Quantum Kush Autoflower Seeds | Growers Choice Seeds

Quantum Kush Autoflower Seeds

Looking for the ultimate sativa high? Then go with the Quantum Kush cannabis strain—one of the most preeminent sativa-dominant hybrids around!

  • 70% Sativa, 20% Indica, 10% Ruderalis
  • THC levels up to 30%
  • Induces happiness and uplifts the mood
  • 6 feet or taller plant height
  • Thrives in a Mediterranean-like climate
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Cultivating Quantum Kush cannabis seeds is a bit like growing a piece of cannabis history, as this strain was once considered one of the strongest strains around.

The sativa-dominant hybrid Quantum Kush cannabis strain is the offspring of Sweet Irish Kush and Trainwreck. In short, if you’re looking for the ultimate sativa high, then Quantum Kush marijuana is the way to go.

What does Quantum Kush cannabis taste like?

The truth is, even if Quantum Kush cannabis tasted awful, it would still have its massive fan club thanks to its astronomical effects. Fortunately, this strain does not taste awful at all. In fact, it has quite a lovely taste, with a combination of tropical fruit, citrus, skunky kush, lush, savory earthiness, and some nice, woodsy flavors.

What are the effects of Quantum Kush cannabis?

  • Uplifted
  • Euphoric
  • Happy

With Quantum Kush cannabis seeds, you’ll be able to grow one of the preeminent sativa-dominant strains around with plants that have a THC level of up to 30%.

This top-tier sativa starts with a soaring uplift of the mood as feelings of happiness spread throughout, and euphoria shatters the darkness with its warm light of bliss. If this were all there was to it, Quantum Kush marijuana wouldn’t be particularly unique from several other sativa-dominant hybrids. What makes this one special is the mind-altering power of its cerebral high that can cause one to feel as if they are gleefully lost in space—minus the panic.

While the Quantum Kush weed strain contains only 20% indica, this is just the right amount to keep users from completely floating off into a black hole. It also serves to relax without sedation or overwhelming.

In a lot of ways, Quantum Kush cannabis makes for excellent usage day or night, so long as you’re not needing to focus on accomplishing a lot of tasks.

What do Quantum Kush cannabis plants look like?

Although generally medium in height, Quantum Kush marijuana plants may reach 6 feet or taller when grown outdoors.

Its nuggets are medium in size but structurally are more like an indica in that they are quite dense. The Quantum Kush marijuana strain’s olive green buds are pebble-shaped with deep purple undertones and bright orange hairs, all of which are thickly frosted over in fine, delicate crystal trichomes.

How do I grow Quantum Kush cannabis seeds?

While Quantum Kush cannabis seeds might not always be the best option for novice cannabis users thanks to its potency, it’s definitely an excellent choice for novice cultivators to green their thumbs with.

In addition, all Growers Choice cannabis seeds are feminized.

Quantum Kush cannabis plants, which can be grown inside or outside, could be cultivated in a greenhouse or grow tent indoors. Outdoors, it will thrive in a Mediterranean-like climate.

Regardless of where you decide to grow your Quantum Kush marijuana crop, you’ll want to top it early—not only because it can grow to be rather tall outdoors, but topping the plants will encourage them to grow bushier, which often results in a better harvest. You may also need to support some of the branches as Quantum Kush cannabis plants begin to enter its flowering stage.

When to harvest your Quantum Kush cannabis plants

In many ways, Quantum Kush weed really is the total package with its great looks, crowd-pleasing effects, delightful taste, ease of growth, and harvests that are solidly healthy in quantity.

Cultivated indoors, this sativa hybrid should begin to flower in about 8-9 weeks, yielding a harvest of approximately 600 grams per square meter.

Outdoors, you’ll get a slightly larger yield of up to 700 grams per plant in the autumn.


Strain Genetics

Sweet Irish Kush, Trainwreck, Ruderalis


10% Ruderalis, 25% Indica, 75% Sativa

Strain Type

Sativa-dominant Hybrid

Flowering Time

50-60 days

THC Content


CBD Level



Euphoric, Happy, Relaxed

Indoor Yield

Up to 600g per m2

Outdoor Yield

Up to 700g per plant

Best Use

Depression, Pain, Stress


Citrus, Sweet, Woody

Flowering Type


Growing Difficulty


Where to Grow


Seed Type

Autoflowering Cannabis Seeds

Plant Height



Growers Choice Cannabis Seeds

Yield Levels

High Yield


Based on 26 Reviews

Only logged in customers who have purchased this product may leave a review.

  1. Verified Owner

    I planted a few seeds a while back and I am absolutely thrilled with the results. The plants are healthy, the buds are potent, and the whole growing experience has been a joy.

  2. Verified Owner

    Grown easily, these plants yielded well. The buds smell amazing—fruit and sweet soil together. It tastes equally good, smooth and a little fruity.

  3. Verified Owner

    While the high is quite peaceful and pleasant, the flavour is powerful and has a hint of spice to it. The strain is perfect for relaxing and having a nice evening because it is so relaxing. It is simple to cultivate and provides a potent high.

