How to Grow Sweet Tooth Auto

Sweet Tooth Auto is an 85/15 indica-dominant autoflower that crosses the classic Sweet Tooth with a ruderalis line for automatic flowering. It pairs a sweet, berry, tropical flavor with a euphoric, focused, relaxed effect. THC runs from 15 to 21%. This guide covers the full grow of the Sweet Tooth Auto strain, from germinating the seeds to the final cure, with the autoflower steps that make it easy.

It stays compact at around 3.28 ft, runs its whole life cycle in 8 to 10 weeks from seed, and gives a high indoor yield of sweet, frosty buds. If you like these genetics, Blimburn also offers the feminized Sweet Tooth, an award-winning classic, and the Sweet Tooth Regular.

Recommended Strains

Sweet Tooth Auto

	THC	15% - 21% (Medium)
	Type	Autoflowering
	Yield	High
	Phenotype	85% Indica / 15% Sativa

1 Seed - $17.503 Seeds - $426 Seeds - $659 Seeds - $8025 Seeds - $19550 Seeds - $320100 Seeds - $580 Add to cart

Sweet Tooth

	THC	16% - 19% (Medium)
	Type	Feminized
	Yield	Medium
	Phenotype	80% Indica / 20% Sativa

1 Seed - $17.503 Seeds - $426 Seeds - $659 Seeds - $8025 Seeds - $19550 Seeds - $320100 Seeds - $580 Add to cart

Sweet Tooth Auto at a Glance

Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this autoflowering indica, taken straight from the strain’s grow data.

These are autoflowering seeds, so they flower on their own without a light-cycle change, and its strong 85% indica makeup places it with the indica seeds for growers who want a sweet, compact, relaxing auto.

How to Germinate Sweet Tooth Auto Seeds

A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Sweet Tooth Auto seeds inside two damp sheets, slide them between two plates, and keep them somewhere dark at 70 to 79°F. A taproot usually appears in one to five days.

With autoflowers the single most important rule is to sow straight into the final pot. Autos have a short, fixed life cycle and resent being transplanted, which can stunt them and cost you yield. So once the taproot shows, place the seed root-down about 2 cm deep in the pot it will finish in, keep the medium lightly moist, and hold humidity around 65 to 70% while the first true leaves open.

Starter tips

• Sow directly in the final pot; avoid transplanting an autoflower.
• Use plain, lightly pH-balanced water (pH 5.5 to 6.5) for the first week.
• Hold off on nutrients until the second set of serrated leaves appears.

Growing Sweet Tooth Auto in the Vegetative Stage

Sweet Tooth Auto likes a temperate to warm climate and, as an autoflower, it runs on a generous light schedule from day one. Give it 18 to 20 hours of light a day for its whole life, since there is no need to switch to 12/12 to trigger flowering. Aim for day temperatures of 68 to 80°F and keep veg humidity around 50 to 60%.

The vegetative window is short, so train gently and early. Because topping an auto wastes precious grow time, use low-stress training instead: tie the main stem down and spread the branches to open the canopy, which evens out the light and lifts yield without slowing this short plant.

Its compact, day-neutral nature suits a range of US regions, and because it does not depend on the season you can run it almost any time in the warm months:

• Southern California: the long, warm, dry season lets you fit in more than one autoflower cycle, and low humidity keeps the dense buds clean.
• Pacific Northwest (Oregon and Washington): its quick 8 to 10 week life cycle lets you start in late spring and harvest before the damp autumn arrives.
• Colorado and mountain states: the short cycle dodges early frosts, and cool mountain nights late in flower can deepen color in the sweet buds.

Flowering and Buds of Sweet Tooth Auto

As an autoflower, Sweet Tooth Auto starts flowering on its own around three to four weeks from seed, with no change to the light schedule needed. From seed to harvest the whole life cycle runs 8 to 10 weeks, so flowering arrives fast and the plant stays short and tidy.

Keep the light at 18 to 20 hours right through bloom, drop humidity to 40 to 45%, and keep airflow moving through the canopy so the dense indica buds finish clean. The flowers turn frosty and give off a sweet, berry, tropical nose true to the Sweet Tooth parent.

At 15 to 21% THC it leans toward a smooth, approachable potency, so judge ripeness by the trichomes to catch that sweet aroma at its peak.

Common Problems and Pro Tips

Sweet Tooth Auto is forgiving and beginner-friendly, but its autoflower nature and dense indica buds point to a few things worth watching.

• No recovery time: an auto will not wait for you, so avoid harsh handling like topping or transplanting; stick to gentle low-stress training and fix problems quickly, because there is no long veg to bounce back in.
• Light feeding: autos are small and want less food than photoperiod plants, so start nutrients low and build up slowly to avoid burning this compact plant.
• Dense buds: its strong indica side packs the colas tight, so keep a fan moving, defoliate lightly and hold humidity below 45% late in flower to protect them.

