Sensi Amnesia Automatic Grow Report (Indoor)

Flowering Stage: 61 days

Total time, seed to harvest: 84 days

Final yield: 134 grams

THC content: 15.5%

Sensi Amnesia Automatic is an exclusive cultivar found only through Sensi Seeds. It is popular not only because of its genetic lineage, but the flavour profile and effects make this a standout strain. Sensi Amnesia was created using Jamaican Pearl, Afghani #1, and Hawaiian Indica. Effects from the female flowers often recreate the favourable effects of sativas, while the indica lineage breaks through, for a relaxing experience.

As an automatic strain, Sensi Amnesia was made for growers that needed a plant that was quick to finish the seed-to-harvest process. Indoors, this plant thrives. Outdoors, due to the automatic trait, Sensi Amnesia automatic can be grown in cooler climates and those that experience heavy rains later in the traditional growing season. Also, being a feminized plant, growers don’t need to worry about culling the males. Plant the seed, give it a little love, and soon enough, gardeners will have buds to harvest.

Germination & seedling

We have used many methods to germinate seeds in the past; paper towel, a cup of water, directly in the soil, and as we did on this grow, pre-moistened propagation cubes. Within a couple of days of placing our seeds in the jiffy cube, we saw our Sensi Amnesia emerging from the medium. These two days of waiting allowed us to prepare our room for the upcoming grow cycle.

The 1000w Green Power Phillips HPS lights were ideal for covering our growing area. Our HPS lamp/hood combination was fixed, 300 cm above the floor. This allowed our plants to grow upward to the light and kept the high-intensity light far away from the sensitive seedlings. Once the seeds had germinated and showed roots from the jiffy cubes, we moved them into 1-litre containers filled with BAC Lava mix soil.

The grow space was large enough that we used multiple fans to circulate the air within the cultivation area. We positioned numerous fans slightly above the canopy, and others were placed on the opposite side, underneath the canopy, to prevent pockets of stale, moist air. In addition, we used exhaust fans to remove and exchange the air. The air inside was extracted through a carbon filter, which can help remove pungent odours during flowering.

Environmental aspects such as temperature and humidity are essential to maintain within particular parameters during various stages of growth. Our environment tends to be more humid than dry, so we equipped ourselves with a dehumidifier instead of a humidifier. Our exhaust fan helps control temperature by extracting hot air and bringing in fresh air.

In the initial growth stages of our Sensi Amnesia Automatic, the humidity was kept at an elevated level of 65%. The light schedule in the garden was less relevant because of the automatic trait, but we programmed our timer for 18 hours of light and 6 hours of darkness each day. We kept this same light schedule for the duration of the grow diary.

The temperature of the grow room is an equally important factor to maintain. Often, there will be a fluctuation of both temperature and humidity when the lights go off. A prepared gardener will anticipate these changes and install the correct environmental controls to keep balance. Our grow room temperature with the lights on was held at 23 °C, and with the lights off, the temperature was maintained at 21 °C. These temperatures were consistent for the entire growing cycle.

Vegetation

The first week our Sensi Amnesia Automatic was above ground, we began with our IPM program. Treatments in the garden consisted of hanging sachets of Hypoaspis Miles around the base of the seedling. These beneficial predatory insects are helpful in the fight against fungus gnats and thrip pupae.

Another beneficial practice in the garden is turning the plants a quarter turn each day. This strengthens the main stem by causing the plant top to reposition itself closer to the light. Using the fans created a gentle breeze around our seedlings which will help strengthen cell walls within the stem and branches.

When it was time to place the jiffy cube into the 1-litre container, we gave the plant 100 ml of water directly around the cube. A diluted nutrient solution using Bio grow nutrients was added to the water. The combined EC of our solution was 1.3, and our water was pH balanced to 6.2.

In week two, our Sensi Amnesia Automatic quickly took off with vertical growth and to support stress-free growth; we transplanted it into a larger, 3-litre container. The volume of the water solution remained the same at 100 ml, and we continued to pour the solution directly on and around the base of the stem. As the roots matured, we increased the EC of our water solution to 1.5.

From the soil to the top leaf, our seedling measured 7 cm. Already she had two nodes, and the first set of five-fingered leaves were beginning to unfold. At the lowest node, we could see the side branches starting to develop.

The vertical height had doubled to 14 cm by week three. Although our cultivar has not had any pest issues, we proactively released two new types of beneficial insects into our garden. Amblyseius Cucumeris were released to reduce any thrip larvae that may exist undetected. Amblyseius Californicus was used to hunt and eat any two-spotted spider mites potentially lurking around.

Having the fan blow a gentle but steady breeze over the young seedling helped build strength in the main stalk, which supports all of the growth. Side branches from the second node had almost caught up to the main top. Our Sensi Amnesia Automatic had twice as many nodes as the week before, putting out five-fingered leaves at every node.

Watering amounts remained at 100 ml, but again the EC was increased to 1.6. The plant’s colour was consistent from the lower leaves to the top and was a lighter, neon green colour.

