MAC Strain

How to Grow MAC

MAC, short for Miracle Alien Cookies, is a frosty, resinous indica-dominant feminized strain. It is a 55/45 indica-leaning plant with a high 23-27% THC, a citrus, spicy and woody flavor, and a happy, relaxed, munchie-inducing effect. Compact, fast and famous for its chunky, trichome-caked buds, it is a rewarding and beginner-friendly way to grow a potent, flavorful indica.

This is a feminized photoperiod strain, so every seed grows into a flowering female and you start flowering by switching the light cycle to 12/12, which lets you decide how big the plant gets before you flip it. It comes from an Alien Cookie mother crossed with a secret hybrid male, and the result is a short, sturdy, resin-heavy plant with a bright citrus-spice aroma.

Compact, productive and packed with resin, MAC is a rewarding indica to grow whether you are new to it or experienced. You can see the full details and buy MAC seeds on the strain page, and browse the rest of our feminized seeds alongside it.

Strain Profile at a Glance

THCHigh (23-27%)
LineageAlien Cookie x secret hybrid male
TypeFeminized (photoperiod)
Genetics55% Indica / 45% Sativa
ClimateTemperate
Flowering time8-9 weeks
Harvest (outdoor)October
Height3.94 ft / 1.2 m
Yield indoor1.97 oz/ft² (600 g/m²)
Yield outdoor21.16-28.22 oz/plant (600-800 g/plant)
Grow difficultyEasy, beginner-friendly
FlavorsCitrus, Spicy, Woody
EffectsHappy, Relaxed, munchie-inducing

Growing a Feminized Strain

MAC is a feminized photoperiod strain, so every seed grows into a flowering female and there is no sexing and no males to remove. Because it flowers on the light cycle rather than on age, you control the timing: keep it under long 18/6 days to grow and build the frame you want, then switch to 12 hours of light and 12 of darkness to start flowering. That control is what lets you dial in the final size and the yield.

MAC grows to a compact height of around 1.2 m with a sturdy, bushy, indica-leaning structure, which makes it ideal for small spaces and easy to manage in a tent. It takes well to simple training to spread the canopy, and it produces chunky, resin-caked buds, so give the branches a little support late in flower. Veg it to the height you want, flip it, and it finishes fast, frosty and fragrant in 8 to 9 weeks.

Climate and Where to Grow It

MAC does well in a temperate climate with a warm, steady season and good airflow, and its sturdy genetics make it adaptable and forgiving. It is comfortable both indoors in a tent and outdoors where the season is warm enough, and it is not a demanding plant to keep healthy. Outdoors in the Northern Hemisphere it is ready to harvest around October.

It is a heavy yielder for its compact size, giving around 600 g/m² indoors and a large 600-800 g per plant outdoors with good sun and space. As a short, sturdy indica of around 1.2 m it is easy to manage, so the main job is keeping the canopy open and supporting the chunky colas so light and air reach the lower buds. Its potency and heavy resin make it a standout from our high-THC seeds.

Keep humidity sensible through flowering to protect those dense, resinous buds: around 55-60% in veg, nearer 40% as the flowers fill out, and lower toward harvest. A resin-heavy indica can trap moisture inside its chunky colas, so steady airflow keeps the finish clean. Aim for daytime temperatures around 68-80°F (20-27°C), and keep the air moving around the thick buds right through the final weeks.

Feeding Schedule (EC Guide)

MAC is a hungry, high-yielding plant that responds well to steady, balanced nutrition. Build the feed up gradually through veg, push phosphorus and potassium once it is in flower to fuel those chunky, resinous buds, then taper off for the final flush so the citrus, spice and woody notes come through clean. The ranges below are a starting guide; adjust to your water and medium.

StageEC (mS/cm)Notes
Seedling0.4-0.6Very light feed while roots establish
Vegetative0.8-1.2Raise nitrogen as the plant builds size
Early flower1.2-1.4Shift toward bloom nutrients (P and K)
Full flower1.4-1.6Peak bloom feed while the buds swell
Flush0.0-0.4Plain water for the final 1-2 weeks

Flowering and Harvest

Once you switch MAC to a 12/12 light cycle it flowers in about 8 to 9 weeks, fast for a strain of this potency and yield. It fills out with chunky, resin-soaked, trichome-caked buds on a compact indica frame, developing a bright citrus and spice aroma over a woody base. Outdoors in the Northern Hemisphere it is ready to harvest around October, and the frosty, white-tipped buds are a sight well worth the wait.

Yields are heavy for the plant’s size: around 600 g/m² indoors and a large 600-800 g per plant outdoors with good sun and space. Keep the chunky colas supported and the canopy open so the lower buds get light, feed it steadily through flower, and harvest when most of the trichomes have turned cloudy with a few amber for the fullest citrus-spice flavor and the most rounded effect.