Expert tip: because the life cycle is fixed and short, pot size and an airy, well-draining medium do a lot of the work; a 3 to 5 gallon fabric pot filled before germination lets the roots run uninterrupted. Letting night temperatures drop to around 59 to 64°F in the final two weeks can bring out color in the sweet buds without stressing the plant.

Aroma, Flavor and Effects

The nose is sweet and inviting: ripe berries and sweet tropical fruit up front over the soft, candy-like sweetness that gives Sweet Tooth its name. It reads dessert-like rather than heavy, and it sharpens as the buds cure in the jar.

The flavor follows, sweet berry and tropical fruit with a smooth, candy finish. On the effect side it is euphoric, focused and relaxed, an uplifting, clear lift settling into a comfortable body calm from its strong 85% indica makeup, which makes it easy and pleasant.

Terpene profile

This is a sweet, fruit-forward profile. Myrcene leads with a ripe, sweet, berry-like depth that drives the relaxing effect; Valencene adds a sweet, citrusy lift that feeds the fruity character; and Caryophyllene brings a gentle peppery warmth. Bisabolol layers in a soft floral sweetness, Pinene a fresh edge, and Humulene an earthy, woody note, with eucalyptol, borneol and more rounding out the blend. Together they give that signature sweet, berry Sweet Tooth aroma.

Nutrient Schedule

Treat the figures below as a starting map, not a rulebook. As an autoflower, Sweet Tooth Auto wants a lighter feed than a photoperiod plant, so lean toward the low end and read the plant first: tip burn means back off, while pale, slow growth means it wants a little more. All values use EC.

Keep the pH around 6.0 to 6.5 in soil and 5.5 to 6.0 in hydro so the roots can actually take up what you feed.

What to Do With Your Trim: Extracts and Hash

Sweet Tooth Auto produces a frosty, fragrant trim, so it is worth keeping. The sugar leaves you take off while manicuring carry plenty of trichomes and suit Ice Water Hash, where cold water and agitation separate the resin heads into a clean, solventless concentrate. Pressing that hash into rosin keeps the sweet berry flavor intact, or you can run a solvent extraction if that is your setup. The bare stems will not extract, but chopped and composted they feed organic matter back into the soil for your next grow.

Harvesting, Drying and Curing Sweet Tooth Auto

Timing the harvest comes down to the trichomes. Grab a loupe and watch the heads turn from clear to milky white; a scattering of amber signals peak ripeness. With this autoflower the whole cycle lands at 8 to 10 weeks from seed, and because it is day-neutral you can harvest at almost any time of year you started it.

After the cut, hang the branches in a dark room at 59 to 68°F with humidity near 50% and gentle air movement. Slow beats fast: drying over 10 to 14 days protects the sweet berry and tropical aromas that define this strain. When the small stems snap instead of bending, move the buds into jars.

Cure in sealed glass, opening the jars daily for the first week to let moisture escape, then easing off as the aroma deepens. Two to four weeks of patience here is where the sweet, fruity flavor really comes forward, and it is the step most first-time growers rush.

Frequently Asked Questions

Is Sweet Tooth Auto easy to grow for beginners?

Yes, Sweet Tooth Auto is beginner-friendly. As an autoflower it flowers on its own with no light-cycle change, stays very compact at around 3.28 ft, and finishes fast. Sow it straight into its final pot, feed it lightly, and use gentle low-stress training. That simplicity and small size make it an ideal first grow.

How long does Sweet Tooth Auto take to grow?

Sweet Tooth Auto runs its full life cycle in 8 to 10 weeks from seed to harvest. It starts flowering on its own around three to four weeks in, with no light change needed. Because it is day-neutral, you can start and finish it at almost any time of year in a warm season, even fitting several cycles in.

Does Sweet Tooth Auto need a light change to flower?

No. Sweet Tooth Auto is an autoflower, so it flowers automatically with age rather than in response to a light change. Keep it on 18 to 20 hours of light a day for its whole life, from seedling right through harvest. This is what makes autos like this one so simple and forgiving to grow.

How much does Sweet Tooth Auto yield?

Sweet Tooth Auto is a high yielder for its small size. Indoors it gives 1.47 to 1.8 oz/ft² under good light, and outdoors each compact plant produces 3.53 to 4.23 oz/plant. Sowing straight into the final pot and using low-stress training to open the canopy helps you reach the top of that range.

How strong is Sweet Tooth Auto?

Sweet Tooth Auto has a medium THC level of 15 to 21%. The effect is euphoric, focused and relaxed, an uplifting, clear lift that settles into a comfortable body calm from its strong 85% indica makeup. That approachable strength makes it a smooth, easy choice for relaxing without feeling heavy.

What does Sweet Tooth Auto taste and smell like?

Sweet Tooth Auto leads with ripe berries and sweet tropical fruit over the soft, candy-like sweetness that names the strain, driven by myrcene, valencene and caryophyllene. It is dessert-like rather than heavy, and that sweet, berry character deepens and rounds out as the buds cure slowly in the jar.