Macro cannabis cola with white pistils and dense trichomes from Blimburn Seeds genetics.

How To Grow OG Kush x Amnesia

Are you ready to grow a true icon? A strain that takes the deep, relaxing power of OG Kush and combines it with the soaring, creative high of Amnesia Haze? Then let’s talk about the incredible OG Kush x Amnesia.

This is the plant you grow when you want a perfect balance of euphoria and deep relaxation, wrapped in a fantastic flavor profile. It’s a favorite in our community for a reason. I’m here to educate you and help you nurture this beautiful plant from a tiny seed into a massive harvest of top-shelf, homegrown buds. Let’s get to it!

From Seed to a Pungent, Potent Harvest: The Full Grow-Along

This balanced hybrid is resilient and a joy to cultivate, rewarding your care with dense, frosty, and powerful flowers. Let’s break down its entire journey.

Germination: The First Spark of a Legend

Every great plant starts with a single healthy seed. The paper towel method is my trusted technique.

  • Soak: Give your seeds a 12 to 24-hour soak in a glass of room-temperature water.
  • Wrap: Place the hydrated seeds between two paper towels that are damp, but not dripping wet.
  • Keep it Warm & Dark: Put your paper towel setup inside a Ziploc bag or between two plates.
  • Sprout!: In 3 to 7 days, a tiny white taproot will emerge. Game on! Carefully plant it about a half-inch deep in your starter pot, with the root pointing down.

Common Mistake to Avoid: Being too rough. That new little taproot is the most fragile part of the plant’s life. Use tweezers and a gentle touch when moving it to its new home.

The Vegetative Stage: Building a Strong Foundation

During the veg stage, your OG Kush x Amnesia is focused on building a strong, leafy structure to support all those future dense, heavy buds.

  • Light Cycle: You need long “days” to promote strong vegetative growth. An 18/6 light cycle (18 hours of light, 6 of darkness) is the gold standard.
  • Nutrient Needs: Your plant is hungry for Nitrogen (N) during this phase to fuel all that leafy development. This strain can be a heavy feeder, so don’t be shy!
  • Train for Bigger Yields: This plant responds incredibly well to training. Techniques like Topping or the Screen of Green (SCROG) method will open up the canopy and create a carpet of colas, dramatically increasing your final yield.

The Flowering Stage: An Aromatic Explosion

This is where the magic really happens. To trigger flowering, you MUST switch your lights to a strict 12/12 cycle (12 hours of light, 12 hours of absolute darkness).

The flowering time for this hybrid is typically 9-11 weeks. During this phase, the plant will stretch a bit, then focus its energy on producing incredibly dense and resinous buds. The aroma will be a beautiful and complex mix of earthy pine, sweet citrus, and incense notes.

When you flip your lights, switch to a “bloom” fertilizer that is higher in Phosphorus (P) and Potassium (K) to support this amazing flower production.

Common Mistake to Avoid: High Humidity. Those dense buds are a magnet for mold if your humidity is too high. It is CRITICAL to keep your humidity levels lower (around 40-50%) and ensure good airflow during the flowering stage.

Indoor vs. Outdoor: Choosing Your Grow Environment

This hybrid is adaptable, but a controlled environment will give you the best results.

Growing Indoors

This is where you can create the perfect environment to produce connoisseur-quality buds.

  • Height: This is a very manageable plant for indoor grows. Expect a final height between 3 to 5 feet (90-150 cm). It’s perfect for most grow tents.
  • Climate Control: This strain is sensitive to big swings in temperature. Keeping your grow room stable is key to a happy plant and a high-quality harvest.

Growing Outdoors

If you have the right climate, you can cultivate a beautiful outdoor plant.

  • Height Potential: Unrestrained outdoors, this plant can stretch up to 8 feet (240 cm) or more!

Best U.S. Cities and Climates: This strain loves a warm, stable, Mediterranean-like climate.

  • California (San Diego): The consistent warmth and sun provide an ideal setting for this plant to thrive.
  • Colorado (Denver): The intense sun is great for resin production, and the dry air helps prevent mold.
  • Texas (Austin): The long, warm growing season is great, but be extra vigilant about airflow to prevent mold in the high humidity.

Pro-Level Playbook: Cloning and Epic Extractions

Cloning: Preserve That Perfect Profile

Find a specific female OG Kush x Amnesia plant with that perfect effect? Don’t let those amazing genetics go!

  1. Select & Snip: Take a healthy 4-6 inch cutting from a lower branch of a mother plant in her vegetative stage. Use a sterile razor for a clean cut.
  2. Hormone Dip: Immediately dip the cut end in a rooting hormone to inspire vigorous root growth.
  3. Plant It: Place the cutting into a moist starter cube like Rockwool.
  4. Keep It Humid: Cover your new clones with a humidity dome to keep them from wilting.
  5. A New Generation: In about two weeks, you’ll have a new plant that is a perfect genetic copy of your prized mother!

What to Do With Your Trim? Capture That Haze Essence!

A sustainable grower knows that the trim is where the flavor is. With a strain as aromatic as this, making a terpene-rich extract is the best way to honor it.

This is the perfect strain for making high-quality live resin or BHO (Butane Hash Oil). These methods capture the fresh, volatile pine and citrus terpenes that define the strain’s amazing aroma and taste. It’s the ultimate way to experience what makes this plant so special.

The Grand Finale: Harvest, Dry & Cure

You’ve made it! Get a jeweler’s loupe and look at the trichomes. For that classic, energetic Sativa high, you want to harvest when the trichomes are all cloudy, with very few (if any) amber ones.

  • The Chop: Cut your plants and trim away the large fan leaves.
  • The Slow Dry: Hang the branches in a dark room with good airflow, a temperature around 60-70°F (15-21°C), and humidity around 45-55%. This usually takes 7-14 days.
  • The Cure: This is the final step for a smooth and flavorful final product. Trim the buds and place them in airtight glass jars. “Burp” the jars daily for the first couple of weeks. A proper cure of at least 2 to 4 weeks will bring out that complex sweet and earthy flavor.
Indoor cannabis plants under LED grow lights with dense green buds and tall stems from Blimburn genetics.

Frequently Asked Questions

Is OG Kush x Amnesia a good strain for beginners? 

Honestly, it’s more of an intermediate-level strain. Its hybrid genetics mean it grows tall and has a longer flowering time, and it can be sensitive to nutrients. But if you’re an ambitious beginner ready to learn, it will innovate your skills!

What are the effects really like? Will it make me anxious? 

For most people, it’s a very “clean” and happy high. It’s known for providing energy, focus, and creativity without the racy, anxious feelings that some other strong Sativas can cause. It’s a “get things done” kind of strain.

Is the long 9-11 week flowering time really worth it? 

100% yes! That long flowering period is what allows the plant to develop its incredibly complex terpene profile and its signature clear-headed, long-lasting cerebral high. True Sativa-dominant hybrids can’t be rushed, and the quality of the final product is why they are a connoisseur’s favorite in our community.

What’s the best way to train this plant indoors? 

A SCROG (Screen of Green) net is the absolute best method. By tucking the growing branches under the screen during the vegetative stage and the first couple of weeks of flowering, you can create a wide, flat, even canopy. This turns the plant’s vertical energy into a horizontal sea of top-shelf buds.

How big will my yield be? 

If you manage its height with training and let it finish its full, long flowering cycle, OG Kush x Amnesia is a massive yielder. Those long colas really stack up, rewarding your patience with a very bountiful harvest.

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