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Hybrid – Balanced mix of Sativa and Indica effects. Can be uplifting, relaxing, or both depending on the strain.
Sativa – Energizing and uplifting. Often boosts creativity, focus, and daytime productivity.
Indica – Relaxing and calming. Great for evening use, stress relief, and sleep support.
THC Potency – Measures how strong the cannabis is, shown as a percentage.
Low: 10–15% – mild effects, good for beginners.
Medium: 16–20% – balanced strength.
High: 21%+ – strong effects, best for experienced users.
Strain Genetics – Refers to the plant’s lineage and crossbreeding history, which influence flavor, aroma, and effects.
Pure: 100% Sativa or Indica heritage.
Hybrid: Cross of two or more strains for tailored effects.
Landrace: Original, naturally grown strains from specific regions.
FDA DISCLOSURE: The FDA has not evaluated the statements regarding these products. They are not intended to diagnose, treat, cure, or prevent any disease. It is advisable to consult your health physician before use.
The information on this site is provided as a resource only, and is not to be used or relied on for any diagnostic or treatment purposes. The information, including but not limited to, text, graphics, images and other material contained on this site are for informational purposes only.
FDA DISCLOSURE: The FDA has not evaluated the statements regarding these products. They are not intended to diagnose, treat, cure, or prevent any disease. It is advisable to consult your health physician before use.
The information on this site is provided as a resource only, and is not to be used or relied on for any diagnostic or treatment purposes. The information, including but not limited to, text, graphics, images and other material contained on this site are for informational purposes only.
FDA DISCLOSURE: The FDA has not evaluated the statements regarding these products. They are not intended to diagnose, treat, cure, or prevent any disease. It is advisable to consult your health physician before use.
The information on this site is provided as a resource only, and is not to be used or relied on for any diagnostic or treatment purposes. The information, including but not limited to, text, graphics, images and other material contained on this site are for informational purposes only.
FDA DISCLOSURE: The FDA has not evaluated the statements regarding these products. They are not intended to diagnose, treat, cure, or prevent any disease. It is advisable to consult your health physician before use.
The information on this site is provided as a resource only, and is not to be used or relied on for any diagnostic or treatment purposes. The information, including but not limited to, text, graphics, images and other material contained on this site are for informational purposes only.
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Free standard shipping on orders over $60
Fast + Discreet Delivery: Your order ships quickly and securely in plain, unmarked packaging to protect your privacy—so you get what you need, when you need it, without drawing attention.
Lab Tested Products: All our products are tested by third-party labs and ensure they meet federal legal and health standards.
Black Runtz Feminized Seeds from Island Roots deliver elite, top-shelf genetics built for growers who demand premium quality, flavor, and consistency. This legendary strain is known worldwide for its stunning purple hues, rich terpene profile, and balanced, powerful effects. Whether youโre growing for personal use or building your craft garden, Black Runtz is a must-have exotic cultivar.
Bred from the iconic Zkittlez and Gelato lineage, Black Runtz combines sweet candy flavors with creamy, fruity undertones and a smooth finish. The feminized genetics ensure that nearly every plant develops into a high-quality flowering female, maximizing yields and simplifying your grow.
At Island Roots, we believe great cannabis starts with elite seeds. Every pack reflects our commitment to craftsmanship, heritage, and premium performanceโgrown from passion and shared with our global community of growers.
โข Genetics: Zkittlez ร Gelato
โข Type: Balanced Hybrid
โข Seed Type: Feminized
โข Flowering Time: 8โ10 weeks
โข Grow Difficulty: Moderate
โข Yield: Medium to High
โข Environment: Indoor & Outdoor
Black Runtz is famous for its candy-sweet terpene profile. Expect bold notes of tropical fruit, berries, and creamy dessert with subtle hints of citrus and earth. The aroma is loud, exotic, and unmistakableโperfect for connoisseurs who value flavor as much as potency.
These feminized seeds are ideal for growers looking for consistency and efficiency. Plants typically develop compact, resin-heavy buds with deep purple and dark green tones. With proper care, Black Runtz produces dense, frosty flowers rich in cannabinoids and terpenes.
This strain thrives in controlled indoor environments but also performs well outdoors in warm climates. Training techniques like topping and low-stress training can help maximize canopy development and overall yield.
At Island Roots, we focus on premium genetics, reliable germination, and customer support you can trust. Our seeds are carefully selected and tested to ensure strong, vigorous plants and consistent results.
โ Feminized for maximum efficiency
โ Exotic, top-shelf genetics
โ High terpene expression
โ Consistent, reliable performance
โ Crafted for modern growers
From our Island to yours, weโre proud to help you grow something exceptional.
At Island Roots, we’re committed to getting your order to you quickly, discreetly, and securely.
We currently offer the following shipping options within the United States:
Shipping method is selected at checkout based on your location and order size.
free shipping applies once the final cart total reaches $60 or more. This is based on the total after any discounts, promo codes, or rewards are applied.
All orders are shipped in plain, odor-proof, tamper-evident packaging with no reference to cannabis or Island Roots on the exterior.
You’ll receive a tracking number via email as soon as your order ships. Please allow up to 24 hours for the tracking information to update.
Shipping costs are calculated at checkout based on weight, location, and service selected. Orders over a certain amount may qualify for free shipping promotions—check our website banner or weekly deals for current offers.
We are not responsible for carrier delays once the package is in transit. However, if your package is delayed or missing, please reach out—we’ll work with the carrier and ensure a fair resolution.
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