Blue Cookies Auto

Blue Cookies has one two of the best parent strains in the cannabis world. A combination of Girl Scout Cookies and Blueberry strains created a delicious and hyper-strong bud that sounds as good as it is. Take away the cannabis aspect of Blueberry Cookies, it just sounds tasty. Add the fact that it is easy to grow with high yields of beautiful flowers and an uber-high THC content and this strain is at the top of the list for growers and users around the world. The only information we have about this strain’s creation, other than its genetics, is that it is believed to be from Washington State. This bodes well for growers who want to produce a strain that doesn’t need tropical, Mediterranean-like climates to grow to harvest.

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  • check THC levels up to 25%
  • check 80% Indica 10% Sativa 10% Ruderalis
  • check Relaxed, Focused, Happy Effects
  • check Total Time from Flowering Stage to Harvest 55-65 days
  • check Growing Experience Level: Beginner
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Blue Cookies: A Cross as Delicious as it Sounds

Blue Cookies seeds are a fan favorite in the cannabis community, and for good reason. The flavor profile is sweet with a hint of blueberry and citrus notes. It’s hard to zero in on what is most enjoyable about this bud. The Indica-dominant strain produces deep relaxation without feeling sedated. It really is the best of both worlds, the deep relaxing effect of Indica while also allowing you to focus and be creative at the same time. Everything about this strain is totally ideal for growers and users. Once you add this strain to your grow you won’t replace it with anything else because you won’t want to replace it. Even the initial aroma from the budding plants is pleasant. Once flowering takes effect the plants are different shades of deep greens with bright, vibrant white hairs throughout. While it hasn’t won any major awards it has been nominated and its parent strains have won countless awards in multiple categories.

Growing Tips for Our Seeds

Blue Cookies grows well in controlled settings but also does well outdoors. You don’t need an expensive greenhouse setup to produce the high yields and THC content that this bud creates. Ample room in a garden and the right time of year with plenty of sunlight and this strain will treat you well. Think about the Pacific Northwest in the summer. Those temperatures, the sunlight and humidity will bring this grow to harvest. The plants are short and wide so make sure you have enough room for both the buds to sprawl out and the roots to grow underneath. We will help you dial in your Blue Cookies grow so that you are harvesting big, bold, beautiful buds in a short amount of time.

Dial in Your Growing Conditions

  • Indoor or Outdoor: Blue Cookies grows to harvest even in colder than average summer weather. The ideal temperature for these plants is between 70-75 degrees fahrenheit. This Indica-dominant strain requires 12 hours of light to trigger growth and 12 hours of darkness. High intensity LED lights are recommended for indoor grows because they replicate the sun better than average grow lights.
  • Moisture control: The Blue Cookies strain, during vegetative growth and during the flowering stage, prefers a humidity level between 40-70% which goes to show that this strain does well in a number of settings.
  • Training Techniques: Blue Cookies benefits from low-stress training or any training method that promotes high light penetration. Low-stress training will produce bigger buds, lower on the plant, giving your entire grow a healthy harvest.

The Germination Game Plan

Before you even plant your Blue Cookies female cannabis plants, you will first need to germinate these seeds. To do so, refer to our free germination guide, knowing that they are backed by our impressive 90% germination guarantee.

Yields, Flowering Time and Harvest

  • Flowering Time: With indoor grows you can expect the Rainbow Kush strain to harvest after a flowering stage of 55-65 days. The shorter than average grow cycle is favorable especially to beginner growers. You can expect the beautiful outdoor plants to complete flowering and be harvest-ready by late-September.
  • Yields: Indoor yields are around 450 grams per square meter, while outdoor grows typically produce over 450 grams per plant. Expect high yields with this amazing strain both indoors and outdoors.

Dominant Terpenes in Blue Cookies: A Tantalizing Taste

The Blue Cookies terpene profile is directly responsible for how this plant smells, tastes and the strong effects it has on its users. The most dominant terpene in this strain is Limonene, while Beta-Caryophyllene, Humulene and Myrcene are the secondary terpenes.

