STRNG Seeds – THCA Runtz

THCA Runtz is bred specifically to deliver the same flavor-rich profile as the original Runtz while aligning with THCA flower requirements—offering a compliant option with premium bag appeal and sweet aroma.

The aroma is intense and candy-like, with strong notes of tropical fruit, citrus sherbet, and a subtle creamy gas in the background. The scent thickens as buds mature.

THCA Runtz tastes like a mix of fruit candy, tropical punch, and a sugary cream finish. The inhale is sweet and smooth, while the exhale carries a citrus tang.

It’s a balanced hybrid with dense, golf-ball-sized buds and moderate internodal spacing. Expect a mix of upright growth and lateral branching with a medium stretch in flower.

It’s a flavor-packed strain that finishes with excellent color, frost, and aroma—all in a reliable structure suited for indoor or outdoor setups. It also performs consistently in post-harvest presentation.

THCA Runtz offers a deeper fruit-candy punch than most dessert strains. Where some lean creamy or gassy, this one stays sharply tropical with a clean, sugary backend.

Expect dense, round buds dusted in trichomes, with color that ranges from lime green to lavender and plenty of bright orange pistils. The frost is thick and sticky.

It typically reaches 100–130 cm indoors. It stretches moderately in early flower, so topping and canopy management are recommended for best light coverage.

THCA Runtz flowers in 8–9 weeks indoors. Outdoors, harvest typically lands around early to mid-October, depending on your region’s climate.

Yes, especially during the last three weeks of flower. Its sugary scent can easily fill a grow space, so odor control is advised for indoor cultivation.

Feminized seeds ensure you’ll only grow female, bud-producing plants—saving time and space. This version is also bred to meet THCA flower compliance while delivering premium quality.

Of course, you can see our policy HERE.

It’s manageable for beginners with basic grow experience. It tolerates moderate variation in feeding and environment, but really shines when dialed in.

Feed a balanced veg nutrient early on, then switch to a bloom formula rich in phosphorus and potassium. It appreciates light cal-mag support during mid-flower.

Its dense buds can trap moisture, so airflow and RH control are important in mid-to-late flower. That said, it’s a hardy strain with good resistance overall.

It thrives indoors with full environmental control but also does well outdoors in dry, sunny climates. In humid areas, outdoor growers should ensure spacing and airflow.

Topping and low-stress training (LST) both work well. This strain responds to shaping and spreads nicely in SCROG setups.

Aim for 700–1000 PPFD with full-spectrum LED or HPS. Strong light helps it finish dense and frosty while boosting terpene output.

Keep temps between 22–27°C. Drop humidity to 40–45% in mid- to late flower to protect against moisture issues and enhance resin development.

Water when the top 1–2 inches of soil are dry. It performs best with consistent watering and well-aerated soil—avoid extremes.