REVIEWS.io
4.5 Based on 17,099 reviews
Seeds sold on the Seedsman.com website contain no more than 0.3% THC Delta-9. In the U.S., cultivating marijuana is a federal offense and also illegal in many U.S. states. In the U.S. states where marijuana is legal to grow, it may be illegal to import cannabis seeds. Read our full legal disclaimer here.
Offline mode
Killer A5 Haze Feminized Seeds-ACEKA5HFEM
img
Killer A5 Haze Feminized Seeds-ACEKA5HFEMKiller A5 Haze Feminized Seeds-ACEKA5HFEM
Killer A5 Haze Feminized Seeds
Seeds

Killer A5 Haze Feminized Seeds

3.8Based on45 reviews
SKU: ACEKA5HFEM
High-yielding sativa-dominant strain with very big yields and very high levels of THC. Disorienting, psychedelic high. Not for the novice smoker!

A collab built on mutant genetics...
Introducing Freaky Ryder Auto

Grow Today
Choose your pack
  • Out of stock
  • Orders sent from the US
  • Tracked discreet delivery

Flowering Type

Photoperiod

Parental lines

A5 Haze x Killer Malawi

THC content

High THC (16-24%)

CBD content

Low CBD (0-1%)

Autoflowering seed to harvest time
Information not available
Yield indoor
Information not available
Plant size
Information not available

Suitable climates

Humid, Warm

Got a question about this strain? Ask growers in the Seedsman Community.

Ask the Community ➜
From the breeder
High-yielding sativa-dominant strain with very big yields and very high levels of THC. Disorienting, psychedelic high. Not for the novice smoker!
Ace Seeds breeder notes
Parental lines
A5 HazeKiller Malawi
High-yielding sativa-dominant strain with very big yields and very high levels of THC. Disorienting, psychedelic high. Not for the novice smoker!

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 phen-otypes 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 m2.

Brand/breeder
Parental lines
A5 Haze x Killer Malawi
Flowering type
Photoperiod
Sex
Feminised
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Suitable climates
Humid, Warm
SKU
ACEKA5HFEM

Photoperiod outdoor timeline

Photoperiod strains rely on seasonal daylight changes, so harvest timing is closely tied to your local climate.

Stage 1
Germination / Early Start
March – April
Wait for: frost risk easing, stronger spring light
Watch for: cold snaps, slow starts, excess moisture
Stage 2
Seedling / Transplant
April – May
Wait for: milder nights and settled weather
Watch for: transplant shock, wind exposure, pests
Stage 3
Vegetative Growth
June – July
Wait for: long days, regular feeding, healthy expansion
Watch for: overcrowding, nutrient issues, insect damage
Stage 4
Flowering
August – September
Wait for: shortening days, dry airflow, branch support
Watch for: mould, botrytis, high humidity, bad weather
Stage 5
Harvest
Late September – October
Wait for: ripe trichomes, dense finished flowers
Watch for: autumn rain, rot, early frosts
Photoperiod strains rely on seasonal daylight changes, so harvest timing is closely tied to your local climate.

Indoor photoperiod timeline

Photoperiod strains give indoor growers more control over size, shape, and when flowering begins.

