Critical+ 2.0 Auto-flowering Review

In-depth review of the strains seeds and plants

The Critical 2.0 AutoFlowering strain of Marijuana is Dinafem’s cross between the infamous Critical+ and the Critical+ Auto-flowering strains. This resulted in a hybrid strain of cannabis with an indica dominance. Rigorous, pretty easy to grow and with a short but productive flowering cycle this seems like a nice little plant to grow indoors, whether you’re a beginner or advanced grower.

Here’s a little picture of 2 of our own plants in the early flowering stage:

As you can see we actually decided to grow this strain within our first batch of auto-flowering seeds which is why we decided to do a guide on this strain.

Here’s what we’re going to go over in this guide on the Critical+ 2.0 Auto-flowering strain:

Let’s get into it

Origin and History of Critical+ 2.0 Auto-flowering Strain of Marijuana

As we started saying in the introduction of this pice, C+ 2.0 Auto is a cross between the Dinafem Seeds’s Critical+ and the Critical+ Auto-flowering strains of weed which resulted in an hybrid, indica dominance, cannabis strain of good quality (on paper, we’ll let you know what we personally think once that time has come).

This version is the improve strain of its ancestor Critical+ Autoflo, Dinafem’s effort concentrated in improving the yield, resistance to external factors (environment, nutrient deficiencies, ..) and height control. These efforts seem to have shown their fruits since, personally, these are the most resistant plants in the bunch.

Official presentation of Dinafem’s Critical+ 2.0 Auto Seeds

Dinafem generally presents their plants through video and they didn’t miss out for this strain either. Here’s the 3 presentation video’s

Characteristics of Critical+ 2.0 Auto-flowering Marijuana seeds

Here’s a quick table sum up of this strains Characteristics

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Growing location Indoors and outdoors – As long as the temperature stays above 16°C
Sex Feminized autoflowering
Genotype dominance Indica-dominant
Cross Critical+ Auto  x  Critical+
Total life cycle 70-80 days
Outdoor harvest time April-October
Indoor yield 50-250 g/plant
Outdoor yield 100-300 g/plant
Outdoor height 60-130 cm
THC High
Grower difficulty Easy to grow with resistance to environment changes as well as nutrient deficiencies, good for all levels
Clonability Being an Auto-Flowering plant the window for this is very short. Not recommanded
Taste and Aroma Deep flavour and aroma with hits of lemon.
Effects and high
  • Powerfull
  • Long lasting
  • Relaxing
  • Perfect to unwind
Climat resistance Resists well to climate change keeping yields high – Perfect for new growers.
Potency of odour During the flowering stage this plant smells very strong, we recommend the use of a air filter as well as cover-ups.
Bud Location Mainly on the Apex, although its side ramifications can also produce large buds when well stressed
Plant Size This is an aspect Dinafem worked on. Compared to Critical+, Critical+ 2.0 Auto-flowering will grow short and bushy, enabling its culture in small indoor or outdoor spaces.

Is Critical+ 2.0 Auto Flowering easy to grow?

In short yes! Dinafem Seeds increased the resistance to heat and nutrient deficiencies, as well as the previous issues with height control, making Critical+ 2.0 Auto-Flowering Seeds a perfect strain to start with if you’re an newbie at indoor growing!

For more advanced growers this strain can also be fun, with the right amounts of stress you’ll be able to grow small, compact but massive plants in a short period in time thanks to its short lifecycle, making this plant a perfect strain to keep around in your arsenal!
You’ll be able to increase your yearly yields nicely.

Does Critical+ 2.0 Auto grow indoor?

With no problem at all! It’s actually more of an indoor strain of cannabis than an outdoor one, although it will strive outdoors also.
Thanks to the improvements made, this strain will resist and grow nice buds in any environment, making it a perfect strain if you have heat issues within your grow room.

Does Critical+ 2.0 Auto grow outdoor?

If you’re an outdoor grower this plant can be grown year round as long as the outdoor temperatures are globally above 16°C. Dinafem advances that this strain will strive even it the harshest weather, but I double that a sprout of this plant will grow in temperatures below 15°C; and even if they do, so much energy will be spent on survival that the buds won’t be all that.

Price of Critical+ 2.0 Autoflowering seeds

Number of seeds Price in Euro
1 Seed 11.00€
3 Seeds 25.00€
5 Seeds 40.00€
10 Seeds 80.00€
25 Seeds 180.00€

In order to buy them you can go straight to the source, on Dinafem’s site, here’s the page.
As you can see from the chart above they have different price ranges, depending on how many you get at a time.

They’ll also do promotions from time to time with 2 for 1 offers, and generally they’ll always give you a free seed (I think as long as you order 7 bucks worth)

Critical 2.0 Autoflowering review

We’re still currently growing this strain so this section will evolve with time but here’s what we’ve got so far

  • Resists well to environment changes: In our grow room we’re constantly fighting heat issues and between the Critical 2.0 and the Fruit strain this one show much less signs of heat stressing.
  • Good resistance to nutrient deficiency: All our fruit plants have had nutrient issues, whether its nitrogen deficiency or nutrient burn.
    The Critical has been very stable on that aspect.
  • Low resistance to light burn: She showed some pretty severe issues with light burn, even when the light isn’t that close (I aways keep it at least 20cm away when using the 400W lighting)
  • Quick to flower: In less than 3 weeks she had started stretching. Mainly due to errors on our side though. We’ve covered that subject fully in our auto flowering guide if you want to know more.
  • Manageable height: As long as the plant has space the stretch isn’t too strong, making the overall height of the plant pretty small which is perfect for indoor growers

Check out our grow journal below to see the differences between her and our Fruit auto plants, or go straight to our critical 2.0 autoflowering picture gallery

Go to our Critical+ 2.0 Auto Full Grow Report

Check out our Critical Auto grow journal

So as we’ve mentioned earlier we’ve personally been growing this strain of marijuana. We’ve been giving regular updates on our blog, if you want to know more here are the most recent articles: