Sirius Black Strain Review: Deep Purple Indica for Relaxation and Sleep

The Sirius Black strain is a rare Indica-dominant hybrid that stands out for its stunning purple appearance, calming effects, and fruity aroma. If you’re looking for a cannabis strain that delivers powerful body relaxation with a smooth grape flavor, Sirius Black may be your new favorite evening companion.

In this comprehensive Sirius Black strain review, I’ll cover everything from its genetic background and terpene profile to its effects, flavor, and the type of cannabis user it’s best suited for. Whether you’re a seasoned cannabis consumer or shopping for a new sleep aid strain, this guide will help you decide if Sirius Black is worth the hype.

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What Is the Sirius Black Strain?

Here’s the strain information of the sirius black seeds weed comes down to:

● Lineage: Proprietary (bred by Oregon Breeders Group)
● Type: Hybrid strain with Indica dominance
● THC Content: 20% to 25%
● CBD Content: 0% to 1%
● Dominant Terpenes: Myrcene, Linalool, Caryophyllene
● Packaging Date: 04/10/2025
● Tested & Reviewed: 04/28/2025
● Price: $36 for 3.5g at Archive Portland ($10.29/gram)

The Sirius Black cannabis strain gets its name from the jet-black and deep violet coloration of its buds, which makes it one of the most visually distinct strains on the market. Developed by Oregon Breeders Group, Sirius Black is known for its strong Indica effects and sweet grape aroma that makes it a standout for evening use.

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Appearance: 5/5

Visually, Sirius Black weed is breathtaking. The dense, frosty buds are nearly all purple with almost no green visible. Deep violet hues dominate the flower, with bright orange pistils and shimmering white trichomes giving it a glittering, icy finish.

This strain is well-cultivated—each nug is compact, sticky, and visually stunning. If bag appeal matters to you, this strain deserves a perfect score.

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Aroma: 4/5

Once you crack open the jar, a burst of sweet grape and berry aromas fills the air. The dominant terpene here is myrcene, which is known for its musky and fruity notes. Linalool adds a light floral undertone, while caryophyllene contributes a faint spice on the back end.

The aroma is fragrant and inviting, but not overpowering. If you love grape-scented weed strains like Granddaddy Purple or Grape Ape, you’ll appreciate Sirius Black’s fruity bouquet.

If you want to understand why cannabis strains like this smell the way they do, you can learn more about how terpenes influence aroma and effects in this helpful resource.

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Flavor: 3.5/5

Sirius Black offers a mild grape and berry flavor profile on the inhale, which is smooth and easy on the throat. On the exhale, I picked up a more earthy and herbal finish, likely from the caryophyllene content.

While the taste is pleasant, it’s not as bold or juicy as the aroma suggests. If you’re expecting a flavor bomb, you may be slightly underwhelmed. But if smoothness and subtlety are more your thing, Sirius Black won’t disappoint.

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Effects: 4.5/5

This is where the Sirius Black strain truly shines. Within 10 minutes of smoking, a calming body high began to take over. My limbs felt heavy, my breathing slowed, and a cozy sense of calm washed over me.

The effects are predominantly physical, with a slight mental haze that can leave you feeling spacey and introspective. It’s not overwhelming or dizzying—just deeply relaxing. I wouldn’t call it sedating at first, but after an hour, I felt ready for bed.

Best for:

• Nighttime use
• Stress relief
• Insomnia
• Unwinding after work
• Chronic pain or muscle tension

If you’re a cannabis enthusiast looking for an Indica strain for sleep or anxiety, Sirius Black is a fantastic option. Just be cautious if you’re a beginner—it’s easy to overdo it with THC levels pushing 25%.

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Who Should Try Sirius Black?

Sirius Black is best suited for:

• Intermediate to advanced cannabis users
• Fans of fruity, grape-flavored strains
• Anyone seeking a calming Indica-dominant experience
• People looking for relief from stress, pain, or insomnia

New users should start with a small dose. The effects are strong, especially when smoked through a bong or vaporizer. This isn’t a daytime strain—it’s strictly for chilling, not productivity.

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Overall Rating: 4.5/5

Sirius Black is a top-tier Indica-dominant strain that delivers on looks, aroma, and effects. While the flavor isn’t as intense as the smell, the relaxing and full-body high makes it an excellent strain for winding down at night.

If you’re a fan of visually stunning weed, smooth smoke, and strong Indica effects without full sedation, Sirius Black deserves a spot in your rotation. It’s not ideal for beginners or daytime use, but for a cozy night in or a great night’s sleep, it absolutely hits the mark.

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Alternatives to Sirius Black Strain

If you can’t find Sirius Black at your local dispensary or want similar strains to try, here are three solid alternatives:

• Peanut Butter Breath Strain: A hybrid with a nutty-earthy profile and similar body-heavy relaxation.
  
• Ice Cream Cake Strain: Known for its sweet dessert flavor and sedating Indica effects—ideal for sleep.
  
• Tiger Cake Strain: Another potent Indica-dominant hybrid with more intense flavor and a strong body buzz.
  

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Frequently Asked Questions (FAQs)

Is Sirius Black strain Indica or Sativa?

Sirius Black is an Indica-dominant hybrid known for its relaxing and sleep-inducing effects.

What does Sirius Black strain taste like?

It has mild notes of grape and berries with earthy undertones and a smooth finish.

How strong is Sirius Black strain?

Sirius Black typically contains 20–25% THC, making it moderately to highly potent depending on your tolerance.

What is Sirius Black strain best for?

Best for nighttime use, Sirius Black is ideal for relieving stress, aiding sleep, and reducing muscle tension.

Who bred the Sirius Black strain?

Sirius Black was bred by Oregon Breeders Group, a West Coast cannabis collective known for cultivating rare and visually unique strains.