Watermelon Auto delivers a candy-sweet watermelon nose with a smooth gassy undertone, all in a fast autoflowering frame. Mavericks Genetics built it on Tropicana Cookies x Lemon OG genetics and gave it a small Ruderalis share for automatic flowering. The result is a compact, resin-rich autoflower with green buds touched by purple and 18–20% THC, a friendly potency range for many consumers.
The flowers are compact and dense, with lush green color accented by subtle purple tones as the plant matures. A rich coat of resin gives them a glossy finish and a strong, sweet scent.
Like every Mavericks Superior Auto, Watermelon Auto needs no light switch: run 18/6 or 20/4 from sprout to chop. The breeder lists 6–7 weeks of flowering and a full cycle of about 60–90 days from sprouting, with yields up to 500 g/m² (1.64 oz/ft²) indoors and around 150 g/plant (5.3 oz/plant) outdoors.
Watermelon Auto Lineage
Tropicana Cookies brings bright fruit, sweetness and colorful flowers, while Lemon OG adds fuel, structure and a touch of citrus. Together they produce the sweet-meets-gas character that defines Watermelon Auto. The Ruderalis component, around 5%, handles the autoflowering trait.
Mavericks lists the plant at 75% Indica, 20% Sativa and 5% Ruderalis, so expect a short, stocky frame with tight internodes.
Aroma, Flavor and Effect
The aroma is sweet and inviting, led by candy-like watermelon with a smooth gas note underneath. It smells like a watermelon hard candy with a hint of fuel in the background.
The flavor follows: sugary fruit on the inhale and a gentle gassy finish on the exhale. The sweetness holds up well through slow curing.
With 18–20% THC and a mostly Indica makeup, expect a mellow, body-leaning experience rather than a racing head high. It makes a solid choice for relaxed afternoons and evenings, and the moderate potency suits less experienced consumers.
Growing Watermelon Auto Indoors and Outdoors
Indoors, start seeds in their final pots and run the lights on 18/6 or 20/4 for the whole cycle. The compact frame makes Watermelon Auto easy to fit in small tents or under a single LED. Light LST helps spread the canopy, while topping and heavy defoliation are better avoided on such a short cycle. Keep humidity moderate as the dense buds swell.
Outdoors, the plant stays small and discreet, with Mavericks listing around 150 g/plant (5.3 oz/plant). That modest size makes it a fit for balconies, patios and short seasons, and the quick turnaround allows several crops in a warm year.
Watch trichomes for timing and harvest when most are cloudy. A slow dry keeps the watermelon candy notes at their peak.
Watermelon Auto Characteristics
| Strain type | Autoflowering feminized |
| Genetics | Tropicana Cookies x Lemon OG |
| Indica/Sativa | 75% Indica / 20% Sativa / 5% Ruderalis |
| THC | 18–20% |
| Effect | Mellow, body-leaning, relaxed |
| Aroma/Flavor | Candy watermelon, smooth gas |
| Indoor yield | Up to 500 g/m² (1.64 oz/ft²) |
| Outdoor yield | Around 150 g/plant (5.3 oz/plant) |
| Flowering time / Seed to harvest | 6–7 weeks of bloom; about 60–90 days from sprouting |
| Cola color | Green with purple tones |
| Feminization rate | 99% |
| Best cultivation technique | Compact SOG or light LST, 18/6 or 20/4 light |
FAQ
Is Watermelon Auto Indica or Sativa?
It is Indica-dominant: Mavericks Genetics lists 75% Indica, 20% Sativa and 5% Ruderalis.
What are the parents of Watermelon Auto?
The breeder lists Tropicana Cookies x Lemon OG, with Ruderalis added for autoflowering.
How long does Watermelon Auto take from seed to harvest?
Flowering lasts 6–7 weeks, and the full cycle runs roughly 60–90 days from sprouting depending on conditions.
What light schedule does it need?
No 12/12 switch is required. Keep it on 18/6 or 20/4 for the entire grow.
How strong is Watermelon Auto?
Mavericks Genetics rates Total THC at 18–20%, a moderate level that suits many consumers.
How much does it yield?
Up to 500 g/m² (1.64 oz/ft²) indoors and around 150 g/plant (5.3 oz/plant) outdoors, where it stays small and discreet.
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