Sirius Black feminized seeds

17 Reviews

Sirius Black is an Indica-dominant strain with powerful calming effects. These cannabis seeds carry a woody scent and citrus flavor.

  • Up to 25% THC
  • 30% Sativa / 70% Indica
  • Powerful effects
  • High yields
Jump to description
Sirius Black feminized seeds
  • Stealth shipping to Australia
  • Shipping within 24 hrs
  • 4.8/5 on based on 2700+ reviews
Our secure payment options

Sirius Black feminized seeds


Strain Info

THC level 25 %
CBD level 0.05 %
CBG level 0 %
Type Indica dominant
Ruderalis 0 %
Sativa 30 %
Indica 70 %
Genetics Sirius Black
Yield indoor 400-500 grams per m2
Yield outdoor 700-900 grams per plant
Height indoor 80-120 cm
Height outdoor 120-150 cm
Flowering time 56-63 days
Fungal resistance Medium
Grower profile Advanced
Cultivation Indoor, Outdoor, Greenhouse
Climate Temperate, Mediterranean, Arid
Flavors Citrus, Fruity, Kush, Woody
Effects Calming, Creative, Euphoric, Happy, Relaxed, Powerful
Terpenes Terpinolene, Beta Caryophyllene, Linalool, Limonene, Cymene

Sirius Black feminized seeds

Almost everyone has read the Harry Potter books or watched the movies. However, even if you haven't, you will no doubt have heard of the name Sirius Black. A mysterious, seductive and magical figure with special powers from the equally magical movie. Exactly as the properties of this weed are.

Sirius Black is an Indica-dominant hybrid (70%). She is potent and possesses both a heavy terpene profile and beautiful deep purple colors. An absolutely unique plant that will surprise, seduce and enchant you.

Curious about this magical weed with its unique and surprising powers? Keep reading and find out why you should buy your Sirius Black feminized seeds at Weedseedsexpress.

Why you should buy Sirius Black seeds:

  • Powerful effects due to a THC content of up to 25%

  • Generous harvest potential

  • Relatively easy to grow

Growing Sirius Black seeds (indoors and outdoors)

The Sirius Black cannabis seeds can be grown indoors, outdoors or in a greenhouse. She loves heat and prefers Mediterranean or arid climates. However, she is also great to grow in temperate climates as long as its summers are warm.

The Sirius Black strain is a weed strain with a relatively easy growing profile. In fact, due to her Indica dominant characteristics, the chance of problems is very limited. Still, a little experience growing cannabis will work in your favor. Especially since in many cases, she needs to be pruned to optimize light penetration. 

Promoting light penetration will benefit your harvest, but to really maximize your yield, it's worth noting that Sirius Black feminized seeds responds well to growing methods like Sea of Green and Screen of Green.

Do you have some growing experience? Then you'll be growing an impressive plant in no time with our Sirius Black seeds. The plant features an authentic, compact Indica structure and medium to large buds that look a bit like ripe pine cones with lavender crystals.

Even in the early stages of flowering, a Sirius Black plant can display her magical deep purple color palette. Eventually, her purple glow can show throughout the length of the buds, where her violet hues are accompanied by beautiful green and yellowish pistils.

Flowering time

In order to utilize the full potential of Sirius Black, it is advisable to complete the full flowering phase of this strain. This amounts to approximately 56 to 63 days when grown indoors. When grown outdoors, you can harvest in mid-October.

Plant height 

The Sirius Black plant height is rather manageable. Indoors, she will reach a height of between 80 and 120 centimeters. When grown outside, this strain will grow somewhere between 120 and 150 cm.

Sirius Black yield

Are you planning on using the Sirius Black feminized seeds for your indoor grow, and are you able of creating optimal conditions for your plant to grow and flower? Your harvest can reach about 500 grams per square meter. If you're growing outdoors, the yield can go as high as a magical 900 grams per plant. Not bad for an Indica!

Effects of Sirius Black

The high is just as impressive as the taste, with a full-body stone that is great for combating both mental and physical pains. The effects you can expect from Sirius Black weed are predominantly sedative and anesthetic. A typical relaxing Indica effect and great for a calm evening relaxing on the couch, alone or with your friends.

Sirius Black also induces a cerebral euphoria. She increases creativity, elevates the mood and provokes fits of laughter. She is therefore widely used to relieve stress, depression, pain, inflammation, seizures and migraines. In addition, the weed is wonderful for falling asleep with.

Side effects

Sirius Black can induce a dry mouth, dry eyes and mild dizziness as side effects. Staying hydrated before and during consumption is enough to alleviate these symptoms. Incidentally, beginners will need to pay attention to dosage to avoid lethargy and overwhelming couch-lock.

Smell and taste

The flavors of the weed are very enticing. Those who smoke Sirius Black weed will enjoy the sweet taste of ripe black grapes. The aroma is of dank earth with a hint of musk, and a citrus tang that you taste especially when you light your joint. All in all, consuming Sirius Black cannabis is a fantastic magical experience that you definitely don't want to miss!


The origin of Sirius Black is shrouded in as much mystery as JK Rowling's character. However, it is believed that the plant was originally developed by the legendary Oregon Breeders Group.

The best Sirius Black seeds for sale at Weedseedsexpress

As far as we are concerned, Sirius Black is a cannabis strain that you should definitely have grown once in your life. With her delicious flavors and aromas, Sirius Black never fails to indulge and stimulate the senses. She is also a plant that develops an exceptionally high quality weed and will never disappoint.

Convinced? Then buy your Sirius Black seeds at Weedseeds express, enjoy our germination guarantee and fast stealthy shipping, and grow your own magical weed before you can say "Accio".

View more
4.76 Based on 0 Reviews
All reviews
All reviews
Not Recommended
With Photo
Most helpful
There are no reviews yet for this product to match your filters.
- of 0 Reviews
Back to top
Payment & Delivery
You might also like these seeds alternatives
G13 feminized
Permanent Marker feminized
Permanent Marker feminized seeds
Outback OG feminized
Ice Cream Cake feminized