Drying and Curing

Dry whole plants or branches in a dark room at around 60°F (15-18°C) and 55-60% humidity for 7-14 days, until the thin stems snap rather than bend. A slow, even dry matters with such dense, resinous buds, because they can stay damp in the middle while the outside dries, and a gentle dry protects the bright citrus-spice aroma and the frosty look.

Then cure the trimmed buds in sealed jars, burping them daily for the first week and letting them settle for three to four weeks. A proper cure is what brings out the citrus, spicy and woody notes and smooths the smoke, turning a freshly dried harvest into a rich, well-rounded, flavorful indica.

What to Do With Your Trim

Don’t bin the sugar leaves you remove while manicuring. MAC is one of the frostiest, most resinous plants you can grow, so its trim is excellent for dry sift, bubble hash or rosin. That heavy resin and bright citrus-spice aroma make the trim genuinely valuable, turning offcuts into a potent, flavorful concentrate run.

Flavor and Terpenes

MAC leads with a bright citrus and spice flavor over a woody, earthy base, a rich and lively profile that keeps its frosty good looks matched by a full taste. It is a smooth, flavorful smoke, and a good cure really brings that citrus-spice character forward in the jar and on the inhale.

Its terpene profile shapes that flavor. Limonene drives the bright, zesty citrus note, while caryophyllene adds the warm, peppery spice and humulene brings a deep, woody, earthy quality. A touch of delta-3-carene lifts the profile with a fresh, piney edge. Together these terpenes frame the citrus, spicy and woody character MAC is known for.

Effects and Best Use

With its high 23-27% THC and indica-leaning 55/45 make-up, MAC delivers a strong, well-balanced experience. It is reported as happy and relaxed with a munchie-inducing edge, pairing a bright, upbeat head with a comfortable, settled body, which makes it a versatile strain for the later part of the day. Its potency runs high, so a little goes a long way.

That happy, relaxed, munchie-inducing profile makes it an easygoing strain for unwinding and enjoying good company, good food and its bright citrus-spice flavor. The combination of a fast, compact, high-yielding grow, a potent balanced effect and that frosty, resinous character is exactly why MAC has such a strong following.

Common Problems and Pro Tips

MAC is a forgiving, beginner-friendly plant, so the main thing to protect is its dense, resinous buds. Those chunky colas can trap moisture in late flower, so keep the air moving, hold humidity down as the flowers fill out, and defoliate a few of the largest fan leaves in mid-flower so light and air reach the lower buds. A clean, dry finish protects both the aroma and the heavy resin.

Because it is a heavy yielder on a compact frame, support the branches so they do not fold under the weight of the resin-caked buds. Start seedlings gently to avoid transplant stress, feed steadily through its fast flower, and let its sturdy genetics do the rest; it is an easy plant to keep healthy and finishes quickly in 8 to 9 weeks.

As a pro tip, make the most of that heavy resin by saving the trim for concentrates, and protect the terpenes: go gentle on the nutrients late, finish with a proper plain-water flush, and give it a full three to four week cure. Harvest when most trichomes are cloudy with a few amber for a rich, balanced result with the citrus-spice flavor and frosty looks this strain is prized for.

MAC Seeds

FAQ

Is MAC a feminized strain?

Yes. MAC is a feminized photoperiod strain, so every seed grows into a flowering female and there is no sexing and no males to remove. Because it flowers on the light cycle rather than on age, you veg it under long 18/6 days for as long as you like, then switch to 12/12 to start flowering, which lets you control its final size and yield.

How much THC does MAC have?

MAC is a high-THC strain, testing from around 23% up to 27% depending on the phenotype and how it is grown. Combined with its indica-leaning 55/45 genetics, the result is a happy, relaxed, munchie-inducing effect. Because the potency runs high, it is worth dosing carefully, especially if you are newer to strong, resinous strains.

How long does MAC take to flower?

MAC flowers in about 8 to 9 weeks once you switch it to a 12/12 light cycle indoors, which is fast for a strain of this potency and yield. Outdoors in the Northern Hemisphere it is ready to harvest around October. A cool, well-ventilated finish helps bring out both the citrus-spice aroma and the frosty, trichome-caked look.

What does MAC taste like?

MAC has a bright citrus and spice flavor over a woody, earthy base. Limonene drives the zesty citrus note, caryophyllene adds a warm, peppery spice, humulene brings a woody depth, and a touch of delta-3-carene adds a fresh, piney lift. A proper three to four week cure really brings that citrus-spice character forward on the inhale.

How much does MAC yield?

MAC is a heavy producer for its compact size, giving around 600 g/m² indoors and a large 600-800 g per plant outdoors with good sun and space. Support the chunky colas, keep the canopy open, feed it steadily through flower, and give it good light so the resin-caked buds develop fully and heavy right down the plant.

Is MAC good for beginners?

Yes. MAC is beginner-friendly: it is a sturdy, forgiving feminized plant with no sexing to worry about, a compact height and a fast 8 to 9 week flowering. Just keep the air moving around its dense buds and support the heavy colas late in flower, and a first-time grower can get a frosty, potent harvest from it.

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