HST Series Part 2: Matty’s No-Nonsense Guide to Mainlining for Monster Buds

Oi, you structural superstars! Matty’s back, and this time we’re ditchin’ the wild and woolly for something a bit more… well, organized. So, you’ve mastered the basics of topping and low stress training? Good on ya! Ready to crank it up a notch and grow the kind of colas you’ll need two hands to carry?
Strap yourself in, because Matty’s about to walk you through the fine art of mainlining — no syringes involved, mate, just monster buds.

Mainlining (also called manifolding) is a high-impact training technique that shapes your plant into a perfect little bud factory. It’s all about symmetry, airflow, and bossing your plant around gently but firmly.

Get it right, and you’ll have a garden that looks like it belongs in a cannabis centerfold.

Mainlining technique on a cannabis plant

What’s Mainlining, Anyway?

Mainlining is basically topping + training + maths.

You create a central hub where all the main colas branch out evenly — like spokes on a wheel. Instead of one greedy cola hogging all the goodies, every bud site gets a fair crack at the light buffet.

Simple math:
More balance = fatter buds = bigger grins at harvest.

But it’s not for the faint-hearted — you’ll need a steady hand and nerves of steel.

When to Start Mainlining

Timing matters.

You want to pull the trigger when your plant has 5–6 nodes. Any earlier, and you’re basically mugging a toddler. Too late, and you’re wrestling tree trunks.

👉 Matty’s Tip:
Start around week 3–4 from seed, depending on how rowdy your plant’s getting.

How to Mainline in 4 Easy(ish) Steps

Step 1: First Top & Clean-Up

Whack the top off down to the third node.
Strip everything below that third node bare — like giving it a bad haircut on purpose.
You’ll end up with two juicy arms.

Step 2: Tie It Down

Gently train those arms out sideways.
Imagine your plant doing the YMCA dance — arms wide and proud.

Step 3: Second Top

When each arm has 3–5 nodes, top them again — back to node one or two.
Boom: 4 arms.

Step 4: Rinse and Repeat (Optional)

Feel like living dangerously?
Top again for 8 or even 16 monster colas.
(Just don’t blame Matty when your veg time triples.)

Matty’s Pro Tips for Mainlining Glory

Patience Is Key:
Don’t rush it. Top, train, then chill. Let your plant recover before giving it another hard time.
No Kung Fu Moves:
Bend stems slowly and with love. No karate chops or Hulk smashes, alright?
Support the Floppers:
If an arm looks like it’s about to faint, prop it up with soft wire or garden tape.
Symmetry Is Sexy:
Balance those arms like you’re levelling a pool table. It’ll pay off big-time later.

Advanced Tweaks (For the Real Grow Nerds)

Feeling cocky? Here’s how to take it further:

16 Cola Bonanza:
After creating 8 colas, you can top once more for 16.
Warning: Your veg phase will start to feel like waiting for Christmas.
Early Topping Shortcut:
Topping at the second node can make your plants even squatter and tougher.
(But screw it up and you’ll end up with a plant that looks like it’s been through a blender.)
Pick Your Winners:
When choosing which nodes to keep, go for the ones with thick, bossy-looking stems.
They’re your future champions.

What Can Go Wrong (And How to Rescue It)

Snap, Crackle, Pop:
Heard a branch crack?
Don’t cry into your nutrient mix — splint it gently with tape and soft ties. Plants are tougher than they look.
Sad, Droopy Plants:
After topping, if your plant looks like it’s rethinking its life choices, back off. Let it recover before hitting it again.
Floppy Stems:
Weak stems? Lower your lights a touch and get a fan blowing. Tough love, baby.

Does Strain Choice Matter?

Hell yes.
While you can technically mainline anything, some strains are more polite about it.

👉 Matty’s Hot Tip:

Indicas and hybrids love a good mainline — short, stocky, obedient.
Sativas are like teenagers — stretchy, rebellious, prone to dramatic flopping.
Autoflowers? Honestly, don’t bother. They grow too quick to survive a full mainline without having a meltdown.

Stick to photoperiod strains if you want the classic, tidy mainline structure.

Final Thoughts

Mainlining isn’t the lazy way to grow.
It’s a serious commitment — like getting a new puppy, but less poop.

