Alien OG Seeds

The Strength of Alien OG

This strain isn’t just potent — it’s one of the strongest on the market, packing a staggering THC content of up to 28%.

Known for its high potency

While this heavy-hitter is a well-balanced hybrid, many phenotypes lean toward the Indica side when it comes to effects. It’s a great choice for evenings or winding down after a long day, especially if you're looking for both mental and physical relief. This strain hits hard and isn’t ideal for beginners or those sensitive to potent strains. Start low and slow — this strain can overwhelm even experienced smokers if you’re not careful.

Feel the High of Alien OG

This is a seriously potent hybrid strain that hits both the mind and body in just the right way. It starts off with a rush of euphoria and a light, floaty head high that can boost your mood and spark some creative thoughts. But don’t get too comfortable — before long, the indica side kicks in with a deep, relaxing body buzz that melts away stress, tension, and whatever else is weighing you down.

This potent strain is known for its high THC levels so it’s definitely not one to underestimate. A few hits can leave even seasoned smokers feeling laid-back, a little spacey, and ready to sink into the couch. It's best saved for evenings or days when you’ve got nothing on the schedule, as it delivers that classic mix of cerebral uplift and full-body calm that makes hybrid lovers come back for more. Just be ready for the munchies — snacks are pretty much required.

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

The Flavor of Alien OG

This hard-hitting flower delivers a bold, standout flavor—sharp, citrusy, and just the right amount of funk. On the first hit, you’ll notice fresh lemon zest with a piney edge from limonene and pinene. As you keep smoking, the flavor deepens into earthy, peppery notes with a musky finish from myrcene and caryophyllene, which also help smooth the high. Some batches even bring a touch of diesel, especially when cured well. It’s smooth, flavorful, and packed with that classic OG Kush vibe—just with an extra citrus kick.

Flowering Time 56-63 Days

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

How to Grow Alien OG Marijuana Indoors and Outdoors

What to Watch Out for When Growing Alien OG - Because it produces dense, sticky buds, this strain is more prone to mold and bud rot in high humidity—especially late in flower. Keep humidity low, airflow strong, and plants well spaced to avoid issues. It doesn’t have built-in pest resistance, but it’s not overly vulnerable either. Like most strains, it can attract spider mites or fungus gnats if the environment isn’t clean. Using Holi Moli Eliminator early helps prevent mold, mildew, and pests before they become a problem.

Germination: Set your grow up for success by following Holi Moli’s germination and transplanting guide. It helps establish a strong root system early on and gives your plants a solid foundation for healthy, vigorous growth right from the start.

Temperature Swings: This high-THC hybrid strain prefers stable indoor conditions and doesn't do well with extreme temperature shifts. Large fluctuations can cause stress and lead to slowed growth or reduced trichome production in flower.

Nutrient Sensitivity: It isn’t overly sensitive but can show signs of stress if overfed— especially with nitrogen in early flower. Monitor leaf tips and runoff pH regularly. For simple, balanced feeding, Holi Moli Juice is a great one-bottle nutrient solution that supports healthy growth from start to finish without risking lockout or burn.

Odor Control: This pungent lemon-pine cannabis strain puts out a bold aroma that only gets louder as harvest approaches. Indoors, a carbon filter is essential. Outdoors, grow location matters—this isn’t the kind of plant you want near nosy neighbors if you're growing discreetly.

Stretching: This OG cultivar tends to stretch moderately—usually 1.5x its height in the first few weeks of flower. Pro Tip: Flip to 12/12 when your plants reach 20–24 inches (around week 5 or 6) to stay ahead of the stretch and maintain an even canopy.

Branch Support: Thanks to its dense bud structure and sticky colas, this trichome-loaded variety can get heavy in late flower. Use stakes, ties, or a light trellis to keep branches supported and prevent bending or breakage as harvest approaches.

Best Climate to Grow Alien OG Cannabis

This lemon-forward OG plant thrives in warm, dry climates where long days of sunshine and low humidity let its sticky, resin-heavy buds develop to their full potential.

Choose a bright, open spot that gets at least 6–8 hours of direct sunlight each day. A natural breeze helps prevent trapped moisture in the canopy and strengthens branches as the plant grows. Avoid planting near fences or walls, as they block airflow and can create shade, leading to slower development and a higher risk of mold.

Fabric grow bags are a smart choice outdoors—they allow excess water to drain easily, promote root aeration, and help stabilize soil temperatures. Never set your grow bags directly on concrete or reflective surfaces—doing so can restrict drainage, overheat the soil, and raise root zone temperatures, which can stunt growth and stress your plants.

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 (Gives your plant the root room it needs to grow tall, branch out, and stack weight with confidence.)

While this trichome-loaded citrus cultivar thrives in dry air, its dense, sticky buds can still trap moisture late in flower—especially if airflow is limited. To reduce the risk of mold and bud rot, it's important to prune the lower branches and thin out the canopy so fresh air can move freely through the plant.

Water early in the morning to give the soil and foliage time to dry before nightfall, and mulch around the base of each grow bag to help retain moisture and keep the root zone cool and stable. For added protection, spray Holi Moli Eliminator from veg through flower—it’s safe for full-season use and highly effective at preventing mold and pests in dense, resin-heavy outdoor cultivars.

