, making this strain ideal for evening use and unwinding after a long day. The body-centered stone builds gradually, easing tension and promoting deep physical relaxation. With THC levels reaching 28%, this is a potent strain recommended for experienced users — newcomers should start low and go slow.

THC Level & Potency

Dos Si Dos 33 delivers THC levels of 23-28%, placing it in the high-potency category alongside powerhouses like Gorilla Glue and Girl Scout Cookies. CBD content is minimal, so the psychoactive effects are front and center. The onset typically arrives within minutes with a balanced head-and-body experience that evolves over time.

Growing Dos Si Dos 33

Dos Si Dos 33 is rated as moderate difficulty, making it suitable for growers with some experience. Basic knowledge of nutrient schedules, pH management, and environmental controls will help maximize results.

Indoor Growing: Expect a flowering time of 60-65 days with yields of 700 g/m². Plants typically reach 80-150 cm indoors. This strain responds exceptionally well to SCROG (Screen of Green) and LST (Low Stress Training), which can boost yields significantly. Maintain temperatures between 68-80°F with relative humidity around 45-55% during flowering.

Outdoor Growing: This versatile strain performs well in both indoor and outdoor environments. Outdoor growers in warm climates can expect harvest from late September through October. Watch for humidity during late flowering to prevent bud rot, especially with the dense, heavy buds this strain produces.

Flavor, Aroma & Terpene Profile

Dos Si Dos 33 features a earthy, sweet terpene profile that develops complexity throughout the flowering cycle. A smooth, candy-like sweetness defines the flavor, with subtle complexity on the exhale. The aroma intensifies significantly during the final 2-3 weeks of flowering — carbon filtration is recommended for indoor grows requiring discretion.

Medical Benefits

While individual experiences vary, Dos Si Dos 33 is commonly reported to help with stress relief, chronic pain, insomnia, and muscle tension. The deeply relaxing effects make it a popular choice among medical users seeking nighttime relief. As with any cannabis strain, start with a low dose and increase gradually. Consult a healthcare professional before using cannabis for medical purposes.

Who Should Grow Dos Si Dos 33?

This strain is ideal for intermediate growers ready to push their skills and be rewarded with superior results. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy Dos Si Dos 33 from Seennabis?

When you purchase Dos Si Dos 33 through Seennabis, you are buying directly from Herbies Seeds — Exceptional customer service, worldwide stealth shipping, and a massive curated selection from 70+ breeders. Every order includes verified genetics, discreet shipping, and responsive seller support. Herbies Seeds has completed over 171 sales.

Dos Si Dos 33 vs Herbies Head Shop

Dos Si Dos 33 is one of the most searched strains on Herbies Head Shop, and for good reason — it delivers powerful potency with earthy and sweet flavors that growers love. While Herbies Seeds carries this strain as part of their massive catalog of 1,000+ varieties from 70+ breeders worldwide, Seennabis provides a more curated marketplace experience designed to help you find exactly what you need.

Herbies Head Shop has built a strong reputation since 2007 for worldwide stealth shipping, free bonus seeds with every order, and germination guarantees. On Seennabis, you get all those same benefits through Herbies Seeds as a verified seller — plus deeper strain insights, side-by-side comparisons across seed banks, detailed grow data, and community reviews from real cultivators. If you've been searching for “Herbies Dos Si Dos 33” or “Dos Si Dos 33 Herbies review,” you've found the most comprehensive breakdown available.

Why Seennabis Over Buying Direct from Herbies?

Both Herbies Head Shop and Seennabis offer this exact strain with the same genetics, pricing, and shipping. The difference is in the buying experience:

• Better product information: Our strain pages include detailed growing guides, effect breakdowns, terpene profiles, and grower-match tools that go far beyond a standard product listing.
• Cross-breeder comparison: Easily compare Dos Si Dos 33 against similar strains from other seed banks like Barney's Farm, Dutch Passion, and Fast Buds — all in one place.
• Real grow data: Verified grower reports with actual yield numbers, flowering timelines, and cultivation tips you won't find on Herbies product pages.
• Verified marketplace: Every seller on Seennabis, including Herbies Seeds, is vetted for quality, shipping reliability, and customer support.