Here at ACE Seeds we’ve done it again with Killer A5 Haze, creating a monstrous new sativa hybrid
that has the potential to produce the most potent plants, with the highest amount of THC in our
A5 Haze is one of the rarest mothers (and probably the most powerful one) belonging to the family of
Dutch elite clones of Haze hybrids that Nevil Schoenmakers developed at the end of the 80s and that
are still preserved to this day. This Northern Lights #5/Haze A mother is characterised by its
extremely trippy and devastating potency, high production and by its incensed, organic and meaty
aromas of authentic Dutch 'Old School' Haze with a greater influence from ancient Colombian sativas.
The rarity of this A5 Haze mother is due to Nevil losing the Haze A male very early on, meaning that
seeds were never produced in commercial quantities using this Haze A male.
With Killer A5 Haze our main goal was to create a sativa dominant hybrid that would maintain (and
even exceed) the extreme potency, high vigour and high yields of the A5 mother, and we have
achieved this by hybridising her with the killer phenotypes of our powerful Malawi, with which we
have increased the THC content even further, reaching as high as 30% (the upper limit that cannabis
plants can produce). At the same time we have considerably increased resin production and trichome
size, and we have reduced the long flowering time of the A5 Haze to something more moderate (not
only indoors, but also in its faster reaction to flowering outdoors) without having to introduce indica
genetics. Despite its great sativa vigour and its very high production, Killer A5 Haze grows with a
contained and manageable size, making it our sativa dominant hybrid with the highest production per
In Killer A5 Haze we find 4 phenotypes:
- Haze dominant pheno: This phenotype is the one that shows the greatest Colombian sativa
influence from the Haze A male, producing huge and beautiful colas with an excellent flower/leaf
ratio, which mature with elegant and delicate reflowerings. Woody and incensed aromas of pure
Haze. The resin production of this pheno is good, but not as extreme as in the following 3
phenotypes. Flowering time: 75-90 days.
- NL/Haze pheno: This pheno shows a greater indica influence from the Northern Lights, and
therefore a smaller size, faster flowering and lower flower/leaf ratio. It is also the most faithful to
the characteristics of the original A5 Haze mother, producing rounded and very resinous flowers with
a silver appearance, which produces characteristic horn-shaped reflowerings at the end of flowering.
Incensed, meaty (liver) and organic (petals of decaying flowers) aromas. Flowering time: 66-80 days.
- Haze/Malawi pheno: Sativa dominant and well balanced pheno in terms of displaying characteristics
from both Haze A and Malawi parents. It produces huge, very dense colas, with an excellent
flower/leaf ratio, with the gleaming resin coverage of our Malawi. It produces slight reflowerings in
its final stages, although not as pronounced as in the first 2 phenos. Incense and woody Haze aromas,
with the oily and resinous background of Malawi. Flowering time: 75-85 days.
- Silverish Malawi pheno: Monstrous sativa phenotype with a greater Malawi influence. Incredibly high
flower to leaf ratio, very high production, with the classic huge trichomes and ovaries of our Malawi,
and with a prodigious resin production that lends it an aggressive silverish appearance when mature,
bringing the characteristics of Malawi Killer phenotypes to very extreme levels that have rarely been
reached before. Flowering time: 75-85 days.
Killer A5 Haze is one of the first joint projects between ACE Seeds and Yo Sammy, a member of the
small group of growers in South Holland who have preserved the elite clones of Nevil’s Haze hybrids
for almost 3 decades. These Dutch elite 'old school' Haze clones were the fundamental parentals in
the Netherlands of the 90s, used to develop the best Haze hybrids in History. Unfortunately, the best
sativa qualities of these legendary Haze hybrids, and their unique incense terpene profile that led
them to be globally recognised as the best sativa hybrids were diluted and brutalised (in particular
over the last 2 decades), constantly mixed with indica or skunk genetics in an attempt to shorten
their flowering time.
With these new projects, our priority will be to try to raise the bar of Sativa Haze breeding, by
crossing these old elite Dutch Haze clones with elite parentals of our most worked sativa varieties,
and also in organoleptic terms, experimenting with different types of incense profiles by hybridising
elite parents in this regard.
We’d especially like to thank Karma for rescuing the A5 Haze mother, and for offering it to us for the
development of Killer A5 Haze.
AVAILABLE IN FEMINIZED FORMAT
% SATIVA / INDICA: 80 % SATIVA / 20 % INDICA
FLOWERING INDOORS: 9-12 WEEKS
FLOWERING OUTDOORS: END OF OCTOBER / EARLY NOVEMBER
YIELD / M2: VERY HIGH
RESISTANCE AGAINST SPIDER MITES: AVERAGE – HIGH
RESISTANCE AGAINST MILDEW: HIGH
RESISTANCE AGAINST BOTRYTIS: AVERAGE
RESISTANCE AGAINST WHITE FLY: AVERAGE – HIGH
RESISTANCE AGAINST COLD: AVERAGE – HIGH
RESISTANCE AGAINST HEAT: HIGH
THC: 23-30 %
CBG: 0.3 %
It mainly contains the following monoterpenes: high amounts of beta myrcene and
smaller amounts of limonene. Sesquiterpenes: Only beta caryophyllene.
A5 Haze by Nevil (Northern Lights #5/HazeA) x Malawi Killer.
Excellent vigour. Branched sativa structure with medium internode distance, of a
contained and manageable size and stretch.
Dutch old school dark incensed Haze aroma, meaty (liver), with a strong organic/rotten
background, with final touches of decomposing flower petals, resin and cured wood.
Extraordinarily powerful, complex, profound and long lasting. Psychedelic beginning that
completely changes visual, auditory and tactile perception, catapulting the psyche to new
dimensions where there seems to be no tangible reality. As the effect develops, it produces an
uncontrollable hilarity, later becoming more introspective and physical, producing strong dissociation
of mind and body, and a strong final narcosis similar to opiates. Recommended only for the most
intrepid and experienced psychonauts. It can cause panic and/or complete physical debilitation to
users with low tolerance or without experience with strong sativas of this caliber. Nothing will be
ever the same after trying Killer A5 Haze.
Indoors, outstanding results can be achieved in terms of quality and production with a correct and
abundant feeding and strong light intensity.
Very suitable for SOG crops due to its great yield in the main cola, or for SCROG, horizontal or
network growing due to its excellent yield in the lateral branches and its vigorous reaction to
Outdoors, it can be cultivated up to 43º latitude, although it is a variety that works best in climates
with hot summers and warm, dry autumn weather, due to the density and size that its flowers can
reach. We recommend high levels of nutrients for the whole cycle.
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