How to Grow Alien OG Marijuana in Subtropical Climates

This potent hybrid can grow successfully in hot, arid subtropical climates, but you’ll need to take extra steps to keep it hydrated, cool, and mold-free.

Choose a wide-open, sunny location that gets 6–8+ hours of direct sunlight daily and has a steady natural breeze. Good airflow is essential to prevent heat buildup and moisture pockets inside the dense colas of this resin-heavy OG hybrid strain. Avoid planting near walls or fences, which block airflow and create hot, shaded areas that can slow growth and increase the risk of mold.

Fabric grow bags are a smart choice outdoors—they allow excess water to drain easily, promote root aeration, and help stabilize soil temperatures. Avoid placing your grow bags directly on concrete or reflective surfaces—this can cause drainage issues, trap heat in the soil, and raise root zone temperatures, ultimately limiting your plant’s ability to grow and thrive.

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

This terpene-rich hybrid strain can handle dry air, but it still needs protection from dehydration and late-season bud rot. Apply mulch around the base of your bags to retain moisture and insulate the roots. Water early in the morning so the plant absorbs moisture before the heat of the day kicks in.

If temperatures consistently rise above 90°F, use white shade cloth during peak sun hours to reduce heat stress without blocking light. (Avoid black cloth, which traps heat.) Prune the lower branches and thin the canopy to maintain airflow, and spray Holi Moli Eliminator from veg through flower to prevent mold, mildew, bud rot, and pests—especially critical when growing sticky, dense-budding hybrids in high-heat zones.

How to Grow Alien OG Marijuana in Temperate Climates

This sticky, resin-rich cannabis strain can grow well in temperate climates, but you’ll need to be proactive about moisture control and temperature swings, especially during late flower. For best results, start seeds indoors in early spring, then transplant outdoors once nighttime temperatures stay consistently above 50°F. This gives your plant a strong start before it faces seasonal changes.

Pick a bright, open location that gets 6–8 hours of direct sunlight daily and receives steady airflow. Proper air circulation is key to keeping the canopy dry and free from trapped moisture. Avoid planting near fences or walls, as they can block the breeze and create shaded zones that increase the risk of mold and slow overall development.

Fabric grow bags are ideal for outdoor growing because they support healthy root development with better drainage, increased airflow, and more consistent soil temps. Just make sure to keep them off concrete or reflective ground—those surfaces can trap heat, interfere with drainage, and put unnecessary stress on the root zone, which can hold your plants back.

Grow Bag Sizes & Spacing:

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

This strain produces thick, sticky buds that are susceptible to mold if humidity builds up. Prune lower branches and thin the canopy to boost airflow. Water in the morning so the plant dries before nightfall, and mulch around each grow bag to regulate moisture. If rain is expected late in the season, consider a simple rain cover or greenhouse setup. For extra protection, spray Holi Moli Eliminator from veg through flower to prevent mold, mildew, bud rot, and pests—especially important for sticky hybrids in unpredictable climates.

How to Grow Alien OG Indoors | Complete Guide

This terp-heavy OG strain is a top choice for indoor growers who want dense, frosty buds with bold citrus-pine flavor.

Keep your temps steady—75–80°F during lights-on, and 68–72°F during lights-off. This beauty prefers a consistent climate, especially during flower. Avoid big temperature swings, which can stress the plant and reduce trichome production.

During veg, keep humidity between 55–65% to support leafy growth and branching. Once you flip to flower, drop it to 40–50%, and lower it to 35–40% in late flower to prevent mold in those dense colas. This is especially important when growing resin-loaded indoor strains that pack on weight in the final weeks.

This cannabis variety tends to stay short and bushy but still needs breathing room. Space each plant 2.5–3 feet apart to promote airflow and avoid crowding. Use 5 or 7-gallon pots for optimal root growth. A 10-gallon pot is also a solid choice—but only if you have the space to support the wider canopy and root spread.

If you have growing experience or want to test your skills, this trichome-rich hybrid responds well to topping, LST, and SCROG. These methods help manage height, open the canopy, and boost light penetration to more bud sites—leading to bigger, more uniform yields.

This OG lineage puts out a strong aroma—especially in late flower. A carbon filter is essential to control odor indoors. Run oscillating fans to circulate air evenly and keep foliage dry, and use a dehumidifier in flower to maintain ideal humidity levels. Proper airflow prevents bud rot and supports healthy growth throughout the canopy.

Better lights absolutely mean better yields and top-tier bud quality. Use full-spectrum LEDs for the best results. Many growers run 6500K for veg and switch to 3000K–3500K for flower, but here at Holi Moli, we’ve had great success using 6500K from start to finish to grow dense, frosty buds with bold citrus flavor and excellent bag appeal.

Don’t go cheap on lighting—it’s one of the most important investments in your grow. Weak or low-quality lights will limit your yield, reduce trichome coverage, and water down the terpene profile. If you’re serious about getting the most from this potent indoor OG cultivar, good lighting is non-negotiable.

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