  • Limonene: The Most Dominant – Limonene will elevate your mood and help ease stress in users.
  • Myrcene: Flavor Experience – Earthy, musky aroma in abundance with this specific strain.
  • Beta-Caryophyllene: Secondary Terpene – A spicy, peppery terpene that will induce a relaxed and hungry state.
  • Humulene: Unique Flavor and Aroma – Humulene, in connection with the other terpenes in this strain create an enticing aroma and flavor that will leave users coming back for more.

Dominant Cannabinoids in Blue Cookies:

Cannabinoids, although present in the background, play an important role in Blue Cookies and are generally a huge part of cannabis strains. That focused, happy and relaxed feeling you get when using Blue Cookies is due to its dominant cannabinoids. Each cannabinoid does something a little different.

  • THC: The Main Character – THC is the most dominant cannabinoid on the molecular level of this strain. The crystalline compound tetrahydrocannabinol is the main ingredient of cannabis. Topping out at a massive 25%, the THC in the Indica-dominant hybrid is responsible for how deeply relaxed you feel after its use.
  • CBD: Very Minimal Amounts – While the CBD levels in Blue Cookies are less than 2%.

Blue Cookies Auto Cannabis Seeds FAQs

What are the parent strains of Blue Cookies Auto?
Blue Cookies Auto is a cross between Girl Scout Cookies, Blueberry, and Ruderalis genetics. This trio delivers powerful Indica effects, fast flowering times, and automatic light-cycle transitions for easy growing.
Is Blue Cookies Auto an Indica or Sativa strain?
Blue Cookies Auto leans heavily Indica (80%) with small Sativa and Ruderalis influences. Expect deep body relaxation paired with light mental clarity — perfect for unwinding while staying focused.
How long does Blue Cookies Auto take to grow from seed to harvest?
This autoflowering strain completes its life cycle in just 55–65 days. Thanks to its Ruderalis genetics, it automatically transitions to the flowering stage without needing light-cycle adjustments.
What does Blue Cookies Auto taste and smell like?
Blue Cookies Auto features a dessert-like blend of sweet berry and citrus flavors with subtle earthy undertones. Its dominant terpene, limonene, adds an uplifting aroma that makes each session smooth and flavorful.
Is Blue Cookies Auto a good strain for beginners?
Yes — this strain is ideal for new growers. It’s compact, resilient, and thrives in a wide range of climates. Even without special equipment, it produces generous yields and frosty, high-THC buds.

Characteristics

Strain Genetics

Girl Scout Cookies x Blueberry x Ruderalis

Blend

10% Ruderalis, 10% Sativa, 80% Indica

Plant Sex

Feminized

Strain Type

Indica Dominant

Flowering Time

55-65 days

Flowering Type

Automatic

THC Content

25%

CBD Level

Low

Effects

Focused, Happy, Relaxed, Depression

Indoor Yield

Up to 450 g/m2

Outdoor Yield

Up to 450 g/plant

Flavor

Berry, Citrus, Sweet

Growing Difficulty

Easy

Where to Grow

Colder

Seed Type

Autoflower

Plant Height

Short

Yield Levels

High Yield

Reviews

4.3
Based on 361 Reviews
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Only logged in customers who have purchased this product may leave a review.

  1. Julian C. Verified Buyer

    Really impressed by how beginner accessible this strain is. Everything about the grow was predictable and manageable from start to finish. The plants responded well to low stress training and the canopy filled out evenly with excellent light penetration throughout. Harvest came in around 58 days of flower and the yield was over 450 grams per square meter indoors. The sweet fruity aroma is incredible and the focused relaxing high is perfect for evenings. Will not be replacing this one.

