Today we bring you the grow diary of a 3rd generation autoflowering strain. This strain is the result of the cross between an autoflowering genetic line of Critical Mass from the Sweet Seeds^® R&D Department and a selected genetic line from our fast flowering Speed Devil #2 Auto^® (SWS25).

It is a plant that will be ready to harvest in just 7 weeks from germination.

Data Sheet:

• Variety: SWS27
• Indica: 48,4%
• Sativa: 48,5%
• THC: 15-20%
• CBD: 0,7%
• Indoor Yield: 350-500 g/m²
• Outdoor Yield: 30-150 g/plant
• Indoor/Outdoor Harvest: 7 weeks from germination
• Height: 50-90 cm

Grow parameters:

• Type of growing: Indoor
• Gardener: MicroGrowery
• Technique used: LST (Low Stress Training), defoliación
• Fertilizers: Advanced Nutrients, Canna
• Number of plants: 1
• Vegetative: 3 weeks
• Flowering: 5 weeks
• 8 weeks in total from germination to harvest

Week 1 – Growing

Grow parameters:

• Light: 18 hours LED 100W
• Temperature: 20ºC
• Air humidity: 60%
• pH: 6
• Size of the pot: 11 L

Nutrients supplied:

• 0,5 ml/l CalMag
• 0,5 ml/l Canna Coco A
• 0,5 ml/l Canna Coco B
• 0,2 ml/l Canna Rhizotonic

This is my third experience since I started with this magnificent hobby of cannabis growing.

This time I’m using a new hydraulic drip feeding system.

Week 2 – Growing

Grow parameters:

• Light: 18 hours LED 100W
• Temperature: 20ºC
• Air humidity: 60%
• pH: 6
• Size of the pot: 11 L

Nutrients supplied:

• 0,5 ml/l CalMag
• 0,5 ml/l Canna Coco A
• 0,5 ml/l Canna Coco B
• 0,2 ml/l Canna Rhizotonic

I try to keep an adequate temperature inside the growing area. I’m using a ceramic heater that seems to work perfectly fine for this.

Week 3 – Growing

Grow parameters:

• Light: 18 hours LED 100W
• Temperature: 23ºC
• Air humidity: 50%
• pH: 5,7
• Size of the pot: 11 L

Nutrients supplied:

• 1 ml/l CalMag
• 1,25 ml/l Canna Coco A
• 1,25 ml/l Canna Coco B
• 0,5 ml/l Canna Rhizotonic

We are at week 3 from germination and the beginning of flowering is starting to become noticeable.

I did some defoliation to get a greater light intake so that the plant’s energy get focused in the upper branches.

Week 4 – Floración

Grow parameters:

• Light: 19 hours LED 200W
• Temperature: 23ºC
• Air humidity: 47%
• pH: 5,7
• Size of the pot: 11 L

Nutrients supplied:

• 1 ml/l CalMag
• 1,25 ml/l Canna Coco A
• 1,25 ml/l Canna Coco B
• 0,5 ml/l Canna Rhizotonic
• 1 ml/l Canna Boost Accelerator
• 1 ml/l Cannazym

We can already see some signs of flowering. The plant has about 60 cm in height and is the tallest from my growing operation.

It really is a fast plant.

Week 5 – Floración

Grow parameters:

• Light: 20 hours LED 200W
• Temperature: 23ºC
• Air humidity: 47%
• pH: 6
• Size of the pot: 11 L

Nutrients supplied:

• 1 ml/l Sensi Cal-Mag-Xtra/li>
• 1,25 ml/l Canna Coco A
• 1,25 ml/l Canna Coco B
• 0,5 ml/l Canna Rhizotonic
• 1 ml/l Canna Boost Accelerator
• 1 ml/l Cannazym

+ Speed Auto is showing great health. Controlling the pH has been very easy. It remains at 6.0.

Week 6 – Floración

Grow parameters:

• Light: 20 hours LED 200W
• Temperature: 23ºC
• Air humidity: 47%
• pH: 6
• Size of the pot: 11 L

Nutrients supplied:

• 1 ml/l Sensi Cal-Mag-Xtra/li>
• 1,25 ml/l Canna Coco A
• 1,25 ml/l Canna Coco B
• 0,5 ml/l Canna Rhizotonic
• 1 ml/l Canna Boost Accelerator
• 1 ml/l Cannazym
• 0,75 ml/l Canna PK 13/14

I think that the plant is showing a magnesium deficiency, so I used Sensi Cal-Mag xtra.

I can’t wait to see the buds getting fatter.

Week 7 – Floración

Grow parameters:

• Light: 20 hours LED 200W
• Temperature: 23ºC
• Air humidity: 50%
• pH: 5,7
• Size of the pot: 11 L

Nutrients supplied:

• 1 ml/l Sensi Cal-Mag-Xtra/li>
• 1,25 ml/l Canna Coco A
• 1,25 ml/l Canna Coco B
• 0,5 ml/l Canna Rhizotonic
• 1 ml/l Canna Boost Accelerator
• 1 ml/l Cannazym
• 0,75 ml/l Canna PK 13/14

My + Speed Auto starts to produce big buds. I have to be patient but I’m already wishing to harvest the plant so that I can smoke it.

Week 8 – Floración

Grow parameters:

• Light: 20 hours LED 200W
• Temperature: 23ºC
• Air humidity: 50%
• pH: 5,7
• Size of the pot: 11 L

Nutrients supplied:

• 1 ml/l Sensi Cal-Mag-Xtra/li>
• 1,25 ml/l Canna Coco A
• 1,25 ml/l Canna Coco B
• 0,5 ml/l Canna Rhizotonic
• 1 ml/l Canna Boost Accelerator
• 1 ml/l Cannazym
• 0,75 ml/l Canna PK 13/14

Mi + Speed Auto is really fast and it seems to go a week faster than the other plants.

I think this week I will flush the soil of my plant.

Week 9 – Cosecha

Excellent seeds. I highly recommend them to any grower looking for a fastest and more abundant yield. It is a very adequate plant for beginners.

The final results:

• Number of plants harvested: 1
• Taste: Cheese, diesel and earthy
• Dry weight: 160 grams
• Positive effects: Creative, relaxing, energetic
• Negative effects: Dry mouth