Cannabis
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Free delivery
for orders above 70 €
Fast delivery
across Europe
Secure delivery
in discreet packaging
Autoflowering
21 – 23 %
Low content
450 – 500 g/m²
120 – 150 g per plant
80 – 100 cm
150 – 180 cm
9 – 10 weeks or 63 – 70 days
September – October
Gelato x Zkittlez x Ruderalis
Indica (60%), Sativa (40%)
Strong, Long-lasting, Relaxing
Earthy, Tropical, Creamy, Sweet
Runtz Auto takes everything people love about classic Runtz — the candy-sweet terps, the creamy smoke, the full-spectrum relaxation — and wraps it in ruderalis-driven speed. This is a Gelato x Zkittlez cross that didn’t lose a thing in translation to auto format. It hits 22% THC, leans 60% indica, and delivers an aroma that could fill a room before you even open the bag. If you’re looking for Runtz Auto cannabis seeds that actually live up to the hype, Shottas® has them ready.
Understanding the Runtz Auto strain means understanding two of the most celebrated dessert-style genetics of the last decade: Gelato and Zkittlez. Both parents are heavyweights in modern cannabis culture, and neither one is filler. The ruderalis element brings the autoflowering clock — nothing more, nothing less. It steps in, sets the timeline, and gets out of the way.
Gelato descends from Sunset Sherbet and Thin Mint Girl Scout Cookies — a lineage stacked with resinous, trichome-heavy phenotypes. Its contribution to Runtz Auto genetics is the dense, creamy, almost confectionery sweetness on the palate, paired with a powerful physical relaxation that starts behind the eyes and works its way down. Gelato also brings structural density and a tendency toward compact, frost-covered buds. It’s the muscle in this cross.
Zkittlez is the genetic that earned its name honestly. A cross of Grape Ape and Grapefruit, it delivers an unmistakably fruity, tropical terpene profile that leans sweet without ever becoming one-dimensional. Where Gelato gives cream and earth, Zkittlez layers in the tropical punch — mango, berry, a hint of something almost grape-like. It also reinforces the indica-leaning structure while adding a more uplifting cerebral dimension to the initial onset.
The ruderalis genetics in this cross serve a single purpose: they eliminate the photoperiod dependency, making this a self-flowering strain that transitions from vegetative growth to bloom on its own internal clock. That’s the entire job description, and this particular ruderalis lineage does it without dragging down the THC or diluting the terpene profile. The result is a Runtz Auto autoflower that stays true to its parentage while offering the convenience growers expect from modern autos.
The aroma on Runtz Automatic hits you before you’re ready for it. It’s sweet and tropical up front — think ripe mango and a bowl of mixed berries left in the sun — but there’s a deeper, earthier undercurrent that keeps it grounded. That earthy base prevents the whole profile from becoming a candy store cliché. There’s real complexity here, and it rewards attention.
The flavour follows the same architecture but adds a creamy, almost buttery mouthfeel on the exhale. Where the nose picks up fruit and earth, the palate gets that Gelato smoothness — a velvety sweetness that coats the tongue and lingers as a warm, tropical aftertaste. It’s one of those profiles where the inhale and exhale tell different stories.
Runtz Auto terpenes are responsible for the entire show. Here’s what’s driving the profile:
When these terpenes work together, the result is an aroma that fills a room and a flavour that users remember long after the session ends. Sweet, creamy, tropical, earthy — all present, none overpowering. That balance is harder to achieve than it sounds, and it’s a major reason the Runtz Auto cannabis strain has earned its reputation among smokers and connoisseurs.
With 22% THC and a 60/40 indica-to-sativa split, Runtz Auto effects land with genuine authority. This isn’t a background strain — it announces itself within minutes and stays for the full ride. CBD content is minimal, so the psychoactive profile runs largely untempered. Experienced users will recognise the classic indica-leaning arc: cerebral onset, physical deepening, long fade.
Users who appreciate a strong, body-focused high with a euphoric entry ramp will feel right at home here. It’s the kind of effect profile that rewards patience — the first ten minutes are pleasant, the next hour is where the real substance lives. And because the duration runs long, you’re not reaching for a second session halfway through the evening.
Smokers who prefer sharper, more energising sativa-driven effects might find Runtz Auto too sedative for daytime use. But for winding down, for deep relaxation, for switching off the noise — this autoflowering Runtz strain earns its keep.
We don’t stock a strain because it has a famous name. We stock it because it performs. Runtz Auto earned its place in the Shottas® Seeds line-up through consistent terpene expression, stable genetics and effects that deliver exactly what the data promises. We know this cannabis cultivar inside out — every phenotype, every aromatic note, every stage of its autoflowering cycle. The homework is done.
When you buy Runtz Auto seeds from Shottas seed bank, you’re getting auto seeds backed by a team that treats quality control as a non-negotiable. Every seed is feminized and automatically flowering — no guesswork, no pollen surprises, no light-schedule stress. That matters whether you’re a grower chasing reliable fast autoflower seeds or a collector building a library of elite cannabis genetics.
And here’s the thing about price: top-shelf genetics doesn’t have to cost a fortune. Shottas seedbank keeps margins honest because we believe access to quality marijuana seeds shouldn’t require a second mortgage. You get the same Gelato x Zkittlez lineage, the same 22% THC ceiling, the same terpene complexity — at a price point that makes sense. Buy original cannabis seeds without the boutique markup.