Week 0
Germination
Strong early establishment
Wait for: strong early establishment
Watch for: inconsistent starts, excess moisture
Week 1–2
Seedling
Stable structure and healthy growth
Wait for: stable structure and healthy growth
Watch for: stretch, early stress
Week 3–6+
Vegetative Growth
Desired plant size and canopy shape
Wait for: desired plant size and canopy shape
Watch for: overcrowding, uneven growth, training stress
7–12+ weeks
Flowering Phase
Strong flower formation and steady development
Wait for: strong flower formation and steady development
Watch for: humidity, airflow, support issues
Harvest
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: cutting too early or pushing too long
Based on 45 reviews
Summary
Seed Quality
Plant Resilience
Growth Rate
Customer Service
Customers report strong germination rates and vigorous plant growth with excellent heat tolerance and adaptability to indoor hydro systems, delivering high yields with potent effects and improved flowering times. Some users note minor phenotypic variation and caution that the intense effects may challenge inexperienced growers. Overall, customers express satisfaction with seed quality and reliable plant performance.
Language
English
German
French
Spanish
Dutch
Italian
Polish
Portuguese
Swedish
Norwegian
Danish
Finnish
Hungarian
Slovak
Czech
Russian
Japanese
Chinese
Korean
Arabic
Hindi
Thai
Turkish
Vietnamese
Indonesian
Tom D.
Killer A5 Haze Feminised Seeds
I got 3 started 2, now have 2 beautiful plants that I’m cloning tomorrow, thanks Ace seed!😃
Was this review helpful?
Yes
Report
Share
Troy J.
Killer A5 Haze Feminised Seeds
Seeds way too small. Germinated two seeds, one popped but never surfaced. Win some lose some. Other Strain from Ace Seeds purchased, the seeds were more mature...
Was this review helpful?
Yes
Report
Share
Verified Customer
Dianne M.
Killer A5 Haze Feminised Seeds
She germinated fast and is now one week old 😀
Was this review helpful?
Yes
Report
Share
Verified Customer
Jeff h.
Killer A5 Haze Feminised Seeds
Never popped
Was this review helpful?
Yes
Report
Share
Verified Customer
Alan b.
Killer A5 Haze Feminised Seeds
have planted 3 killer a5 haze, all popped ok presently still seedlings
Was this review helpful?
Yes
Report
Share

New content loaded

This week’s must-haves...

Sour Diesel Feminized Seeds Sour Diesel Feminized Seeds – alternate view
Sour Diesel Photoperiod
Freaky Ryder Auto Feminized Seeds Freaky Ryder Auto Feminized Seeds – alternate view
Freaky Ryder Auto Autoflowering
Sherbanger Feminized Seeds Sherbanger Feminized Seeds – alternate view
Sherbanger Photoperiod
Grapes & Cream Feminized Seeds Grapes & Cream Feminized Seeds – alternate view
Grapes & Cream Photoperiod
Jelly Cake Feminized Seeds Jelly Cake Feminized Seeds – alternate view
Jelly Cake Photoperiod
Chem Cookies Auto Feminized Seeds Chem Cookies Auto Feminized Seeds – alternate view
Chem Cookies Auto Autoflowering
Northern Lights 99 (Brothers Grimm Collab) Feminized Seeds Northern Lights 99 (Brothers Grimm Collab) Feminized Seeds – alternate view
Northern Lights 99 Photoperiod
Thai Cookies Auto Feminized Seeds Thai Cookies Auto Feminized Seeds – alternate view
Thai Cookies Auto Autoflowering
Purple Oreoz F1 Feminized Seeds Purple Oreoz F1 Feminized Seeds – alternate view
Purple Oreoz F1 Photoperiod
Blood Moon Gelato Ltd Edition Feminized Seeds Blood Moon Gelato Ltd Edition Feminized Seeds – alternate view
Blood Moon Gelato Ltd Edition Photoperiod
MegaMix Indica Feminized Seeds
MegaMix Indica Feminized Seeds
MegaMix Indica Photoperiod
Blue Dream Feminized Seeds Blue Dream Feminized Seeds – alternate view
Blue Dream Photoperiod
Green Crack Feminized Seeds Green Crack Feminized Seeds – alternate view
Green Crack Photoperiod
Garlic Muffin F1 Auto Feminized Seeds Garlic Muffin F1 Auto Feminized Seeds – alternate view
Garlic Muffin F1 Auto Autoflowering
Black Sugar 2.0 Feminized Seeds Black Sugar 2.0 Feminized Seeds – alternate view
Black Sugar 2.0 Photoperiod
Share
Share via text
Share to your social
All pack options

Select a pack size to update the PDP instantly.

Seeds

Killer A5 Haze Feminized Seeds

$73.21
1