STRNG Seeds – MK Ultra
$10.00
A sophisticated blend of earthy pine flavors and strong genetics, ideal for indoor enthusiasts.
- Free shipping on orders $30+
- Ships within 24 hours
MK Ultra, crafted from OG Kush and G13 genetics, is an indica-dominant strain known for its earthy, pine-forward profile. With a flowering time of 8–9 weeks, it thrives indoors, offering yields of 350–450 g/m².
Compact and manageable, it is an excellent choice for growers seeking high-quality results in smaller spaces.
We are proudly based in Colorado and all our seeds come from local farmers.
| Genetic Background: | OG Kush x G13 |
|---|---|
| THC: | |
| CBD: | Low |
| Sativa: | 30% |
| Indica: | 70% |
| Flavor: | Earthy, Pine, Woody |
| Effect: | Uplifting, Relaxing, Sleepy, Calming |
| Breeder Location: | Colorado |
| Yield indoor: | 350-450 g/m² |
|---|---|
| Yield outdoor: | 400-500 g/plant |
| Flowering time: | 8-9 weeks |
| Height indoor: | 100-120 cm |
| Height outdoor: | 100-120 cm |
| Harvest Month: | October |
MK Ultra is prized for its dense bud structure, fast flowering time, and ease of cultivation, making it a reliable choice for indoor and outdoor growers alike.
It performs well in both environments, but indoor setups allow for more consistent environmental control and tighter bud formation.
MK Ultra typically flowers in 8 to 9 weeks after switching to a 12/12 light schedule.
Yes, our seeds are under the 2018 Farm Bill. Click HERE to learn more.
Yes, it develops a pungent, earthy aroma during flowering, so odor control is recommended for indoor grows.
Yes, its sturdy structure and low-maintenance needs make it a great option for first-time or casual growers.
Mature plants develop dense, chunky buds with frosty trichomes and a broad-leafed indica structure.
Both—it’s known for its ease of growth and consistent results, making it a go-to for dependable harvests.
Yes, all STRNG Seeds batches are third-party tested for germination rate, genetics, and overall quality.
Yes, it’s a workhorse variety that delivers reliable results across multiple cycles without needing special conditions.
Yes, all MK Ultra seeds sold in our store are feminized to ensure you grow flowering plants only.
Feminized seeds reduce wasted time and space by eliminating the need to identify and remove male plants.
Yes, as a photoperiod strain, MK Ultra can remain in vegetative growth until you initiate the flowering cycle.
MK Ultra typically shows signs of flowering 7 to 14 days after switching to a 12-hour dark period.
No, feminized MK Ultra seeds have a very low chance of producing male plants under normal growing conditions.
Yes, MK Ultra performs well under full-spectrum LEDs, producing dense buds and enhanced resin content.
Topping, LST, and SCROG all work well with MK Ultra, which has strong lateral branches and good canopy structure.
Moderate defoliation in early flowering can help improve light penetration and airflow without stressing the plant.
Water when the top 2–3 cm of soil feels dry. Avoid overwatering, especially in early stages of growth.
It has moderate nutrient needs. A balanced feeding schedule works best to avoid tip burn or deficiencies.
| Spend | Get |
| $ 45 | 1 Free Seed |
| $ 100 | 2 Free Seeds |
| $ 150 | 3 Free Seeds |
| $ 200 | 4 Free Seeds |
| $ 250 | 5 Free Seeds |
| $ 300 | 6 Free Seeds |
| $ 350 | 7 Free Seeds |