During week four, we transplanted our Sensi Amnesia Automatic into the final 5-litre container and began increasing the volume of the solution. We started the week at 150 ml and gradually increased the amount until we reached 500 ml by the week’s end. Our solution had an EC of 1.6 and a pH of 6.2.

It had been a few weeks since we released Hypoaspis Miles to combat any potential fungus gnat and thrip pupae. We opened another sachet and set that on the soil in the container. Internodal space on the plant had increased, allowing each side branch enough space to grow outward. The morphology of our Sensi Amnesia Automatic helped capture direct light without competition from branches immediately above it.

It had been approximately three weeks since our seeds sprouted, and this was the week when we detected the first signs of stigmas. This is an indicator that not only is this plant female, as predicted, but that this plant was beginning its flowering period.

Normally growers would need to change their photoperiod light schedule to trigger flowering. However, automatic seeds like these do not need the grower to do anything; they will begin flowering independently, and there is no need to change the light schedule in your garden.

Flowering

Because we have been feeding salt-based nutrients from the beginning, it is great to occasionally flush out the soil using plain water. So at the beginning of week five, we watered with a pH of 6.2 until the excess water was draining into the drip tray below.

On the first day of the week, we gave our Sensi Amnesia Automatic a flush and then resumed with regular feedings of 500 ml solution with an EC of 1.7 for the remainder of the week. Important to note, we switched from the Bio grow formula to the Bio flower formula.

We could tell our Sensi Amnesia Automatic was in the stretch phase of transitioning into flower. Our plant grew 19 cm taller from the week before. As growers enter the flowering stage in the garden, it is common to lower the humidity levels. This step reduces trapped moisture within the canopy and around the buds. Mouldy buds are no good to anyone. We reduced the RH to 60%. 

Week six had the most significant growth, and our Sensi Amnesia Automatic grew from 50 cm to 81 cm. We continued feeding 500 ml of solution but adjusted the EC higher to 1.8. Leaves were thin, with jagged edges, indicative of its dominant sativa genetics and were now showing a darker green hue than earlier in the vegetation stage.

We returned to our IPM regiment in week seven by hanging more sachets of Amblyseius Cucumeris and Amblyseius Californicus on the lateral branches. These two organic forms of pest control are proactive against thrip larvae and two-spotted spider mites.

We were still seeing gains in vertical growth, with 21 cm more height than was measured the previous week. As we looked at the structure, the buds were beginning to form and stack up, indicating that the plant was shifting from that stretch phase into heavy bud production. The apical meristem was forming an aesthetically pleasing main cola.

The scent from our Sensi Amnesia Automatic began to be more present as we moved into week eight. Lingering in the air were hints of pineapple, citrus, and exotic tropical fruits. Once again, we began our week with a soil flush using pure water, and then we resumed normal nutrient levels in the solution for the remainder of the week.

Automatic varieties generally do not take more than twelve or thirteen weeks total, and we knew we were close to the end, but one more round of Hypoaspis Miles were released. Insect pressure hadn’t been a problem throughout the grow cycle and could be related to our proactive approach to releasing predator insects.

We made a few changes throughout week nine as the flowers on our Sensi Amnesia Automatic continued to add girth and rapid bud formation. To reduce the potential of mould forming on the buds, we reduced the humidity to 58%. To support the strong growth, we increased the volume of our feeding solution to 700 ml per day. Vertical growth had dramatically slowed, and the plant measured 109 cm, only 3 cm more than the week before.

It had been two weeks since our last flush, so we began week ten by flushing the soil with pure water. We still felt the Sensi Amnesia Automatic had a few more weeks to reach maturity, so we resumed regular feeding as the week progressed.

Humidity was again adjusted; this time, RH was reduced to 52%. The tips of each branch were now covered with chunky, tree-shaped flowers. The buds were a vibrant green, with a mixture of white and brown stigmas sticking out from the bracts. Trichomes had begun filling any free space on the buds and sugar leaves around them. Our Sensi Amnesia Automatic looked green, vigorous, and healthy.

Throughout the start of week eleven, and even more of the stigmas had now turned brown. This visual indicator told us that it was time to inspect the trichome colour to determine peak ripeness but more immediate when to begin our final flush. We saw only a few amber trichome heads on the buds. We mainly saw milky heads, with around 20% of the heads still clear, and the decision to feed for one more week was made.

Week twelve arrived, and upon inspection, we saw a more significant number of amber heads than the week before, and the desired ratio of trichome colours was nearly achieved. We stopped using Bio flower nutrients and flushed the soil using pure water at a pH of 6.2 for the remainder of the grow cycle.

Over the course of the grow, our Sensi Amnesia Automatic remained a lush green colour. There was no purpling of the stems or the leaves and flowers, but the range of greens expressed was breath-taking. Our plant had made it through healthy and without any pest pressure. This had been an enjoyable and successful grow, but we were a little sad that this cycle was ending.  

By the end of week thirteen, we saw the desired ratio of 10% transparent, 80% milky, and 10% amber trichome head colours. This was our visual indicator of peak ripeness, we inspected buds from all levels of the plant, and the decision was made to harvest.

