White Runtz Fast – Humboldt Seed Organization (Feminised)


A fast-flowering version of the iconic White Runtz delivering creamy fruit flavour, heavy yields, and easy-grow performance for indoor and outdoor cultivation.


Introduction:

White Runtz Fast is a feminised, fast-flowering hybrid from Humboldt Seed Organization, developed by crossing a standout White Runtz phenotype with an uncirculated elite OG auto. This 70% indica-dominant strain preserves the original’s candy-sweet flavour, dense trichome coverage, and striking bag appeal while finishing faster and with greater reliability. It is designed for flavour enthusiasts and commercial growers seeking premium results with reduced turnaround time.


Strain Information:

Strain Name: White Runtz Fast

Breeder: Humboldt Seed Organization

Lineage: White Runtz x Uncirculated OG Auto

Genetics: 70% Indica / 20% Ruderalis / 10% Sativa

Seed Type: Feminised

Flowering Type: Fast Flowering (Photoperiod with ruderalis influence)

Flowering Time: 7–8 weeks indoors; early October outdoors

Effect: Euphoric, calming, body-relaxing with a happy cerebral lift

Aroma: Sweet tropical candy, creamy gas, and earthy vanilla

Taste: Fruity candy, creamy citrus, herbal fuel

Height: Medium (100–150 cm)

Yield: Indoors: 450–550 g/m²; Outdoors: 900–1200 g/plant

THC Content: High (20–25%)

CBD Content: Low


Strain Description:

White Runtz Fast delivers the defining qualities of the original strain in a quicker, more efficient format. The buds are compact, crystal-coated, and often display vibrant purple and green tones. Its effects balance uplifting euphoria with smooth body relaxation, making it suitable for social settings or creative downtime. The flavour-forward nature and strong potency make it a standout dessert-style cultivar.


Growing Information:

White Runtz Fast is easy to cultivate and highly resilient, making it suitable for growers of all experience levels. Indoors, it completes flowering in just 7–8 weeks and responds well to low-stress training and topping. Outdoors, it performs best in temperate to warm climates and finishes by early October. Strong branching and rapid development make it suitable for SOG and SCROG setups as well as wide outdoor grows.


Flavour and Aromas:

This strain delivers a rich sensory profile dominated by sweet and creamy candy tones. Expect fruity candy, citrus zest, and soft vanilla-gas on the nose, followed by a smooth, flavourful smoke with herbal fuel notes on the exhale. Its dessert-style character makes it highly appealing to flavour-focused users.


Strain Lineage:

White Runtz is a celebrated hybrid of Gelato and Zkittlez, known for its sugary aroma, creamy texture, and high potency. The Uncirculated OG Auto introduces fast-flowering traits and a subtle OG earthiness while preserving the strain’s elite quality and resin production.


Effects:

The effects begin with a happy, euphoric cerebral lift that enhances mood and creativity. As the experience develops, a calming body relaxation sets in, easing tension without heavy sedation. The balance between mental uplift and physical comfort makes it versatile and long-lasting.


Strain Summary:

White Runtz Fast by Humboldt Seed Organization is the ideal choice for growers who want premium dessert flavour, high THC content, and a shortened flowering cycle. With outstanding bag appeal, terpene-rich aroma, and strong yields, it is perfectly suited for both commercial production and connoisseur gardens. Fast, frosty, and flavour-packed, White Runtz Fast is a modern classic in an efficient format.


Disclaimer:
All seeds sold at Breeders Collective are strictly intended as souvenirs and for preservation purposes. We do not condone or encourage illegal activity. Please ensure you understand and comply with your local laws regarding cannabis seeds and cultivation.