For growers who want the full picture, Shottas® also carries the feminized photoperiod version of Runtz — a different format for a different approach. Same legendary genetics, but on a light-dependent schedule. Having both options in our range means you pick the version that fits your setup and preference, not the only version available.
Want to buy cannabis seeds from a seedbank that actually stands behind what it sells? Shottas cannabis seeds are where confidence meets fair value. Check our selection — explore cannabis strains built for growers who refuse to settle, and find exactly why collectors and growers keep coming back.
Runtz Auto cannabis seeds sit at the intersection of flavour, potency and speed. A Gelato x Zkittlez backbone. An indica-leaning effect profile that goes deep and stays long. A terpene stack that makes the room smell like a tropical dessert bar. And it all runs on an autoflowering clock that doesn’t ask for permission.
Shottas® Seeds built this line-up for growers, users and collectors who know the difference between hype and substance. Runtz Automatic is substance. Buy Runtz Auto seeds and taste the difference — because at Shottas®, we don’t do mediocre. No mediocre!
Runtz Auto is an autoflowering cannabis strain descended from two modern icons — Gelato and Zkittlez — crossed with ruderalis genetics to enable automatic flowering. The original Runtz lineage gained massive popularity for its candy-sweet terpene profile and potent indica-leaning effects.
The Runtz Auto genetics are a three-way cross: Gelato x Zkittlez x Ruderalis. Gelato contributes creamy sweetness and physical potency, Zkittlez delivers tropical fruit complexity, and ruderalis provides the self-flowering trait.
Runtz Auto is an indica-dominant hybrid with a 60% indica / 40% sativa genetic split. The indica side drives the body-heavy relaxation, while the sativa component delivers an uplifting cerebral onset.
Runtz Auto reaches up to 22% THC, placing it firmly in the high-potency bracket for autoflowering seeds. That level of THC translates into strong, lasting effects that experienced users will appreciate.
CBD content in Runtz Auto is minimal — well below 1%. This is a THC-dominant strain, so the psychoactive effects run largely unmoderated by cannabidiol.
The flavour profile is creamy and sweet, with tropical fruit on the inhale and a smooth, earthy finish on the exhale. There’s a buttery mouthfeel courtesy of the Gelato parentage that lingers as a warm, satisfying aftertaste.
The aroma opens with ripe tropical fruit and berry sweetness, layered over an earthy, musky base. It’s a room-filler — sweet enough to be unmistakably Runtz, grounded enough to avoid one-dimensionality.
Tropical sweetness and creaminess dominate, supported by earthy, resinous undertones. Caryophyllene adds spicy warmth, limonene lifts the citrus notes, and myrcene anchors the entire profile with a herbal, musky base.
Auto indicates that this is an autoflowering strain — it transitions from vegetative growth to flowering automatically based on age, not light cycle changes. This comes from the ruderalis genetics in its lineage.
The combination of 22% THC, a complex dessert-style terpene profile and genuine indica-leaning potency sets Runtz Auto apart. Many autos sacrifice flavour or strength for speed — this one doesn’t.
Users frequently compare it to Gelato Auto and Zkittlez Auto, given the direct genetic relationship. It also draws comparisons to other dessert-style autoflower strains like Ice Cream Cake Auto and Wedding Cake Auto for its creamy, sweet profile.
Collectors value Runtz Auto for its elite lineage, consistent phenotype expression and the fact that it preserves the full terpene complexity of photoperiod Runtz in a compact, quick-finishing format. It’s a modern classic in seed form.
The photoperiod Runtz requires light-cycle manipulation to trigger flowering, while Runtz Auto flowers automatically regardless of light schedule. The auto version is generally more compact and finishes faster, while the photoperiod version can develop larger structures in the right conditions.
Growers who want quick cannabis seeds with a predictable timeline and compact stature will prefer the auto. It’s also a strong pick for anyone running multiple cycles or working with limited space, where the photoperiod version’s requirements would be impractical.
Yes — every Runtz Auto seed from Shottas® Seeds is feminized and autoflowering. That means no male plants to identify and remove, and no light schedule to manage.
Pack sizes and current availability can be checked directly in the Shottas® line-up. We offer options that fit both small-scale collectors and growers stocking up for the season.
Pricing is available in the Shottas® shop. Our philosophy is simple — premium autoflowering cannabis seeds at a fair price point, without the inflated boutique markup.
Store Runtz Auto seeds in a cool, dark, dry place — ideally between 6–8°C with low humidity. An airtight container in a refrigerator works well for long-term preservation of viability.
Absolutely. The Gelato x Zkittlez backbone ensures that the tropical sweetness, creamy undertones and candy-like character of classic Runtz come through fully in this autoflowering version. The ruderalis element doesn’t dilute the terpene expression.
Runtz Auto leans indica-dominant at 60% indica / 40% sativa. The indica side drives the deep relaxation and body effects, while the sativa genetics provide the initial euphoric uplift.
Buy Runtz Auto cannabis seeds at Shottas® — browse our full cannabis seed line-up and order from a trusted seedbank.