MAC 11

Mac 11 Cannabis Seeds by Pheno Finder

Mac 11 is a feminised hybrid cannabis seed that crosses Miracle Alien Cookies (MAC) with RS11, delivering frost-covered buds in roughly 9 weeks of flowering. Bred by Pheno Finder, this strain stands out for its extraordinary resin production, vivid colouring, and a fruit-forward terpene profile that genuinely follows through from nose to taste. If you want a visually jaw-dropping plant that also delivers on potency, this is the one to watch.

Why Mac 11 Seeds Deserve a Spot in Your Grow Room

Mac 11 seeds give you access to two of the most talked-about genetics in modern cannabis breeding — Miracle Alien Cookies and RS11 — combined by Pheno Finder into a single, balanced hybrid. The result is a plant that produces dense, trichome-laden flowers with vibrant lime-green buds, fiery orange pistils, and a thick coat of frost that makes every cola look like it's been dipped in sugar.

We've seen a lot of "pretty" strains come through the shop over the years. Most of them sacrifice something — flavour, potency, yield — for looks. Mac 11 doesn't. The aroma is a rich blend of fruit, citrus, and subtle spice, and the flavour follows through with sweet, tropical, and slightly piney notes. Every inhale is layered, and it's the kind of smoke that has people asking "what is that?" before you've even passed it.

Pheno Finder has a reputation for selecting phenotypes with surgical precision, and Mac 11 is proof of that craft. The balanced genetics mean you get both strength and smoothness — not a one-dimensional experience, but something with genuine depth.

Growing Mac 11 Seeds — What to Expect

Mac 11 flowers in approximately 9 weeks and produces high yields of dense, resin-coated buds. That's the good news. The honest bit: this isn't a set-and-forget strain. She needs attention — not anything extreme, but you'll want to keep a close eye on grow room conditions, particularly humidity and airflow during the later flowering weeks when those dense buds start stacking up. Mould risk is real with any trichome-heavy, dense-flowering plant, and Mac 11 is no exception.

If you've got a couple of grows under your belt, you'll handle her fine. If this is your first run, it's doable — just be prepared to monitor more closely than you would with something like a Northern Lights or a basic Skunk. Keep your environment dialled in (temperature around 20-26°C, relative humidity dropping to 40-50% in late flower), and she'll reward you generously.

The orange pistils that develop during flowering aren't just decorative — they're a visual indicator of the potency building inside those calyxes. By harvest, every bud should be covered in vibrant colour and a thick layer of trichomes.

Aroma, Flavour, and Appearance of Mac 11

Mac 11 is, hands down, one of the most visually striking strains Pheno Finder has released. The buds are lime-green with thick resin coverage and fiery orange pistils running throughout — the kind of flower that stops people scrolling. Under the right light, the trichome layer has an almost crystalline shimmer.

Crack open a cured bud and the nose hits you immediately: ripe fruit up front, a citrus sharpness in the middle, and a warm, spiced undertone sitting underneath. It's complex without being confusing. The flavour mirrors the aroma closely — sweet and tropical on the inhale, with a slightly piney, almost herbal finish on the exhale. We'd compare it to peeling a clementine next to a pine tree on a warm day. That's the best way to describe it.

If you're the type who judges a strain by bag appeal first, Mac 11 will not disappoint. And if you judge by flavour, it'll keep you coming back. That follow-through from smell to taste is something a lot of strains promise but few actually deliver.

Mac 11 vs Other MAC Crosses — How Does It Compare?

The MAC genetic line has spawned dozens of crosses over the past few years, so it's worth knowing where Mac 11 sits in the family. Compared to the original MAC 1, Mac 11 brings the RS11 influence — which adds more fruit-forward terpenes and a touch more colour to the buds. MAC 1 leans slightly more cookie-dough on the nose; Mac 11 pushes harder into citrus and tropical territory.

If you want the classic MAC experience, MAC 1 is the original. But if you want more fruit, more frost, and a slightly more generous yield, Mac 11 is the better pick. We'd choose Mac 11 for flavour chasers and growers who want that extra visual pop at harvest.

How to Grow Mac 11 Seeds

1. Germinate your Mac 11 seeds using the paper towel method or directly in a starter plug. Maintain a temperature of around 22-25°C and keep the medium moist but not waterlogged. Taproots should appear within 24-72 hours.
2. Transplant seedlings into their growing medium once the taproot is 1-2cm long. Mac 11 performs well in both soil and coco coir — soil tends to bring out more terpene complexity, while coco allows for faster nutrient uptake and slightly quicker growth.
3. During the vegetative stage, keep temperatures between 20-28°C and relative humidity around 60-70%. Mac 11 responds well to light stress training (LST) to open up the canopy and improve light penetration to lower bud sites.
4. Flip to 12/12 when your plants have filled roughly 60-70% of your canopy space. Flowering takes approximately 9 weeks. Drop humidity to 40-50% during weeks 5-9 to protect those dense, resin-heavy buds from mould.
5. Monitor trichome development with a jeweller's loupe or digital microscope. Harvest when trichomes shift from clear to mostly milky with a few amber heads — this is where Mac 11's balanced effects are at their best.
6. Dry in a dark room at 18-20°C with 55-60% humidity for 10-14 days, then cure in glass jars for at least 2 weeks. Proper curing is where Mac 11's layered terpene profile really develops — don't rush this step.

The Honest Limitations

No strain is without its quirks, and Mac 11 has a couple worth mentioning. First, she's not the most forgiving plant for beginners. Environmental swings — especially humidity spikes during late flowering — can cause problems quickly with buds this dense. You'll want decent airflow and ideally a dehumidifier if you're growing in a humid climate or a small tent.

Second, while yields are high, Mac 11 can be a hungry feeder in the later weeks of flower. Underfeeding shows up as yellowing leaves earlier than you'd expect. Keep your nutrient schedule consistent and watch for signs of deficiency from week 6 onwards. It's nothing dramatic, but it does require more attention than a straightforward indica.

That said, the payoff is worth the effort. When you pull a properly grown Mac 11 out of the jar and that fruit-citrus-spice aroma fills the room, you'll understand why Pheno Finder put the time into this cross.

Frequently Asked Questions

Last updated: April 2026