Hawaiian Snow
- THC
- 16–24%
- Flowering
- 10–14 wk
- Terpene
- Myrcene
- Effect
- Giggly
- Difficulty
- Advanced
- Height
- Very tall

Bred by Mamiko Seeds · Sour Diesel × GSC
Checked Oct 21, 2026 · 4 sources
Sour Cookies is a hybrid that's intermediate to grow. It was bred by Mamiko Seeds from Sour Diesel and GSC. Its THC is about 22% (sources say 15–26%), higher than 57% of the 2,347 strains in our database that list THC. It flowers in about 8 weeks (sources say 6–9 weeks) and is listed for an October outdoor harvest.
Learn to grow Sour Cookies: Indoor & Outdoor Growing course, $199
Grow facts
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.
The grow facts a breeder or public strain listing gives for Sour Cookies.
Flowering window (weeks after the switch to 12/12)
Listed outdoor harvest (northern hemisphere)
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 Sour Cookies: Indoor & Outdoor Growing course, $199
Sour Cookies is a hybrid cannabis strain bred from Sour Diesel and Girl Scout Cookies, featuring a THC range of 18-26%. This strain offers a balanced genetic profile with notable dense, resin-heavy buds that require careful airflow management. Its cultivation requires moderate nutrient input and benefits from early training techniques due to its moderate stretch. Sour Cookies appeals to growers seeking a potent, flavorful plant with a medium flowering time and substantial indoor and outdoor yields.
The high from Sour Cookies begins with an uplifting cerebral euphoria that stimulates creativity and focus. As the effect matures, it shifts towards a soothing body relaxation without heavy sleepiness, lasting up to two hours. This balanced effect makes it suitable for daytime use, with a nuanced peak that blends mental clarity with physical calm. Harvesting when trichomes are mostly cloudy with some amber highlights enhances the calming body sensation.
On opening the jar, Sour Cookies releases a pungent diesel aroma with doughy and cheesy undertones. The inhale presents a sour, nutty flavor with hints of hash and fuel, while the exhale reveals a baked cookie sweetness. Proper curing accentuates the complex terpene profile, softening the sharp diesel notes and balancing the sour citrus and earthy nuances.
Sour Cookies performs well both indoors and outdoors, though indoor environments offer better control over its moderate stretch and nutrient sensitivity. Indoors, apply topping in week 3 of veg and initiate a SCROG setup before flowering to manage its vertical growth and maximize light penetration. Maintain relative humidity around 50-60% during week 2 of veg, reduce to 40-50% by week 2 of flower, and further lower to 35-45% by week 6 of flower to prevent mold in the dense colas. Temperatures should start at 70-75 deg F in week 1 of veg, then shift to 65-80 deg F during weeks 3 to 7 of flowering, avoiding heat spikes that can degrade terpenes. Begin feeding at 0.8 EC in week 1 of veg, ramping slowly to 1.2 EC by week 4 of flower, tapering off in the final two weeks. Aim for PPFD levels of 400-600 µmol/m²/s in veg and 600-900 µmol/m²/s in flower, as the plant tolerates moderate light intensity well. Harvest when trichomes are mostly cloudy with about 10% amber to balance uplift and body effects. Yield optimization relies on canopy management and airflow to mitigate mold risk in dense buds while maintaining resin production.
Because Sour Cookies exhibits moderate stretch especially early in flowering, starting training methods such as topping and SCROG in late veg prevents uneven canopy development and optimizes light exposure. Its high bud density necessitates strong airflow and humidity control to mitigate mold risks during late flower.
Growers with controlled indoor environments who use topping or SCROG to manage moderate stretch and maximize yield; outdoor cultivators in dry, warm Mediterranean climates where mold risk is lower and sunlight is ample
Compared to Hawaiian Snow, Sour Cookies has higher resin production and a more pungent diesel flavor; unlike Blueberry Dream, Sour Cookies requires moderate nutrient sensitivity and more training due to its stretch; relative to Code Blue, Sour Cookies has a slightly shorter flowering time and denser buds requiring careful humidity control
Sour Cookies typically contains THC levels ranging from 18% to 26%, making it a potent hybrid strain. The exact potency can depend on cultivation methods and phenotype variations from the genetics. Always check lab results for precise THC content in your specific batch.
Sour Cookies is a balanced hybrid derived from Sour Diesel (sativa) and Girl Scout Cookies (indica). This results in a roughly equal mix of indica and sativa traits, although the exact ratio can vary by phenotype. The hybrid nature offers both cerebral stimulation and body relaxation.
Sour Cookies typically flowers within 6 to 8 weeks, which is moderate in duration for hybrid strains. This flowering time allows for respectable resin development without an excessively long grow cycle. Proper environmental management can optimize this flowering window for best results.
Sour Cookies is best suited for growers with some experience due to its moderate nutrient sensitivity and stretch. It responds well to training methods like topping and SCROG, which help manage its growth. Indoor cultivation offers more control to mitigate mold risk in its dense buds, making it moderately challenging for beginners.
Sour Cookies has a complex flavor profile featuring pungent diesel and nutty notes with a sour, cheesy undertone. On exhale, a baked cookie sweetness emerges, enhanced by proper curing. This mixed terpene profile creates a rich and layered taste experience appreciated by connoisseurs.
Parents and the strains bred from it, from published lineage.
This strain
Bred from it
Matched on shared parents, top terpenes, type and THC. Never on medical use.
aka Triple D
Hybrid strainsCaryophyllene strainsDiesel strainsStrains bred from Sour Diesel
Where to buy
Find licensed dispensaries in your state
Only state-licensed stores, checked against official license lists.
Grow it
Flowering time, height and difficulty from the sources, then the full method in the Growing course.
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