Auto MacMelon Autoflowering Seeds – DNA Genetics’ Sweet, Fast & Compact Hybrid

Auto MacMelon by DNA Genetics is a fast-finishing, compact autoflower that packs a juicy punch of melon, citrus, and tropical sweetness—perfect for growers who want consistent, flavorful harvests without the wait.

Ever feel like your autoflowers are all over the place—some tall, some stunted, some taking forever to finish? You’re not alone. Inconsistent genetics or unpredictable growth can turn your grow from a chill hobby into a guessing game.

That uncertainty kills your confidence. You start doubting your setup, your nutrients, even your watering schedule—when the real issue might be the seed itself. Wasted time, wasted space, and harvests that never quite match the hype.

Auto MacMelon solves that. Bred by the legendary DNA Genetics, it’s a stable, uniform autoflower that delivers predictable size, timing, and flavor every single time—so you can grow with confidence, not crossed fingers.

Why Auto MacMelon gives you reliable, repeatable results

DNA Genetics didn’t just slap an “auto” label on this one. Auto MacMelon comes from elite photoperiod MacMelon genetics crossed with a robust autoflowering line, creating a plant that’s genetically locked in for consistency. Its compact structure and tight internodal spacing mean it responds predictably to light and nutrients, with minimal stretch during flowering.

Because it finishes in a tight 9–10 week window from seed, you can plan your grows like clockwork—no more waiting around wondering if it’s ready. And since it stays short and bushy, it’s ideal for small tents, balconies, or stealthy outdoor spots where discretion matters.

Factors that influence your results—and how Auto MacMelon helps you control them

• Pot size: Start in its final 18–27 L (4.75–7.1 gal) pot to avoid transplant shock—this auto hates root disturbance.
• Light schedule: Run 18–20 hours of light daily from day one; Auto MacMelon thrives on consistency, not photoperiod switches.
• Watering rhythm: Its compact root zone dries faster—water lightly but frequently to avoid over/under-watering swings.
• Nutrient strength: Low to moderate feeders; too much causes nutrient lockout. Stick to mild, organic formulas like Advanced Nutrients OG Organics Kit for smooth uptake.
• Airflow: Dense buds need good ventilation—use oscillating fans indoors or plant in breezy spots outdoors to prevent mold.
• Harvest timing: Trichomes shift fast in the final week. Check daily from week 8 to catch your ideal effect window.

Recommended routine for flawless harvests every time

1. Germinate seeds in a X-Seed organic vegan germinator at 22–25°C (71.6–77°F) and 70% RH.
2. Transplant directly into a 20 L (5.3 gal) fabric pot with light, airy soil like Light Mix BioBizz.
3. Run 20/4 lighting from seed to harvest; keep temps at 22–26°C (71.6–78.8°F) and RH 50–60%.
4. Feed mild nutrients from week 2; ramp up slightly at week 4, then taper off by week 7.
5. Flush with plain pH’d water for 7–10 days before harvest to clean the flavor.
6. Harvest when 70–80% of trichomes are milky for a balanced, uplifting effect.
7. Dry at 18–22°C (64.4–71.6°F) and 55% RH for 7–10 days, then cure in jars for 2–3 weeks.

Advantages and benefits of that consistency

• Plan back-to-back grows with confidence—no more guessing when it’ll finish.
• Maximize small spaces with uniform, compact plants that fit your tent perfectly.
• Less stress, fewer mistakes, and more predictable yields every cycle.
• Enjoy the same delicious melon-citrus flavor and smooth effect harvest after harvest.
• Build your grower intuition faster—when the plant behaves consistently, you learn quicker.

Technical specifications

• Breeder: DNA Genetics
• Type: Autoflowering
• Genetics: MacMelon (photoperiod) × Ruderalis
• Dominance: Indica-dominant hybrid
• Flowering time: 9–10 weeks from seed to harvest
• Indoor yield: 450–550 g/m² (14.8–18.1 oz/ft²)
• Outdoor yield: 60–100 g/plant (2.12–3.53 oz/plant)
• Indoor height: 60–90 cm (23.62–35.43 in)
• Outdoor height: 70–100 cm (27.56–39.37 in)
• Difficulty: Low
• Structure: Compact, bushy, short internodes, minimal stretch
• Ideal climate: Temperate to Mediterranean; tolerates mild heat but not high humidity
• Resistance: Moderate resistance to pests; low resistance to mold—ensure airflow
• Training: Not suited for topping or FIM; light LST only in early veg
• Recommended pot: 18–27 L (4.75–7.1 gal) final pot from start
• Light: 18–20 hours daily throughout cycle
• Smell in grow: Medium—fruity and sweet; carbon filter recommended indoors
• THC: Approx. 18–22%
• CBD: <1%
• Aromatic profile: Limonene, myrcene, caryophyllene
• Flavor: Sweet honeydew melon, citrus zest, tropical fruit
• Effect: Balanced—uplifting cerebral buzz with gentle body relaxation; ideal for daytime or social use

Frequently Asked Questions

What if my Auto MacMelon is growing taller than expected?

Excess light intensity or high temps during early veg can cause slight stretch. Keep lights at proper distance and temps under 26°C (78.8°F). Remember—autos can’t be topped, so prevention is key.

How do I know I’m feeding it correctly?

Watch the leaves: dark green = too much nitrogen; light green = just right. Start at ¼ strength and increase slowly. If in doubt, underfeed—it’s safer than overfeeding with autos.

Can I grow it outdoors in a humid climate?

It’s possible, but risky. Auto MacMelon’s dense buds trap moisture. If you must, plant in full sun with excellent airflow, avoid evening watering, and consider foliar sprays like Trabe Urtifer Ortiga for natural mold resistance.

Personal Experience of Pevgrow’s CEO (Alan)

I’ve tested dozens of autos, and Auto MacMelon stands out for its reliability. I grew three side-by-side in a 1m² tent under LED—same pot, same feed—and they finished within 2 days of each other, all around 85 cm tall. The flavor? Like biting into a sun-ripened melon with a splash of lime. I harvest when trichomes are mostly milky with a few amber—gives me that perfect creative buzz without couch-lock. Pro tip: don’t overwater during flowering; their roots are shallow, and soggy soil kills flavor fast. This one’s a keeper for small-space growers who want DNA Genetics quality without the photoperiod hassle.