  2. W. Mutombo Verified Buyer

    The parent strains alone sold me on Blue Cookies. Girl Scout Cookies and Blueberry are both legends and this cross delivers on the promise of both. The flavor is sweet with blueberry up front and a citrus note underneath that is very pleasant. Grew indoors under high intensity LED as recommended and the plants responded beautifully. Dense high yielding canopy after LST and a very satisfying harvest at around day 60 of flower. Phenomenal strain.

  3. carpool_dad Verified Buyer

    First grow ever and I picked Blue Cookies on a recommendation from a friend. Really glad I listened. Seeds germinated fast, plants were healthy throughout and the whole process felt manageable for a complete beginner. The short 55-65 day flowering window meant I wasn’t waiting forever for results. Buds came out dense and fragrant with a sweet blueberry aroma that hits you immediately. The indica effects are deeply relaxing without knocking you out. Perfect.

  4. S. Fontaine Verified Buyer

    Blue Cookies has become my absolute favorite strain to grow and use. The combination of Girl Scout Cookies and Blueberry genetics is something special. Plants stayed short and wide which fit my indoor setup perfectly and the buds were stunning during flower, deep greens with bright white hairs throughout. The sweet blueberry citrus flavor is exactly as described and the 25% THC delivers a deeply relaxing but still focused high. Already on my second run with this one.

  5. michaelaltman Verified Buyer

    The side branches grew out almost as big as the main cola. It created a very full, productive plant.

  6. sophieclark Verified Buyer

    As a cautious buyer, I started with a small run and monitored everything closely. Every seed sprouted without issue, producing sturdy seedlings that established quickly. Growth remained uniform, making feeding and training straightforward. Even when I made a minor scheduling mistake, the plants recovered easily. The entire experience felt forgiving and confidence building, especially for growers who want reliable genetics that do not demand constant attention.

  7. Colin Fraser Verified Buyer

    Love seeing the frost increase every morning.

  8. Felicia B. Verified Buyer

    Blue Cookies is my new benchmark strain for indica dominant grows. The combination of beginner friendly cultivation, short flowering time, high yields and exceptional flavor and effects is genuinely hard to beat. The GSC and Blueberry cross delivers on every front. Short wide plants, dense resin covered buds and a sweet fruity aroma that fills the room at harvest. The 25% THC produces a deeply relaxing focused high that is ideal for unwinding at the end of the day. Outstanding genetics.

  9. Paige M. Verified Buyer

    Grew Blue Cookies for the first time this cycle as part of a test run of new strains. It immediately stood out. Germination was near perfect, plants were healthy and consistent throughout veg and flowering came right on schedule. The buds during late flower were deep green with vibrant white hairs and the resin coverage was impressive. Post harvest the sweet blueberry citrus aroma just keeps getting better through the cure. Relaxed focused high. This one is a keeper.

  10. Farid Hassan Verified Buyer

    Resilient to minor nutrient fluctuations. I had a slight PH dip, but the Blue Cookies didn’t even droop. Very tough plants.

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*To be covered by the Growers Choice Cannabis Seeds 90% Germination Guarantee, you must precisely follow the Germination Method.

Frequently Asked Questions

All our products are federally legal and have been since the 2018 Farm Bill. This piece of legislation legalized cannabis products containing less than 0.3% Delta-9 THC by dry weight. We regularly have all our products tested by third-party labs, to ensure our compliance with federal law.
All Growers Choice Seeds products are regularly tested by third-party labs to ensure safety and federal legality.
Our federally legal cannabis seeds are organic non-GMO, and will grow into plants that gives you the fun THC high and wellness benefits without the risk, danger and inconsistency of illegal marijuana. We’re so confident in our growers and producers, that we offer a money back satisfaction guarantee.
Growers Choice Seeds is committed to transparency and safety. All of our seeds are tested by third-party labs to ensure they meet federal legal and health standards.
Using marijuana will cause you to test positive for THC. We recommend not using them if you are required to pass a drug test for marijuana.