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Killer A5 Haze Feminized by Ace Seeds

Northern Lights x Malawi Killer x Haze A
(3 reviews)
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Here at Alchimia we're extremely happy to present Killer A5 Haze from ACE Seeds, without a doubt one of the finest Sativa hybrids on the market today. This powerhouse of exotic genetics combines the mythically rare A5 Haze with Killer Malawi, ACE's own highly popular and potent pure landrace variety. An absolute must-have for fans of Haze and landrace genetics, Killer A5 Haze is the complete Sativa package, offering huge yields and an extremely potent psychedelic and narcotic effect. Available now as feminised cannabis seeds in our online grow shop!

Killer A5 Haze - One of the most powerful Sativa hybrids available today

This hybrid uses A5 Haze as a mother, a very rare and sought-after elite clone that was bred and selected by one of the most influential breeders ever and founder of the world's first cannabis seed bank, Nevil Schoenmakers. Considered by Nevil to be his best Haze female, its genetics are Northern Lights #5 x Haze and, because the particular "Haze A" male used was lost before seeds could be made in quantity, the resulting A5 Haze is very rare indeed and has gained almost mythical status among Haze obsessives and Sativa lovers.

On the other side of the cross we have the flagship landrace Sativa of the ACE Seeds catalogue: Malawi Killer. Growing vigorously and capable of delivering huge yields of large, resinous colas, Malawi has been hailed as the strongest pure Sativa on the market, there's no doubt that it's for those seeking an extremely powerful and all-encompassing, psychedelic high and is definitely not for occasional smokers. The same can be said for this hybrid, which combines the best features of both these elite clones yet somehow seems to amplify and increase the potency of the effect.

Killer A5 Haze - with the biggest yields in the ACE Seeds catalogue

Killer A5 Haze is well adapted to indoor growing, where its moderate internode length, good strong secondary branching and dense flower structure mean that huge yields of top-quality buds are possible when enough light intensity is used. A vigorous-growing hybrid, ACE Seeds recommend switching the plants to a flowering photoperiod 15 days after germination to ensure they have enough room in your grow space. It is highly suitable for SOG growing where it centres the production on the central cola, or alternatively in SCROG cultivation, where it responds to pruning with exuberant horizontal branching. It can also be grown outdoors with great success in warmer climates that are hot in summer and dry in autumn as the very dense buds in some phenotypes can mean that keeping humidity low is imperative. Expect to harvest outdoor plants from late October to early November. with truly massive yields possible.

Four phenotypes can be found in Killer A5 Haze:

  1. Haze-dominant phenotype with more Colombian influence from the Haze A male, giving very large colas with woody, incense aromas and great resin coverage and flowering in 75-90 days.
  2. NL/Haze pheno that most echoes the A5 mother, with highly-resinous, rounded buds with foxtail re-flowerings, a faster bloom period and a smaller overall size, due to the Northern Lights influence, finishing after 66-80 days.
  3. Haze/Malawi balanced phenotype giving massive, dense colas covered in resin like the Malawi and with typical Haze aromas and the oily touches of Malawi, ready to harvest after 75-85 days flowering.
  4. Malawi-dominant phenotype, hugely productive and resinous, with the large trichomes and swollen bracts so typical of Malawi, giving the buds an uncannily silver appearance and finishing flowering after 75-85 days.

This is the most productive Sativa hybrid in the ACE Seeds catalogue, as well as showing the highest THC levels in laboratory analysis of any ACE variety to date.

Killer A5 Haze - up to 30% THC!

Killer A5 Haze offers aromas that are reminiscent of the classic Dutch Hazes, with rich incense dominating, against a woody and organic, rotten background and notes of liver and meat, topped off with floral hints of decomposing flower petals.

The high is extremely potent, psychedelic, long-lasting and complex, starting with trippy alterations to sensory perception, leading to laughter and hilarity before progressing to a more introspective, contemplative state and finally to a physically heavy, narcotic sensation. The potency of this variety, with up to 30% THC content, can lead to panic and/or complete physical debilitation for inexperienced smokers or those with low tolerance to THC. Consume with caution!

