Short & Sweet Auto Seeds by Heavyweight Seeds – Fast-Flowering Sativa-Dominant Powerhouse

The Short & Sweet Auto by Heavyweight Seeds is a legendary autoflowering strain designed for growers who refuse to wait, delivering a powerful Sativa-dominant high and impressive yields in a remarkably short time frame.

Ever feel like you're stuck in a waiting game, watching your plants stretch for months before you even see a flower? That frustration of delayed gratification can make you second-guess your whole setup. This waiting period isn't just boring; it's a window for pests, mistakes, and wasted energy, leaving you with a harvest that feels like it took forever to arrive.

What you can expect the first few times

When you pop a Short & Sweet Auto seed, you'll notice its vigorous start. It's a fast mover from day one. The first signs of flowering can appear as early as week 3-4 from germination, which is thrilling but can catch new growers off guard. The plant will stretch significantly during this pre-flower phase, sometimes doubling in height. The aroma starts sweet and fruity but quickly intensifies into a pungent, spicy funk that will absolutely require a carbon filter in enclosed spaces.

Typical mistakes and how to avoid or fix them

• Transplanting stress: This auto hates root disturbance. Plant directly into its final, large pot (18-27 L / 4.8-7.1 gal) to avoid stunting its short life cycle.
• Overwatering early on: Its initial growth is rapid but the root system needs time to develop. Let the top soil dry out slightly between waterings in the seedling stage.
• Ignoring the stretch: Don't let it get too close to your lights. Its Sativa heritage means it can shoot up; manage height with gentle LST (Low Stress Training) early in veg.
• Underestimating the smell: That "sweet" name is a trick. The flowering smell is intense and pervasive. Plan your odor control from the start.
• Overfeeding: Autos are generally lighter feeders than photoperiods. Start with half-strength nutrients and observe. A simple, balanced fertilizer kit for indoor growing is often all you need.

How to fine-tune until you find your perfect sweet spot

1. Start simple: Use a quality, light soil mix and stick to a basic nutrient schedule. Observe the plant's natural vigor first.
2. Change only one thing at a time: Adjust light height, nutrient strength, or watering frequency individually to see what triggers the best response.
3. Take notes: Log the day it showed sex, the stretch distance, and how it reacts to feedings. This data is gold for your next run.
4. Dial in the environment: Once flowering begins, gradually lower humidity from 50-60% down to 40-50% to protect those dense buds.
5. Listen to the trichomes: For a more energetic high, harvest when most trichomes are milky. For a heavier, more relaxing effect, wait for 20-30% amber.

Advantages and benefits of treating it as a learning process

• Speed to knowledge: Its short cycle means you get feedback on your techniques in just two months, accelerating your skills.
• Builds confidence: Successfully harvesting a potent auto like this proves you can manage a full grow cycle, building foundational confidence.
• Teaches you about Sativa traits: You learn to manage stretch, feed schedules for longer flowering, and handle intense aromas firsthand.
• Perfect for dialing in a system: Its predictability makes it an ideal test subject for new soils, lights, or flowering boosters.

Frequently Asked Questions

How long does it take to really "get" this plant?

Given its 8-9 week life cycle, you can go from seed to harvest and have smoked your results in under 4 months. One full cycle teaches you its basic rhythm; a second run lets you optimize yield and potency.

How do I know if I'm using it (the genetics) correctly?

You're on track if the plant shows vigorous growth in weeks 1-3, initiates flowering without stress around week 4, and develops dense, resin-coated buds without signs of nutrient burn or light stress. A happy Short & Sweet Auto will be a manageable 70-100 cm (2.3-3.3 ft) tall and heavy with buds.

What if I don't like a particular result (e.g., too racy a high)?

The effect is heavily influenced by harvest time. If you find the high too cerebral and racy, harvest later next time, allowing more trichomes to turn amber for a more balanced, relaxing effect. It's a customizable experience.

Technical specifications

• Breeder: Heavyweight Seeds
• Type: Feminized Autoflowering
• Dominance: Sativa (60%) / Indica (40%)
• Genetics: AK-49 x White Widow x Ruderalis
• Cycle (Seed to Harvest): Approximately 55-65 days
• Indoor Yield: 500-700 g/m² (approx. 1.6-2.3 oz/ft²)
• Outdoor Yield: Up to 150 g/plant (approx. 5.3 oz/plant)
• Indoor/Outdoor Height: 70-100 cm (2.3-3.3 ft)
• Difficulty: Low
• THC: Approx. 16%
• CBD: Approx. 1%
• Aromatic Profile: Sweet, fruity, spicy, pungent
• Effect: Potent, cerebral, and relaxing; can be sedative in higher doses.

Personal Experience of Pevgrow’s CEO (Alan)

I've run Short & Sweet Auto a few times when I need a quick, reliable harvest that packs a punch. My biggest lesson? Don't let the "easy for beginners" tag make you complacent. This plant has a hidden intensity. The first time, I underestimated its nutrient uptake during the flowering stretch and got a slight yellowing too early. Now, I give it a gentle boost of a PK booster right as the stretch slows and the first real buds form. It makes those already-dense nugs even harder. The smell is no joke—it's a proper "headshop in a tent" aroma that is sweet upfront but has a deep, spicy, almost fuel-like backend. It's a fantastic strain for a Sea of Green (SOG) setup; popping 12 in a square meter (10.8 ft²) and letting them go with minimal training yields an incredible carpet of sticky tops in record time. Just make sure your ventilation is on point!