Runtz is a balanced hybrid cannabis strain bred from Zkittlez and Gelato, known for a candy-like fruit flavor and a euphoric, relaxing high. Its breeder is disputed, with credit going to a Southern California crew and the Cookies brand. Typical THC runs from about 20% to 28%.
Runtz Strain at a Glance
| Type | Balanced hybrid |
|---|---|
| Also known as | Runtz OG |
| Lineage | Zkittlez × Gelato |
| Breeder / origin | Disputed; credited to the Runtz crew (Yung LB, Ray and Nick) and marketed by Cookies |
| THC | 20–28% (typical lab range) |
| CBD | Under 1% |
| Dominant terpenes | Beta-caryophyllene, Limonene, Linalool |
| Aroma and flavor | candy, tropical fruit, sweet, creamy, fruity candy, sweet cream, tropical |
| Reported effects | euphoric, relaxed, happy, giggly |
| Best for | evening use, socializing, unwinding |
| Flowering time | 8–9 weeks |
Where Runtz Comes From
Runtz is widely accepted as a cross of Zkittlez and Gelato, though it has no registered seed-bank pedigree. Zkittlez brings the candy and tropical-fruit traits, while Gelato brings the creamy, dessert-like side.
Credit for creating it is contested. One account, from Cookies, says the strain came from a crew of friends known as Ray, Nick and Yung LB, a Long Beach rapper, around 2017. Others say Cookies bred it. Leafly itself noted in its coverage that the strain’s roots are hard to pin down.
Whatever its exact origin, Runtz grew from a niche cut into one of the most recognized names in cannabis. Leafly named it Strain of the Year for 2020. The popularity brought a huge number of copycat Runtz-named products and offspring, including White Runtz, Pink Runtz, Gelato Runtz and Banana Runtz, and not all are genetically related.
Runtz Effects: What It Feels Like
Runtz delivers a happy, euphoric head and a calm, light body effect. The first notes are uplifting and giggly, then a pleasant physical relaxation settles in. For many people the overall feel is balanced, bright and not too heavy.
The strain is popular for socializing, music, snacking and evening downtime. Because it is strong, it can be sedating at higher doses, and a few people feel dizzy or anxious. Beginners should use a small amount.
Runtz Terpenes, Aroma and Flavor
Runtz smells and tastes like fruity candy, with sweet tropical notes and a creamy undertone, which makes sense given its Zkittlez and Gelato parents. The inhale is sweet and fruity and the exhale smoother and slightly creamy.
Lab results commonly show caryophyllene and limonene near the top, with linalool or myrcene appearing in many batches. As with other modern dessert strains, exact numbers depend on the producer, so use a product’s own certificate of analysis as the guide.
- Beta-caryophyllene: peppery and spicy, also found in black pepper and cloves
- Limonene: bright citrus, also found in lemon and orange peel
- Linalool: floral and lavender-like
Terpene levels vary from grower to grower and batch to batch, so check the lab label on the package. Learn more in our guide to cannabis terpenes.
Side Effects and How to Use Runtz
Dry mouth and dry eyes are the most commonly reported effects. Runtz is high in THC, so some people experience dizziness, a racing pulse or anxiety, particularly with large doses. Take a small amount at first, give it time, and avoid driving.
How strong Runtz feels depends on the batch, your tolerance and how you consume it. Start low, go slow, and read our guide to dosing cannabis.
Do People Use Runtz for Medical Reasons?
Users often mention it for stress, low mood and body tension. Because the effect is relaxing but often stays social, it is also described as a good evening choice. These are anecdotal reports, and anyone with a health concern should consult a doctor.
These are user reports, not clinical findings. For what research actually supports, see our cannabis health and research section, and talk to your doctor before using cannabis for a health condition.
Growing Runtz
- Difficulty: Moderate to difficult
- Flowering: 8–9 weeks
- Yield: Medium
- Height: Medium
- Environment: Indoor preferred
Runtz is commonly grown indoors, where growers can control humidity and temperature. It flowers in around eight to nine weeks, and the dense, frosty buds need good airflow. In the Pacific Northwest’s wet autumn the compact flowers are prone to mold outdoors, so a greenhouse or indoor space is safer. Quality varies by cut, since many plants carry the Runtz name.
Home-grow rules depend on the state: adults can grow at home in states such as California (six plants per residence), Michigan (12 per residence) and Oregon (four per household), while Washington and Illinois allow home growing only for registered medical patients. Check your state in our cannabis laws by state guide before you plant anything.
Strains Like Runtz
- Zkittlez: the candy-fruit parent
- Gelato: the creamy parent
- Gelato Runtz: a Gelato-heavy relative
- White Runtz: a frostier, sweeter relative
- Pink Runtz: a Runtz cross with fruity sweetness
- Grape Runtz: a grape-forward Runtz relative
Browse more hybrid strains, the full strain directory, or our guide to cannabis strains.
More Hybrid Strains to Explore
Sapphire Cherries · Scarlett Queen · Scented Marker · Runtz Cake · RS-54 · RS-11 · All hybrid strains
Where to Buy Runtz
Dispensary menus change every week, and Runtz may be sold under its own name, as a cross or as a pre-roll or vape. The fastest way to find it is to check store menus online before you go. In Spokane, browse Spokane dispensaries and check the menus at stores like Sativa Sisters and Lucky Leaf Co.. In Portland, browse Portland dispensaries and check the menus at stores like Evergreen Cannabis Company and Jar Cannabis. You can also browse licensed dispensaries in every state we cover. Adults 21 and older can buy with a valid photo ID; see cannabis laws by state for purchase limits.
Runtz FAQ
Is Runtz indica or sativa?
Runtz is a balanced hybrid. It tends to be both uplifting and relaxing.
What is Runtz a cross of?
Zkittlez and Gelato, according to the generally accepted account.
Who bred Runtz?
It is disputed. Some credit a crew called Ray, Nick and Yung LB, while others credit Cookies, which popularized it.
How strong is Runtz?
Most batches test around 20% to 28% THC, which is strong. Beginners should start with a small amount.
What does Runtz taste like?
Sweet fruity candy with tropical and creamy notes.
Was Runtz Strain of the Year?
Yes, Leafly named Runtz its Strain of the Year for 2020.
For adults 21+ in legal states. Strain information reflects breeder descriptions, lab data and user reports; effects vary by person and batch. Not medical advice.