Blackberry Kush Seeds

The Strength of Blackberry Kush

This insane combination created a potent marijuana strain with THC levels of 21%-23%.

Known for its high potency

It’s deeply relaxing and perfect for nighttime use - the kind of strain you’ll want to reach for after a long day when you’re ready to kick back, melt into the couch, and just let it all go.

Feel the High of Blackberry Kush

This heavy-hitting relaxing weed is the kind of strain that wraps around you like a warm blanket and doesn’t let go - in the best way possible. The high comes on smooth and heavy, sinking straight into your body with a calming, couch-melting buzz that’s perfect for kicking back and turning the world off. It leaves you feeling floaty, mellow, and straight-up content, making it a go-to for chill nights, deep relaxation, or just zoning out to your favorite playlist.

And yes - the munchies hit hard with this one, so snacks are definitely a must. Between the bold flavor, heavy high, and peaceful vibe, Blackberry Kush is one of those strains people keep coming back to because it just hits right.

Responsible marijuana use within one's tolerance levels can produce pleasant effects- avoid excessive intake.

The Flavor of Blackberry Kush

This fruity Hybrid tastes just as good as it sounds - like you’re smoking a handful of fresh-picked berries. The first hit hits sweet, with bold blackberry and a little grape that rolls across your tongue, and then it mellows out into this smooth, earthy finish that’s super satisfying.

You can thank the myrcene for that juicy, fruity flavor, and caryophyllene adds just the right amount of warm, peppery kick on the back end. There’s even a touch of limonene in there that gives it a faint citrus twist, but the real star is that deep, sweet berry funk. Honestly, once you spark it up, the room fills with that sweet-skunky aroma and everyone’s like - what is that?! It's straight-up delicious.

Flowering Time 65-75 Days

-- Outdoor Grow (Full Sun / In Ground) --
Height: 6 Ft Plus
Yield: 1 - 1 1/2 Plus lbs. Cured

How to Grow Blackberry Kush Marijuana Indoors and Outdoors

What to Watch for When Growing Blackberry Kush - It has decent resistance to pests, but its buds get dense and sticky, especially in the final weeks, which makes it more prone to mold and bud rot if humidity climbs too high. Keep airflow strong and humidity low during flower. Spraying withHoli Moli Eliminator as a preventative is a smart move.

Temperature Fluctuations: This strain prefers a stable environment, especially during flower. It can handle light swings, but big drops between day and night can slow growth and stress the plant.

Nutrient Sensitivity: It isn’t overly sensitive, but go easy on nitrogen during flower - too much can throw off the pH and dull the flavor. Stick to a balanced feeding schedule. If you want to keep it simple, Holi Moli Juice is a solid one-bottle solution from veg to harvest.

Odor Control: This lady gets loud. As it matures, the sweet berry-skunk aroma can fill a grow room fast. If you’re growing indoors, a carbon filter is a must if you want to keep things discreet.

Stretching: It doesn’t stretch much after flip - maybe 1.25x its veg height, so it’s pretty easy to control. Pro Tip: Flip to 12/12 when your plant hits 20-22 inches tall (usually around week 5 or 6) to keep your canopy tight and manageable.

Support: This plant builds up some seriously heavy buds, so it’s smart to get support in place early. Don’t wait until the branches start leaning - by then, you’re risking breaks or damage. Throw in some bamboo stakes or set up a trellis during early flower and you’ll save yourself the headache later on.

Best Climate to Grow Blackberry Kush Outdoors

This trichome-loaded beauty thrives in warm, dry climates with long, sunny days and low humidity. This strain loves soaking up the sun, so pick a spot that gets at least 6-8 hours of direct sunlight and a steady natural breeze. Good airflow is especially important during late flower, when the buds get dense and sticky.

To stay ahead of mold in late flower, water early in the day so plants dry off by night. A layer of mulch helps hold moisture at the roots while keeping the surface dry. Prune lower branches and thin inner foliage to boost airflow, and don’t plant near fences or walls that block the breeze. If you do get unexpected rain, a simple canopy can help keep those sticky buds dry.

Fabric grow bags are highly recommended - they drain well, breathe better than plastic, and help keep roots cooler on hot days. Just make sure your bags are set on well-draining ground and not sitting directly on concrete or hot surfaces. For spacing:

— 5-gallon bags – 2–3 feet apart

— 10-gallon bags – 3–4 feet apart

— 15-gallon bags – 4–5 feet apart

— 20-gallon bags – 5–6 feet apart

How to Grow Blackberry Kush Marijuana in Subtropical Climates

This purple-leaning powerhouse can be grown in hot, arid subtropical climates, but it needs a little extra care to stay healthy in those intense conditions.