The tips of the upper buds each had a final growth spurt, which looked like little stacks emerging from the main flowers. This new, late growth still had white stigmas, which is why stigma colour is not the best way to determine the peak ripeness of a plant. There was a slight fade in the leaves, which was a good indicator that the final two weeks of flushing had reduced the amount of available food in the medium.

Harvest

Growing the plant well is only half of the skill; drying and curing the cannabis is an equally important task. Before we physically cut our Sensi Amnesia Automatic down, we removed the large fan leaves from the plant. These large leaves retain unwanted moisture and serve no benefit to us in our humid environment. Once we had completed that task, we cut the plant and brought it to our drying area.

Environmental controls are essential to perfecting a dry and cure. We maintained our humidity at 60% and kept the temperatures between 18 °C to 20 °C. A light breeze circled inside the drying area. It’s essential to maintain good airflow, but equally important not to blow the fan directly on the drying plants. Direct air on the plant can dry it too quickly, which imparts an undesirable taste and smell.

Our plant was hung upside down in the dark drying room for 21 days. Within that window, we inspected the stems to see if they would snap when bent. Once the small branches cracked and didn’t fold, we determined they were ready to be prepared for the curing jars. Buds were elongated but dense, and a thick layer of trichomes carpeted them.

We trimmed the extra leaves from the buds before placing them in the jars. As we trimmed, we made an extra effort never to touch the buds themselves. Instead, we held them by the smaller stems and spun our dried flowers around to trim them. Touching the buds with your hands can damage the fragile trichome heads that store all desired cannabinoids and terpenes.

The aromas coming from our Sensi Amnesia Automatic had steadily grown during the drying process, and we expected it to get bolder during the cure. On the first day in the jar, we left the lids off, which allowed extra moisture to escape the buds. For the following two weeks, we opened the jars several times a day and left the lids off for an hour at a time.

We continued to cure our flowers in glass jars for another four weeks. During this stage, we only opened the jar for around an hour once daily. As predicted, the scent grew stronger each day as the moisture content was reduced slowly. Jars containing larger buds required opening slightly more than the rest, due to excess moisture in the centre of larger buds.

After six weeks of curing in jars, the bountiful harvest was weighed before sending a sample to the lab for cannabinoid testing. After 84 days from seed to harvest, our Sensi Amnesia Automatic produced 134 grams of dried flower. Laboratory results calculated the total amount of THC at 15.5%. The smell was to die for.

Terpene profile

Beginning around the middle of the flowering stage, our Sensi Amnesia Automatic began emitting a pleasing aroma, and this aromatic bouquet grew stronger every day. Dominant in terpinolene, myrcene, and caryophyllene, these terpenes combine to produce a scent, unlike the individual components.

As the flowers grew on the plant, we detected a tropical, citrus scent from the Sensi Amnesia Automatic. As the plant dried, sweet and fruity notes filled the air. Once the buds had cured in the jars, opening them produced a scent reminiscent of passion fruit or grapefruit. It was sweet and sharp, with a hint of guava.

The majority of those attributes relayed themselves into the flavour of our Sensi Amnesia Automatic. It had elements of citrus, grapefruit, tropical fruits, and freshness, but it also had an earthy taste mixed in. Myrcene is found in mangos, but it is also known to impart an earthy profile, and it is one of the dominant terpenes in our Sensi Amnesia Automatic.

Effects were intensely uplifting and euphoric. A gentle wave of energy resonated in our consciousness, and we felt both focused and relaxed. The plant morphology and overall effects represented the 50% sativa, 20% indica, and 30% ruderalis genetics. Effects were similar to haze varieties, but with a backend, relaxation brought to the forefront by the indica influence.

The outcome

Sensi Amnesia Automatic was a quick finishing strain. 84 days from seed to harvest, this opens up many more opportunities to put this plant in an outdoor garden. Even in places with colder temperatures or shorter seasons, this would be an excellent choice to add to the outdoor garden. She does phenomenal indoors as well.

This profile was unique, a tropical treat that packed a punch. Sensi Amnesia Automatic stood out as something we kept going back to time and time again. We were pleased with the yield, and the job of trimming took minimal time. The only problem is that we ran out of it too soon, but there’s no doubt we will be growing more of this delectable cultivar in the near future.

For many new, old, and experienced growers, Sensi Amnesia Automatic made the cultivation process easy. No light schedules to change, no need to sex the plant and no special training was needed. We already knew it would be a female, which meant no wasted space in the garden.

This is absolutely one strain to recommend to other gardening enthusiasts. We harvested 134 grams of dried flowers that were laboratory tested with a THC level of 15.5%.

Have you grown Sensi Amnesia (available in automatic and feminized versions) in your garden? We would love to hear about your experience with this plant, whether in the garden or the coffeeshop. Now that you’ve read our personal experience, what is yours? Please let us know in the comments section.

If you’ve enjoyed this grow diary or any of our other grow journals, stay tuned to the Sensi Seeds blog for continued in-depth grow reports on some of the world’s top strains. Happy gardening!

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