- New
100 day satisfaction guarantee
Discreet delivery worldwide
Critical Haze regular seeds by Mr. Nice Seeds are the ultimate hybrid for growers seeking massive yields without sacrificing elite flavor, combining the heavy-hitting Critical Mass with the legendary Afghan Haze.
Are you tired of juggling multiple strains in your grow tent just to get a decent mix of yield, potency, and flavor? Growing a "salad" of different genetics often means dealing with a chaotic canopy, conflicting nutrient schedules, and plants that finish weeks apart, turning what should be a relaxing hobby into a stressful chore.
When you have a tall Haze stretching into the lights right next to a short, hungry Indica, nobody wins. You end up compromising on feeding, risking nutrient burn on the sensitive plants while starving the heavy feeders. The result? A messy harvest where nothing reaches its true potential, and you're left exhausted from mixing different nutrient batches every single day.
Enter Critical Haze. This masterpiece from Shantibaba and Nevil is the key to simplifying your grow room. By merging the commercial-scale production of Critical Mass with the connoisseur-grade high of Afghan Haze, this regular strain gives you everything you need in one robust genetic package. You can finally reduce your seed library, streamline your feeding schedule, and still harvest top-tier, medicinal-grade buds.
Critical Haze replaces the need to run separate crops for quantity and quality. Thanks to its 25% Skunk, 25% Haze, and 50% Afghan heritage, it groups the best traits of the cannabis world into a single, vigorous plant. You get the fruity, mouth-watering terpenes and explosive bud structure of Critical Mass, perfectly balanced by the soaring, cerebral effects and complex aromas of Afghan Haze.
It’s a medium-difficulty strain that rewards patience with commercial-sized harvests of true connoisseur quality. Instead of managing a dozen different needs, you can focus all your energy on perfecting the environment for this one incredible hybrid.
Running a uniform crop of Critical Haze allows you to eliminate the headaches of a mixed-strain garden.
Quick overview: Regular photoperiod by Mr. Nice Seeds, flowering in 8–12 weeks, ideal for Mediterranean climates.
Safe start: Germinate at 22–25 °C and plant in a light substrate like BioBizz Light Mix.
Directed growth: Run an 18/6 light cycle and train early to manage the vigorous Haze stretch.
Efficient flowering: Switch to 12/12 and keep RH around 40–50% to protect dense buds from mold.
Harvest and refinement: Flush 10 days prior and dry slowly to preserve the complex fruity terpene profile.
Absolutely. By combining the commercial yields of Critical Mass with the top-tier potency and flavor of Afghan Haze, it covers both the quantity and quality aspects that growers usually seek from multiple different plants.
If you still want variety, pair it with a pure, fast-flowering Indica. Critical Haze will provide your balanced, cerebral stash, while a pure Indica can serve as your heavy nighttime option without complicating the canopy too much.
Since they are regular seeds, start by popping the whole pack. Weed out the males, and take clones of the females. Once you identify the phenotype that best fits your desired flowering time (8 to 12 weeks), keep her as your sole mother plant to streamline all future runs.
I used to be that guy with six different strains in a single tent, driving myself crazy trying to keep them all happy. When I finally decided to simplify my life, I popped a pack of Critical Haze by Mr. Nice Seeds. It was an absolute game-changer. I found a beautiful phenotype that finished in about 9 weeks, yielding like an absolute monster but smelling like a spicy, fruity Haze dream.
Having this strain as the centerpiece of my setup allowed me to dial in my nutrients perfectly and stop worrying about uneven canopies. My advice? Don't fall back into the trap of buying a new strain every week just for the sake of it. Find a killer mother from these regular seeds, perfect her environment, and enjoy the peace of mind that comes with a truly streamlined, high-yielding crop.
Yes, the shipment is 100% discreet, no one will know what you have bought, also the sender is SITE OF SHOPS ONLINE.
Yes, we ship to almost every country in the world although you need to know the current legislation in your country to make sure that you do not break any regulations with the germination of the seeds.
UK: 3-4 days (express)
USA: 4-5 days (express)
Australia: 4-5 days (express)
Japan: 4-5 days (express)
Canada: 4-5 days (express)
South Africa: 4-5 days (express)
New Zealand: 5-7 days (express)
View all
The customer must be informed about the laws of their country regarding seeds or other products that may be
purchased on our website, the possession of which may constitute a criminal offence in the country of
receipt.
We cannot be made responsible for the wrong use that some people decide to give to the seeds, so please don't act against your national laws.
Due to problems with customs you can check here for restrictions to certain countries.
We accept the following payment methods: Bank transfer, Cryptocurrencies, cash, credit and debit cards and cash on delivery (Spain, Belgium, France, Italy, Portugal).
You can change the currency on the top right to know the price of the products in your local currency and of course pay this way.
In 24/48 hours we will ship your order.
If you live in a country where the cultivation of cannabis is legal and you decide to plant the seeds, it is good that you know that all the seeds that we commercialize have germination guarantee.
If you germinate with the method of paper napkins and you have followed all the steps that we indicate here, you will only have to return us the seeds not germinated in their original packaging and when we receive them we will proceed to the change.
Then we take care of requesting the return to the seed bank, we do not transfer this responsibility and time to our customers.
If you receive a broken product due to transport, you have to notify us within 24 hours for insurance coverage, always contact us as soon as possible and we will fix the problem!
Among all those who comment or send us your questions, there will be a monthly raffle for a €50 voucher for your purchases at Pevgrow. What are you waiting for? Write us and participate!