The dry air and strong sun can dry out your soil quickly, so fabric grow bags are the way to go. They help the roots stay cool, drain well, and allow for airflow - but you'll need to water more frequently than in milder climates. Adding a thick layer of mulch over the soil helps retain moisture and protects the root zone from overheating.

Even in dry climates, humidity can spike during late flower or after a surprise storm. Water early in the morning so your plants dry off by nightfall, and make sure to prune the lower branches and thin inner foliage to keep the air moving through the canopy. Set your plants in a sunny, open spot where they can get at least 6-8 hours of direct light, and avoid planting near fences or walls that block airflow. If the temperature regularly climbs above 90°F, consider using a white shade cloth during the hottest hours to reduce stress.

Grow Bag Sizes & Spacing:

— 5-gallon bags – 2–3 feet apart

— 10-gallon bags – 3–4 feet apart

— 15-gallon bags – 4–5 feet apart

— 20-gallon bags – 5–6 feet apart

For hot climates, 15- or 20-gallon fabric pots work best - they hold more moisture and give the roots room to breathe. Just make sure your bags are placed on well-draining ground, and not in direct contact with concrete or hot surfaces.

How to Grow Blackberry Kush Marijuana in Temperate Climates

This sweet, skunky Hybrid can be grown in temperate climates, but you’ll want to take a few extra steps to make sure it finishes strong - especially as the weather cools and humidity rises late in the season.

Start your seeds indoors in early spring and transplant them outdoors once the last frost has passed and nighttime temps stay above 50°F. Fabric grow bags are ideal in this climate - they drain well, help prevent root rot, and keep the root zone healthy even during rainy periods. Be sure to place your bags on well-draining ground and not directly on concrete or other surfaces that hold moisture.

To manage humidity, water early in the day, use a layer of mulch to regulate moisture and soil temperature, and prune lower branches and thin inner foliage to improve airflow.

Choose a sunny, open spot with good natural breeze and avoid planting near fences or walls that block airflow. If rain is expected during late flower, throw up a simple rain cover or greenhouse tarp to keep your buds dry and mold-free.

Grow Bag Sizes & Spacing:

— 5-gallon bags – 2–3 feet apart

— 10-gallon bags – 3–4 feet apart

— 15-gallon bags – 4–5 feet apart

— 20-gallon bags – 5–6 feet apart

How to Grow Blackberry Kush Cannabis Indoors

This flavorful strain prefers a stable indoor climate. Keep your temps around 72-80°F during lights-on hours, and no lower than 60-65°F during lights-off. It can handle slight swings, but large temperature drops - especially during flower - can stunt growth or lead to stress that affects yield and bud development.

During veg, aim for 55-65% humidity to encourage healthy leaf and root development. Once you switch to flower, start lowering humidity gradually. By mid to late flower, you’ll want it down to around 40-45% to help prevent mold and bud rot, especially since this strain produces chunky, resin-heavy colas. A dehumidifier is a smart investment to keep things in the safe zone during flowering.

Use 5-7 gallon fabric pots - they allow for proper root aeration and prevent overwatering. If you’ve got extra space and want to go bigger, 10-gallon pots work great for larger plants with more room to stretch. This beauty tends to stay short and bushy, but still needs breathing room. Space your plants at least 18-24 inches apart to allow for airflow and even light distribution. This becomes even more important if you’re training them out horizontally.

If you have some experience or you’re testing your grower skills, it responds really well to training. Try topping, LST (low-stress training), or even a SCROG setup to maximize yields and open up the canopy. Start training early in veg to give the plant time to recover before flowering kicks in. Training also helps reduce mold risk by improving airflow between those thick, compact branches.

This strain gets very loud in late flower - the sweet berry-skunk aroma is no joke. If you’re growing indoors and want to stay discreet, a carbon filter is 100% necessary. Without one, the smell will take over your space fast. Use oscillating fans to keep air moving above and below the canopy. Good airflow strengthens stems, regulates temperature, and reduces the risk of mold or mildew. One fan down low and one up top usually does the trick for even coverage.

Light absolutely matters. Blackberry Kush thrives under strong, full-spectrum LEDs. Most growers use 6500K during veg and switch to 3000K or 3500K for flower. But here at Holi Moli, we actually run 6500K from start to finish and consistently see dense, trichome-packed buds with strong aroma and flavor. If you’re chasing big yields and top-shelf bud quality, investing in good lighting is a must.

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