

Critical Haze Regular 15 seeds
Critical Haze Regular – Critical Mass × Afghan Haze
What is Critical Haze? Critical Haze by Mr. Nice is a regular, photoperiod and Sativa-dominant hybrid of Critical Mass × Afghan Haze, bred by Nevil and Shantibaba. Depending on the phenotype, it flowers for 8 to 12 weeks and, according to the manufacturer, yields 450 to 650 g/m²; it gives the THC content only as high. Fruity, spicy Haze aromas and a clear, activating effect are typical. The seeds grow into male and female plants. Because of the sometimes long flowering time and the very high yield, it is a strain for experienced growers – in the regular seeds category. Available in a pack of 15 seeds.
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Manufacturer Information
Genetics & Origin of Critical Haze
Critical Haze combines Critical Mass with Afghan Haze. According to Mr. Nice, the breeders Nevil and Shantibaba are behind the cross. The strain belongs to a limited F1 series with a Haze share of 25% – intended for growers who want to gain practical experience with Haze, with a limited Haze flowering time and a realistic growing period. The manufacturer lists it as a Sativa-dominant hybrid; it does not state an exact ratio or a THC value in per cent, and gives the potency as high. The seeds are regular and photoperiod: male and female plants are produced, and flowering only begins after the switch to 12/12. This makes the line interesting for selection and your own breeding work. Another regular Haze cross from Mr. Nice is G13 Haze Regular.
Who Is Critical Haze For?
Critical Haze is aimed at growers with experience and patience. It suits:
- Experienced growers who can plan for phenotypes with 8 to 12 weeks of flowering
- Selectors looking for a high-yielding mother plant from regular seeds
- Greenhouse gardeners, for whom the manufacturer cites particularly high yields
- Lovers of fruity, spicy Haze aromas
- Consumers who prefer a clear, activating effect during the day
It is less suitable for a first grow and for anyone who wants only female plants without any selection work. You can find more regular Sativa lines under regular Sativa strains.
Growing Critical Haze: Indoor & Outdoor
Indoor Growing
Under artificial light, Critical Haze flowers for 8 to 12 weeks depending on the phenotype; Mr. Nice states 450 to 650 g/m². The manufacturer recommends the strain to growers with experience, and because of the long flowering time of individual phenotypes and the very high yield potential, we too rate it that way. Feeding is important: according to the breeder, Critical Haze needs fewer nutrients than Critical Mass, and you should avoid overfeeding. The manufacturer gives no height figures. As these are regular seeds, you germinate more seeds than planned and remove male plants in pre-flowering, unless you want to breed. It is best to support heavy flower clusters in good time. You will find the basics in the Growpedia.
Outdoor Growing
For open ground and greenhouse, Mr. Nice gives early to mid-October as harvest time in the northern hemisphere, and mid to late March in the southern hemisphere. The manufacturer describes the yield as very high, especially under ideal conditions in the greenhouse; it does not give a figure per plant. In open ground, a sunny, sheltered spot is the more reliable choice. You can find more strains for outdoors under regular outdoor seeds. Only grow where it is legal to do so.
Effect, Aroma & Flavour of Critical Haze
Mr. Nice describes the scent as fruity and spicy with sweetish notes, and the flavour as typical of Haze with a fruity touch, complex and long-lasting. According to the manufacturer, the sweetness of Critical Mass and the spice of Afghan Haze combine in it. The manufacturer does not give a lab terpene profile. It gives the effect as clear, activating and fruity-euphoric – suitable for the daytime and for creative activities. Mr. Nice merely describes the THC content as high; a percentage is missing, which is why we do not state one. In its conclusion, the manufacturer sums the strain up as a hybrid with fruity aromas, clear effects and above-average yields. How intense the effect is depends on dose and individual tolerance.
Note: Effect information is based on manufacturer data and user experience and does not constitute medical advice.
Why Buy Critical Haze Regular at United Seedbanks?
United Seedbanks is not an anonymous mail-order seller but a specialist shop for cannabis seeds. You get Critical Haze Regular from us as original seed stock from Mr. Nice – with honest strain data instead of advertising promises.
- Original seeds from Mr. Nice – Critical Haze as a regular pack of 15 from the breeding work of Nevil and Shantibaba.
- Personal expert advice – we know our range and help you choose the right strain and pack size.
- Discreet shipping – neutrally packed, free shipping from €100.
- Secure payment of your choice – credit card, bank transfer or Bitcoin.
- Verified quality – carefully stored seeds for reliable germination.
This gives you Critical Haze Regular with expertise, discretion and dependable service from a single source. The breeder's full range is available on the Mr. Nice page.
Frequently Asked Questions about Critical Haze Regular
Is Critical Haze feminised?
No. Critical Haze by Mr. Nice is regular seed and produces male and female plants.
Is Critical Haze suitable for beginners?
Not really. Mr. Nice itself aims the strain at experienced growers, and because of the flowering time of up to 12 weeks for individual phenotypes and the very high yield, we too rate it as a strain for experienced growers.
How long does Critical Haze flower?
8 to 12 weeks depending on the phenotype. Outdoors or in the greenhouse, harvest falls in early to mid-October in the northern hemisphere.
What yield does Critical Haze deliver?
Indoors, the manufacturer states 450 to 650 g/m². For outdoors and the greenhouse, it speaks of very high yields without giving a figure per plant.
How much Haze is in Critical Haze?
According to Mr. Nice, 25%. The strain is part of a limited F1 series of Critical Mass × Afghan Haze.