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 - This resin-heavy, terpene-rich exotic cultivar has moderate natural resistance but is still vulnerable to mold in high humidity due to its dense, trichome-coated colas. Ensure steady airflow, keep humidity under control, and use Holi Moli Eliminator from veg through flower to guard against mold, mildew, bud rot, and pests. Safe at every stage of growth, it’s a key step in maintaining premium bud quality and rich aroma.

Germination: Begin your grow with confidence using Holi Moli’s germination and transplanting guide—crafted to encourage rapid, healthy root growth and lay the groundwork for vigorous, top-quality plants.

Temperature Swings: This sweet, berry-scented hybrid thrives in a stable climate and doesn’t respond well to drastic temperature shifts. Mild fluctuations are fine, but large day-to-night changes can stress plants, slow bud development, and impact yields. Keep conditions consistent from veg through flower for the best results.

Nutrient Sensitivity: This flavor-packed strain responds well to balanced feeding but can be sensitive to overfeeding—especially nitrogen in flower. Too much can throw off pH and mute the strain’s sweet, berry-forward terpene profile. Holi Moli Juice is a complete, full-spectrum nutrient solution you can use from veg through flower to simplify feeding while keeping plants vigorous and terpene expression strong.

Odor Control: Expect a potent, fruity-sweet aroma with earthy undertones that becomes intense during late flower. Indoors, use a quality carbon filter to keep scents contained. Outdoors, choose planting sites away from property lines if discretion is important.

Stretching: This hybrid has minimal to moderate stretch in the first 2–3 weeks of flower. Pro Tip: Flip to 12/12 when plants are around 20–24 inches tall (about week 5–6) to maintain an even canopy and avoid overcrowding.

Branch Support: The thick, resinous buds on this strain can get heavy toward the end of flower, causing branches to bend or snap. Use stakes, trellis netting, or plant yoyos to support colas and keep them upright until harvest.

Best Climate to Grow Blackberry Kush Cannabis

This sweet, berry-forward hybrid thrives in warm, sunny outdoor conditions where it can bask in 8–10 hours of direct sunlight daily and enjoy a steady natural breeze.

Pick a bright, open grow spot with plenty of airflow to keep the canopy dry and protect the dense, trichome-coated buds from excess moisture. Avoid planting near fences or walls, as they can trap humidity, block airflow, and cast unwanted shade—slowing growth and increasing the risk of mold.

Opt for fabric grow bags instead of plastic pots—fabric offers better root aeration, improved drainage, and more stable soil temperatures. Plastic can trap heat and moisture, which can stress plants in direct sun.

Never set your grow bags directly on concrete or heat-reflective surfaces. These can overheat the root zone, restrict drainage, and slow root development.

Grow Bag Sizes & Spacing:

• 10-gallon bags – allow 3.5–4 feet of space
• 15-gallon bags – allow 4.5–5 feet of space
• 20-gallon bags – allow 5–6 feet of space (Provides ample space for roots to grow and fortify—strong, healthy root systems fuel larger, more vigorous plants with the potential for increased size and heavier harvests.)

Even in warm, dry climates, morning dew or post-rain moisture can create humidity spikes. Water early in the day so foliage dries before nightfall, apply a thick mulch layer around the base to insulate roots and maintain steady soil moisture, and follow the spacing recommendations above for optimal airflow.

While this resin-loaded cannabis plant has good natural resilience, its thick buds can still harbor pests or develop mold in certain conditions. Spray Holi Moli Eliminator from veg through flower to guard against mold, mildew, bud rot, and pests.

How to Grow Blackberry Kush Marijuana in Subtropical Climates

This frost-covered, dessert-scented beauty can perform exceptionally well in hot, arid subtropical climates when given the right care to handle intense sun and prevent rapid moisture loss.

Choose a wide-open location that gets 8–10 hours of direct sunlight daily and steady, natural airflow. Avoid planting near fences or walls, as these can trap heat, hold humidity, limit airflow, and cast unwanted shade— slowing growth and creating pockets where mold can form even in dry weather.

Always go with fabric grow bags instead of plastic pots—fabric allows for better root aeration, improves drainage, and helps regulate soil temperature during extreme heat. Plastic retains heat and moisture, which can stress plants and slow growth in high temperatures.

Never position grow bags directly on concrete or heat-reflective surfaces. These can overheat the root zone, restrict drainage, and hinder root development.