If you’re willing to put in the effort (and not panic when things look ugly mid-way), you’ll be rewarded with a garden full of fat, uniform colas that’ll make your mates think you’ve been hiding some wizard powers.

Matty’s Wrap-Up

Mainlining’s not for the faint-hearted — but if you’re keen for a grow that’ll make you feel like an absolute legend, grab your snips and have a crack.
Just remember: patience, steady hands, and maybe a backup plant… just in case you get a bit too snip-happy!

Matty’s Mainlining FAQs: Your Burning Questions Answered (No Bull!)

Customer: Right, Matty, so is mainlining just a fancy way of topping?

Matty:
Nah, mate, it’s topping on steroids, with a bit of yoga thrown in for good measure. Topping’s just choppin’ off the top. Mainlining’s about choppin’ and then trainin’ those new shoots into a symmetrical beast. Think of topping as a trim, and mainlining as a full-on plant makeover.

Customer: How long does this mainlining malarkey take? Will it make my grow take ages?

Matty:
Fair question. Yeah, it’ll add a bit to your veg time, no sugar-coatin’ it. You’re spendin’ extra weeks trainin’ instead of just lettin’ her go wild. But think of it as an investment for bigger, more even yields down the track. Patience, young padawan, patience.

Customer: I’m a bit heavy-handed with the snips sometimes… what’s the worst I can do?

Matty:
Crikey, mate, go all Edward Scissorhands on your plant, and you’ll set her back big time, or worse. Be gentle! Think you’re givin’ her a massage, not a haircut from a blind barber. Slow and steady wins the race (and the big buds).

Customer: What if one of my mainlined arms is growin’ faster than the others? Is my plant a dud?

Matty:
Relax, mate. Plants ain’t robots; they’ve got their own quirks. Just keep gently trainin’ the faster one down a bit more to even things out. A bit of careful persuasion will usually do the trick. If it’s a massive difference, keep an eye on it – might just be a slightly more vigorous branch.

Customer: Can I mainline an autoflower? I’m keen for monster yields, stat!

Matty:
Mate, we touched on this in the main bit, but listen up: autoflowers are like sprinters, not marathon runners. They don’t have the time to recover from the heavy pruning that mainlining involves. You’ll likely just stress ’em out and end up with less bud, not more. Stick to photoperiods for this kinda hardcore trainin’.

Customer: My mainlined plant looks a bit bare after all that choppin’. Is that normal?

Matty:
Yeah, she’ll look a bit skinny for a while, like she’s lost a few rounds with a kangaroo. But trust the process! All that energy is gettin’ focused into those main colas. She’ll bush out in the right places eventually.

Customer: Do I need any special gear for mainlining? Just rope and snips?

Matty:
Snips are your best mate for the topping. For trainin’, soft plant ties or coated wire are good – somethin’ that won’t cut into the stems. A bit of patience and a steady hand are the most important tools in your mainlining kit, though.

Customer: What happens if I miss a topping or a tie-down? Is the whole thing ruined?

Matty:
Nah, don’t stress too much, mate. Plants are pretty resilient. Just correct it when you notice. Mainlining’s a guide, not gospel carved in stone. You can usually get things back on track with a bit of TLC.

Customer: Matty, what if I stuff up the symmetry? Will my plant still be any good?

Matty:
No worries, mate. Perfect symmetry’s the goal, but not the law. If one side’s a bit wonky, your plant’ll still grow fine — might just need a bit more TLC trainin’ to balance the weight out later. It’s like teachin’ a dog to fetch — doesn’t have to be pretty, just has to get the ball back.

Customer: Can I mainline outdoors, or is it an indoor grower’s game?

Matty:
You can mainline outdoors, mate, but you gotta watch your timing. Get started early enough in the season so she’s done veggin’ and struttin’ her stuff before she cops any weather dramas. Outdoors, you also gotta be ready for stronger winds and critters — mainlined plants are a bit more exposed at first, like a boxer dancin’ in the ring before bulkin’ up.

HST Series Part 2: Matty’s No-Nonsense Guide to Mainlining for Monster Buds
Last Updated on: June 10, 2025