  4. Verified Owner

    These plants were very easy to grow and didn’t require much attention, which was a big plus. The buds were dense, sticky, and had a lovely earthy aroma.

  5. Verified Owner

    It works great during the day or on a laid-back evening. This is the strain to get if you want excellent flavour and effects together with easy growing.

  6. Verified Owner

    It was a delight to cultivate these plants because they required very little care and were quite resilient. Rich, earthy, and hashy aromas emanated from the blooms, which were dense in appearance.

  7. Verified Owner

    Growing these was a pleasure and really simple, which is always a bonus. Strong and bearing plenty of buds, the plants were.

  8. Verified Owner

    For days when you need a bit more drive, the high is energizing and upbeat. Anyone that enjoys a nice daytime smoke will find this strain to be excellent.

  9. Verified Owner

    Try the Quantum Kush or any other strain from GCS Auto-Flowering Cannabis Seeds if you want something tasty and easy to grow.

  10. Verified Owner

    It tastes amazing—a fruity, earthy, sweet combination. Enjoyable and uplifting, the high gives you a welcome energy and happiness boost.

  11. Verified Owner

    The flavour is powerful and the high induces a profound sense of relaxation and calmness.

  12. Verified Owner

    For those seeking a little Quantum kush in their smoke, this strain is excellent.

  13. Verified Owner

    With a THC level of 23%, this sativa-dominant hybrid provides uplifting and euphoric effects, making it perfect for relieving stress, anxiety, depression, and even PTSD. The plants have medium height and dense, pebble-shaped buds with purple undertones.

  14. Verified Owner

    Quantum Kush is a truly impressive strain. It delivers a high that is euphoric, uplifting, and happy. The flowering time is relatively short, and the yield is excellent both indoors and outdoors. The citrus, sweet, and woody flavor is a delight to smoke.

  15. Verified Owner

    A mind-bending journey through the cosmos! This strain is an absolute dream to grow, with its resilient plants reaching for the stars. The high is out of this world, with a euphoric and uplifting effect that leaves you floating in a state of bliss.

  16. Verified Owner

    Quantum Kush is the perfect strain for any cannabis enthusiast who wants to experience a cerebral high. As a returning customer, I can attest to the quality of these auto-flowering feminized seeds. The physics behind this strain is amazing, delivering a potent, well-balanced buzz that is out of this world!

  17. Verified Owner

    Smoking Quantum Kush is an absolute delight. The uplifting and euphoric effects create a blissful state of mind, perfect for relaxation. The taste is a wonderful combination of tropical fruit, skunky kush, and earthy flavors. The potency of this strain is definitely a plus, but it may not be suitable for novice smokers.

  18. Verified Owner

    If you’re looking for a sativa-dominant strain that delivers an uplifting and euphoric high, then Quantum Kush is the way to go. The taste is delightful, with a combination of tropical fruit and skunky earthiness. Growing Quantum Kush is relatively easy, making it a great choice for novice cultivators.

  19. Verified Owner

    This auto flower is a planter’s dream. Easy to grow, has massive yield sizes, and an amazing fast flowering time. Everything you want in a strain and more! The perfect quality only from Growers choice seeds.

  20. Verified Owner

    All 3 of my seeds just sprouted! Wow perfect germination! First time i ever had that happen! Very happy about it and excited to see how this grow goes. My friend recommended i buy from GCS and so far i have not had a bad experience. Got my order fast and some quality seeds!

  21. Verified Owner

    I was really impressed by how fast this strain auto-flowered, and the buds ended up being top quality with a nice high potency. I also appreciated how easy these seeds were to grow, making them perfect for beginners.

  22. Verified Owner

    With its uplifting and euphoric effects, this sativa-dominant hybrid is a favorite among users. Not only does it provide a blissful high, but it also offers therapeutic benefits such as stress and anxiety relief, pain management, and improved sleep.

  23. Verified Owner

    2 out of 3 sprouted and I am currently 1 month into this grow and boy did they really take off this morning!

  24. Verified Owner

    Quantum Kush was a great strain to grow! All of the seeds germinated and my plants were healthy throughout the grow. The high was euphoric and uplifting, perfect for any time of day. The citrus and sweet flavors were a nice touch to the woody undertones. Highly recommend for beginner growers looking for a sativa-dominant hybrid.

  25. Verified Owner

    Quantum Kush is the perfect strain for any cannabis enthusiast who wants to experience a cerebral high. As a returning customer, I can attest to the quality of these auto-flowering feminized seeds. The physics behind this strain is amazing, delivering a potent, well-balanced buzz that is out of this world!

  26. Verified Owner

    Quantum Kush is an amazing strain that grows incredibly fast with excellent yields. The high is one of the most euphoric and uplifting that I’ve experienced. The ordering process was smooth and Growers Choice’s customer service was top-notch. All of my seeds germinated and arrived quickly.

*To be covered by the Growers Choice Cannabis Seeds 90% Germination Guarantee, you must precisely follow the Germination Method.

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