Grow Bag Sizes & Spacing:

• 10-gallon bags – 3.5–4 feet
• 15-gallon bags – 4.5–5 feet
• 20-gallon bags – 5–6 feet

Even though the climate is dry, extreme sun and heat can quickly dehydrate plants. Water deeply in the early morning so roots have time to absorb moisture before the hottest part of the day. Add a thick mulch layer to insulate the root zone and slow evaporation. If temperatures exceed 90°F for extended periods, use white shade cloth during the peak hours to reduce heat stress without blocking essential sunlight. Avoid black shade cloth, as it traps and radiates heat, making the environment harsher.

Even in arid conditions, pests can still target the thick, trichome-coated buds of this sweet, fruit-forward strain, and rare humidity spikes from storms can cause mold late in flower. Maintain airflow, check plants often, and apply Holi Moli Eliminator from veg through flower to guard against mold, mildew, bud rot, and pests.

How to Grow Blackberry Kush Marijuana in Temperate Climates

This potent, crystal-dusted strain can thrive in temperate climates, but it needs extra attention to manage seasonal humidity, shifting temperatures, and late-season rain.

For the best results, start seeds indoors in early spring, then transplant outdoors once nighttime temperatures stay consistently above 50°F. This gives your cannabis plants a strong head start before facing the unpredictable shifts of a temperate grow season.

Choose a sunny, open grow site that gets 8–10 hours of direct sunlight daily and steady natural airflow. Good circulation keeps foliage dry and reduces the risk of mold forming in the dense, terpene-rich buds. Avoid planting near fences or walls, as these structures trap humidity, block airflow, and cast unwanted shade—slowing growth and encouraging mold.

Always choose fabric grow bags over plastic pots—fabric promotes strong root aeration, improves drainage, and helps regulate soil temperature, while plastic can trap heat and moisture, stressing plants during seasonal weather changes.

Avoid placing grow bags directly on concrete or heat-reflective surfaces, as these can radiate heat into the root zone, cause poor drainage, and stunt plant development.

Grow Bag Sizes & Spacing:

• 10-gallon bags – 3.5–4 feet apart
• 15-gallon bags – 4.5–5 feet apart
• 20-gallon bags – 5–6 feet apart

This flavorful, resin-packed indica is prone to mold in wet or humid conditions. Prune lower branches, thin the canopy to boost airflow, water early in the morning so leaves dry before nightfall, and mulch around the base to keep moisture levels stable. If rain is expected late in the season, use a rain cover or simple greenhouse to protect heavy, ripe colas from prolonged moisture exposure.

Even with moderate resistance, this aromatic, high-THC strain thrives best with proactive care. To stay ahead of mold and pest problems, apply Holi Moli Eliminator as a preventative from veg through flower to keep your plants protected.

How to Grow Blackberry Kush Indoors | Complete Guide

This juicy, berry-infused strain thrives in a stable, warm environment. Keep daytime (lights-on) temps between 75–80°F and nighttime (lights-off) temps between 65–70°F. Large day-to-night temperature swings can stress plants, slow development, and impact bud density, so aim for steady conditions from veg through flower.

During the vegetative stage, maintain 60–65% RH to encourage strong foliage and root growth. As flowering begins, gradually lower humidity to 45–50% to help prevent mold in the thick, trichome-coated buds. In the final two weeks before harvest, drop RH further to 40–45% to lock in terpene richness and improve bud structure.

Use fabric grow bags instead of plastic pots— fabric promotes better root aeration, improves drainage, and helps regulate soil temperature. For most setups, 5–7 gallon fabric pots work perfectly. Maintain 2.5–3 feet between plants to ensure good airflow and prevent overcrowding.

This trichome-packed hybrid adapts well to a variety of training methods. Experienced growers—or those looking to level up their skills—can try topping, low-stress training (LST), or a SCROG setup to open the canopy and boost light penetration for bigger harvests. Newer growers may want to stick with simple LST and light defoliation until they’re ready to tackle more advanced techniques.

Expect a strong, fruity-sweet aroma with earthy undertones during late flower, so a carbon filter is essential indoors. Pair it with oscillating fans to keep air moving evenly through the canopy and a dehumidifier to control moisture—especially during late flower when buds are most vulnerable to mold.

Lighting is one of the biggest factors in how this berry-scented powerhouse finishes. Full-spectrum LEDs will deliver the best results. While some growers veg under 6500K and switch to 3000K–3500K for flower, our growers here at Holi Moli have seen exceptional results keeping plants under 6500K from start to finish—producing dense, frosty buds with rich aroma and vibrant bag appeal.

Avoid cutting corners when it comes to lighting. Weak or poor-quality fixtures can lead to loose buds, diminished resin output, and muted flavors. For growers chasing big yields and premium-quality flower, investing in powerful, efficient lighting is essential—it can be the deciding factor between an average harvest and a standout crop.

GET YOUR SEEDS TODAY!