Pineapple Jack by Sensi Seeds

Pineapple Jack Strain Info

Imagine the legendary Jack Herer crashing a beach party with a tropical twist—Pineapple Jack is exactly that kind of vibe.

This bold sativa-dominant blend comes from the masterminds at Sensi Seeds and Serge Cannabis, combining the cerebral energy of Jack Herer with the sweet, creamy charm of the mysterious Piña Colada strain.

It’s like sunshine in bud form, bursting with flavor and built for good times and clear-headed focus.

Born from two iconic parents, this strain holds its heritage with pride—on one side, the energetic and uplifting Jack Herer, and on the other, the indica-kissed Piña Colada, adding a tropical breeze and mellow afterglow.

Growers, get ready for a stretch—Pineapple Jack doesn’t play small.

She’s got that lanky, elegant look that screams sativa, often shooting up to 160 cm (5.2 ft) indoors and reaching an impressive 300 cm (9.8 ft) under natural sunlight.

The structure is classic Christmas tree, with thin, razor-like leaves that fan out over every inch of the plant, including the buds.

The flowers might look a bit airy and foxtailed at first glance, but don’t be fooled—they’re surprisingly dense and absolutely packed with sticky trichomes just waiting to be turned into golden extracts.

Those sugar leaves shimmer like frosted glass, making trimming feel more like unwrapping treasure than a chore.

Flowering Time & Yield

This strain might take its time, but it sure pays off—flowering runs between 60 to 70 days, and the results are well worth the wait.

Indoor growers can expect a monster yield of 460 to 650 grams (16.2 to 22.9 oz) per square meter of rich, flavorful bud.

Step outside into the sun, and you’re looking at 560 to 640 grams (19.8 to 22.5 oz) per plant, assuming the climate’s right—think warm, Mediterranean summers with plenty of light.

This isn’t your average bushy indica—it’s a tall drink of water that needs space to stretch and breathe, but rewards patience with generous, resin-packed harvests.

Effects and Aroma

From the first whiff, Pineapple Jack teases your senses with a piney, fresh scent that slowly opens into something more exotic.

Once cured, those buds start singing with notes of citrus, pineapple, and a light haze of diesel and ammonia—like slicing into a tropical fruit salad on a sun-soaked porch.

The flavor follows suit: inhale a creamy, pineapple wave that dances across your tongue, then exhale to find a spicy, citrusy kick that lingers like the memory of a good beach day.

And the high?

It starts like a lightning bolt to the brain, energizing, creative, focused—perfect for kicking off projects, jam sessions, or deep convos that stretch into the night.

Then, as the buzz hums along, a gentle body relaxation sets in—not enough to glue you to the couch, but just enough to soften the edges and keep stress at bay.

THC levels hit hard, though the exact numbers aren’t listed, so newbies might want to tread lightly.

But for the experienced stoner looking for a heady high with tropical flavor and just the right amount of chill, this strain checks all the boxes.

And of course, Pineapple Jack comes as feminized cannabis seeds, so you won’t have to worry about any unwanted males sneaking into your grow room.

If you’ve got the space and the skills, this is one of those cannabis seeds that delivers a real payoff—big, bold, and unforgettable.

Pro Tips & Grower Insights

We’ve found that Pineapple Jack really shines when given plenty of vertical space to stretch—this isn’t a strain you want to cram into a tiny grow tent.

If you’ve got the height, techniques like mainlining, lollipopping, or SCROG can help you make the most of her structure and boost those already massive yields.

On the flip side, her thin lateral branches don’t respond well to supercropping or a classic sea of green approach, so it’s better to avoid those methods here.

She does prefer a warm, sunny environment—think Mediterranean vibes—with long, dry summers and stable temperatures between 20–28°C (68–82°F).

Outdoors, she needs consistent light and airflow to avoid moisture buildup, especially during those later flowering weeks.

Luckily, this strain has a decent resistance to pests and common mold issues, as long as you don’t let things get too humid or overcrowded.

We wouldn't recommend Pineapple Jack for total beginners—it’s not overly finicky, but the height, density, and trimming can be a bit much if you’re just getting started.

What really grabs our attention with this strain is that contrast—she looks lanky and wild, but underneath all that foliage is a compact powerhouse of dense buds dripping with resin.

Every harvest feels like a surprise party, full of rich aromas, shimmering sugar leaves, and that unmistakable Jack energy wrapped in a tropical disguise.

Strain Characteristics

Strain Name: Pineapple Jack

Seedbank: Sensi Seeds

Genetics: Jack Herer x Piña Colada

Type: Feminized

Dominance: Sativa-dominant hybrid (70% Sativa, 30% Indica)

Height Indoor: 110–160 cm (3.6–5.2 ft)

Height Outdoor: Up to 300 cm (9.8 ft)

Flowering Time: 60–70 days

Yield Indoor: 460–650 g/m² (16.2–22.9 oz)

Yield Outdoor: 560–640 g/plant (19.8–22.5 oz)

Difficulty: Medium

Climate: Warm, sunny, Mediterranean

Resistance: Good resistance to pests and mold

Aroma: Pine, citrus, tropical pineapple, diesel, ammonia

Flavor: Creamy pineapple, citrus, spicy herbal finish

Effects: Uplifting, creative, focused, mellow body high

Best for: Daytime use, creativity, productivity without stress

Pineapple Jack FAQ

Is Pineapple Jack sativa or indica?

Pineapple Jack is a sativa-dominant hybrid, with about 70% sativa and 30% indica in its genetic makeup.

That means it brings the energizing, uplifting effects typical of sativas, like mental clarity and creativity.

At the same time, it still offers a mild indica influence, giving a touch of body relaxation without making you feel sluggish or sleepy.

In terms of structure, sativas like Pineapple Jack usually grow taller and more stretched out, while indicas tend to be shorter and bushier.

How tall does Pineapple Jack grow?

Indoors, Pineapple Jack can reach heights of 110 to 160 cm (3.6 to 5.2 ft), depending on conditions and training.

Outdoors, she can stretch all the way up to 300 cm (9.8 ft), so she’s definitely not for small balconies or cramped spaces.

How much does Pineapple Jack yield?

Indoor growers can expect between 460 and 650 grams (16.2 to 22.9 oz) per square meter with proper care and lighting.

Outdoors, a single plant can yield 560 to 640 grams (19.8 to 22.5 oz), especially in warm, sunny climates.

Is Pineapple Jack hard to grow?

Pineapple Jack isn’t the toughest plant to grow, but her height, dense foliage, and trimming needs make her better suited for intermediate or experienced growers.

She responds well to training techniques like mainlining or SCROG, but not so much to supercropping or SOG methods.

Does Pineapple Jack resist mold and pests?

Yes, Pineapple Jack has good natural resistance to mold and common pests, especially when grown in dry, well-ventilated environments.

Still, regular monitoring and proper airflow are key, especially during the later stages of flowering when the buds get thick and resinous.

What climate is best for Pineapple Jack?

Pineapple Jack thrives in warm, Mediterranean-style climates with long summers and consistent sun exposure.

Temperatures between 20–28°C (68–82°F) are ideal for optimal growth and yield.