Specifications


Feminized Seeds check
Seed bank Ace Seeds
THC Content Extreme THC (+30%)
Indica/Sativa Genotype Sativa +90%
Flavor Haze, Woody
Effect Stimulating
Outdoor harvest Standard (Autumn)
Indoor flowering Fast (-9 weeks)
Indoor yield Very high (+600 g/m2)
Outdoor yield Very high (+1000 g/plant)
Genetics Northern Lights, Malawi Killer, Haze A

Opinions about Killer A5 Haze

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  • 5
  • 4
  • 3
  • 2
  • 1
4
3 Reviews
100%
of customers recommend it

Thomas

sehr gute Haze. Guter Ertrag, sehr starke sativa Wirkung. 1 Punkt abzug wegen des Geschmacks, der könnte besser sein. Reine Sativas sind schon immer etwas Kratzbürstig beim Rauchen aber der Turn ist die Belohnung

21-07-2025

Verified opinion

Questions and answers

David Has bought this article

Amazing psychedelic strain, I was afraid of it being hard to function on it, but I was proud to find out that it was actually more functional than being sober, at least for me, definitely amplifies the IQ level, speeds up the thought process but also gives a good mood as long as there is no drama or violent event occuring, should be done in a safe place for that matter.... Even a little amount is trippy and dreamy with time and space becoming one with the mind soul, trippy cartoony visuals and magical sounds.... Can certainly be even trippier and psychedelic at higher doses which I have yet to try.... Very beautiful magic... I'd definitely give it six stars instead of five if I could....

11-06-2024

David Has bought this article

Hello once again, would it be an issue if I had taken out my pack just to temporarily look at my seeds in their tube before putting them back and locked in the box in their pack if a short while of light came on them? Also I've noticed that they are a rather green color, if that's okay if Killer a5 Haze?

01-02-2024

avatar

Alchimia Grow Shop

Hello, it's ok and the light will not affect them ;) Best regards.

01-02-2024

David Has bought this article

Hello, how can I keep the veg time shorter and induce flowering earlier, especially if I have Bio mix and Monster Bloom?

26-01-2024

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Alchimia Grow Shop

Hello, you have to give them around 10 - 15 days then switch to flowering. Best regards.

29-01-2024

Confidential Has bought this article

Hi again, since I don't know when I'll be able to grow, how long can the seeds last in their original packaging if their in a locked box in a cupboard or shelf? Would they still germinate after half a year if putting them in the fridge is not an option? Also in case they need to be harvested earlier due to time restrains, would the trippy psychedelic effects still be present if taken at 8-9 weeks? And would decreasing the light hours and increasing the dark more rapidly or earlier help them speed up if fed correctly?

16-01-2024

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Alchimia Grow Shop

Hello, keeping cold temperatures is really better to store seeds (you can get more information here: How to store cannabis seeds?). Decreasing the light hours could help but 8-9 is really too short to get an optimal quality. Best regards!

17-01-2024

Confidential Has bought this article

Hi again, if this Killer a5 haze is harvested earlier when the trichromes are not yet Amber what would be the difference in the effects compared to if harvested later?

20-09-2023

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Alchimia Grow Shop

Hello, the best is milky trichomes. When harvested before ripening, the effects will be more light.

20-09-2023

Confidential

Do you ship to Bulgaria? And does it come in the regular Ace Seeds packaging?

20-02-2023

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Alchimia Grow Shop

Hello. Yes, we do ship to Bulgaria, these are original ACE Seeds packs. Best regards.

21-02-2023

S1lv3r

Do you ship to New Zealand by any chance??

07-01-2021

avatar

Alchimia Grow Shop

Hi and thanks for your comment. We can ship growing equipment and paraphernalia to NZ but unfortunately, we're unable to ship seeds due to the incredibly tight restrictions regarding alien seeds and invasive species. Sorry for any inconvenience. In this case, I'd suggest contacting ACE Seeds directly, they may be able to help. Best wishes and happy growing!

11-01-2021

Amir bahador

Hi I'm from Iran and i need to know how can I pay more cost for best stealth pack? I dont want insurance but i want best and special pack . Can you provide a Xbox controller and hide the seed insid it so that not visible in customs? Or do you have better idea?

03-01-2021

avatar

Alchimia Grow Shop

Hi Amir, thanks for your comment and question. I'm afraid that we are unable to ship our products to Iran, sorry for any inconvenience. In this case, I would suggest contacting the breeder ACE Seeds directly to see if they can help you out. Best wishes and happy growing!

04-01-2021

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