Runtz Auto
Runtz x Super Auto #1
THC
•
Autoflower
•
Indica
Price range: $28.99 through $109.99
Cultivation Notes:
Runtz Auto finishes in 65 to 70 days from seed, reaching 31 to 39 inches indoors and 43 to 55 inches outdoors. Indoor yields can reach 1.6 to 1.9 oz/sq ft under dialed-in conditions, while outdoor plants commonly produce 8 to 11 oz per plant. The plant develops resin-coated buds with a dense, Indica-leaning structure and benefits from good airflow as the canopy fills in. Like all autoflowers, it moves through its cycle without a light schedule change, making it well suited for perpetual indoor setups or outdoor grows with tight timing windows.
Additional Info:
Growers commonly associate Runtz Auto with an uplifting, calming experience that reflects its balanced 70/30 Indica-Sativa split. The flavor carries sweet tropical and candy notes that hold up well through cure and tend to be expressive from first open. At 27% T#C it sits at the top end for autoflowers, and the resin output reflects that. Despite the potency, it is an approachable grow that adapts well to both indoor and outdoor environments, making it a strong option for anyone who wants a high-output, flavorful autoflower without a long wait.
This seed was developed by a trusted member of the Triangle Hemp Breeder Network, ensuring top-tier quality and genetic integrity.
Frequently Asked Questions
Is Runtz Auto a Sativa, Indica, or Hybrid?
Indica
Is Runtz Auto an Autoflower or Photoperiod strain?
Runtz Auto is an Autoflower. Autoflower varieties flower automatically based on age, usually finishing 9 to 12 weeks from seed regardless of light schedule. No light timing required — they're ideal for new growers, fast turnarounds, and growing indoors year-round. Photoperiod varieties flower when the light schedule changes (typically 12 hours on / 12 hours off). They take longer but give you more control over plant size and yield.
How long does it take Runtz Auto to grow?
Autoflowers are the fastest path from seed to harvest. Most finish in 8 to 12 weeks total from germination, regardless of light schedule. Because they flower based on age rather than light changes, there's no separate vegetative phase to manage. Just plant, provide consistent light (18 to 20 hours a day works well), and let the plant do its thing. Check the strain details above for specific timing estimates, and visit our growing guide for tips on getting the most out of your grow.
What does Runtz Auto smell like?
Sweet, Fruits, Candy
What does Runtz Auto produce — THC, CBD, or CBG?
THC
What do other growers report Runtz Auto feeling like when consumed?
Calming, Relaxing, Euphoric
How do I germinate Runtz Auto seeds?
Autoflowers need a slightly different approach because their roots are sensitive to transplanting. Start with a 24-hour soak in a hydrogen peroxide solution (1 part 3% H2O2 to 6 parts water) to boost germination. After soaking, plant the seed directly into its final container (3 to 5 gallon pot) about half an inch deep — do not use the paper towel method or start in a small pot. Spray the area around the seed to keep the soil moist, but do not soak the entire container. The key with autoflowers is to never transplant them. For a full walkthrough, check out our germination guide.
Disclaimer: All seeds contain less than 0.3 percent delta-9 THC. Educational content is intended for adults in regions where cultivation is legal. Buyers are responsible for complying with local laws.
