Blue Pyramid

Blue Pyramid Feminized Seeds — Blueberry Speed and Weight from Pyramid Seeds

Blue Pyramid is a feminized cannabis seed from Pyramid Seeds that delivers up to 600 grams of resin-coated, indica-dominant buds at 22% THC in just 50-55 days of flowering. Built from carefully selected Blueberry genetics, this strain combines compact growth, genuine blue colouration, and a harvest timeline that lets you fit extra cycles into your year. Five feminized seeds per pack.

Why Blue Pyramid Feminized Seeds Deserve Your Tent Space

We've seen dozens of Blueberry crosses come and go since we started stocking seeds — most of them trade on the name without delivering the goods. Blue Pyramid is one of the few that actually backs it up. Pyramid Seeds spent serious time selecting from the Blueberry line, and the result is a plant that stays compact enough for a 60x60 or 80x80 tent while pushing yields that rival strains twice its size. That's the pitch, and from what growers report back to us, it holds up.

The real selling point is the flowering speed. At 50-55 days, you're looking at a harvest window that's a full 10-15 days shorter than most strains in the 600-gram yield bracket. That's not just about impatience — shorter cycles mean fewer weeks of pest pressure, lower electricity costs, and less time for nutrient issues to snowball. If you're running a perpetual setup or trying to squeeze three harvests into a year instead of two, those extra days add up fast.

Then there's the colour. Drop your night temperatures below 15°C during the last two weeks of flower and the anthocyanins in the Blueberry genetics kick in — deep blue and purple hues spread across the fan leaves and into the buds themselves. It's not just cosmetic, either. That resin production at 22% THC means you're getting dense, sticky flowers that trim beautifully and cure into something genuinely impressive to look at and smoke.

Blue Pyramid Specifications

Growing Blue Pyramid Feminized Seeds — What to Expect

Blue Pyramid grows like a textbook indica — short internodal spacing, broad fan leaves, and a bushy structure that responds well to low-stress training. In a smaller tent, you won't need to fight it for headroom the way you would with a sativa-leaning hybrid. That compact frame also means the canopy stays relatively even without much intervention, which is a bonus if you're running a SOG setup or just don't want to spend every evening tucking branches.

One honest limitation: compact indicas with dense bud structure can be magnets for humidity issues in the final weeks of flower. If your grow space sits above 60% RH during late bloom, you'll want to stay on top of airflow. A decent oscillating fan and proper extraction make all the difference. We'd rather tell you now than have you find out when you spot the first signs of bud rot two days before harvest.

The colour trick is real, but it's not automatic. You need cooler night temperatures — around 10-15°C — during the last 10-14 days of flowering to trigger those blue and purple hues. If you're growing in a warm climate or a tent that runs hot, you might not see much colour shift. The buds will still be excellent; they just won't look as dramatic on your drying rack.

How to Grow Blue Pyramid Seeds

1. Germinate your Blue Pyramid feminized seeds using the paper towel method or directly in a starter plug. Taproots typically appear within 24-72 hours.
2. Transplant seedlings into their final containers once the first true leaves appear. A 7-11 litre pot works well for the compact growth structure.
3. Maintain 18/6 light during vegetative growth. Blue Pyramid doesn't need a long veg period — 3-4 weeks is enough to build a solid frame before flipping.
4. Switch to 12/12 to trigger flowering. The 50-55 day bloom period starts from the first visible pistils, not from the light flip.
5. Feed with a standard bloom nutrient schedule. The dense bud sites appreciate adequate phosphorus and potassium, but don't overfeed — shorter flowering strains are less forgiving of nutrient lockout because you have fewer days to recover.
6. In the final 10-14 days, drop night temperatures to 10-15°C if you want the signature blue colouration. Keep humidity below 50% to protect those dense, resin-heavy buds.
7. Harvest when trichomes show mostly milky with some amber. Dry slowly at 18-20°C and 55-60% humidity for 7-10 days, then cure in jars for at least two weeks.

Blue Pyramid vs Other Fast-Flowering Indicas

If you're comparing Blue Pyramid to other quick-finishing indicas, the numbers tell the story. Most strains that promise 600 grams need 60-70 days of flower minimum. Blue Pyramid shaves 10-15 days off that timeline without dropping yield or potency. Compared to a standard Blueberry photoperiod — which typically runs 56-65 days and sits around 18-20% THC — you're getting a faster finish and a higher THC ceiling.

The trade-off? Blue Pyramid's compact structure means it doesn't stretch much, so if you're used to training tall plants to fill a SCROG net, you'll need to adjust your approach. It's best suited to SOG setups or smaller tents where vertical space is limited. For larger spaces where you want big, sprawling plants, something like a Critical or Big Bud might use the room more efficiently — but you'll be waiting longer for your harvest.