Mack and Crack Auto comes from MAC and Green Crack genetics. This combination creates a Sativa-dominant autoflower with vigorous growth, strong lateral branching, dense flower development, and substantial resin and yield potential.
Seedstockers developed this strain.
We really like this strain because it combines energetic cerebral effects with a calmer physical finish. The plants develop a large, open structure for an autoflower, producing heavy flowers with colorful pistils and a thick layer of resin.
This Autoflowering variety is productive, vigorous, and relatively easy to manage. Mack and Crack Auto seeds are a strong choice for growers looking for high THC, substantial yields, strong aromas, and an active effect that remains balanced by physical relaxation.
Effects
The effects begin quickly with a strong cerebral buzz. Mental activity increases while attention, motivation, and awareness become more noticeable.
As the experience develops, a calm wave of physical relaxation begins to balance the mental stimulation. The body feels more comfortable without becoming excessively heavy or sedated.
We think this strain works especially well during daytime or late-afternoon sessions. Its combination of uplifting energy and manageable physical calm fits creative work, music, social activities, and tasks that benefit from an active headspace.
Flavor
The flavor opens with sharp Diesel and fuel-like notes. Creamy nuances appear shortly afterward, softening the profile before citrus and subtle berry notes develop in the background.
The smoke feels thick and full on the palate. The Diesel character remains dominant, while the cream, fruit, and citrus elements produce a smoother and more layered finish.
Mack and Crack Auto combines Diesel, cream, citrus, berries, and subtle herbal notes into a bold aromatic profile that remains noticeable after each exhale.
Mack and Crack Auto Characteristics
| Strain type | Autoflowering feminized |
| Genetics | MAC x Green Crack |
| Indica/Sativa | Sativa dominant |
| THC | 25–28% |
| Effect | Energetic, uplifting, physically relaxing |
| Flavor | Diesel, creamy, citrus, berry |
| Indoor yield | 150–300 g/plant (5.3–10.6 oz/plant) |
| Flowering time | Approximately 11 weeks from seed |
| Height | Up to 100 cm (39 in) |
| Structure | Stretchy with strong lateral branching |
| Bud appearance | Dense, frosty flowers with colorful pistils |
| Difficulty level | Easy |
| Best cultivation technique | SCROG, Sea of Green, and selective defoliation |
FAQ
Is Mack and Crack Auto seeds Indica or Sativa?
It is a Sativa-dominant autoflower. Its effects combine strong cerebral stimulation with a calmer and more balanced physical sensation.
What terpenes does this strain have?
Its terpene profile produces Diesel, creamy, citrus, berry, and subtle herbal aromas. Exact terpene concentrations may vary depending on the phenotype and growing conditions.
Is this strain good for beginner growers?
Yes. It is relatively forgiving and easy to cultivate, although controlling its stretch, branch structure, feeding, and airflow can improve final results.
How to grow Mack and Crack Auto seeds?
Provide strong lighting, stable nutrition, and enough space for lateral growth. SCROG, Sea of Green, and selective defoliation can improve light distribution and support its heavy flowers.
How much can Mack and Crack Auto yield?
Under suitable conditions, it can produce approximately 150–300 g per plant, although final yield depends on phenotype, environment, lighting, and cultivation experience.
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