Jack F1

Overview

Jack F1 combines Skunk #1, NL, and Mexican Haze into a 75% Sativa strain with a high THC level. It’s recognized for its cinnamon aroma, sweet and spicy flavor, and massive resin production. Best grown in soil or coco, this medicinal strain offers a long-lasting, cerebral high with a pleasing body buzz.

Development Process

The development of Jack F1 involved a painstaking selection to find the right phenotypes, followed by generations of back-crossing to stabilize the strain. Though it looks Indica, Jack F1 is a Sativa with a dense main cola, snowy resin crystals, and a short flowering time. Cultivators are reportedly advised to manage nutrients carefully and use a continuous light schedule during the vegetative state to control height.

Effects and Uses

Jack F1’s effects include a potent cerebral high coupled with a body buzz. It’s highly medicinal, aiding in managing ADD, ADHD, anxiety, arthritis, cramps, depression, inflammation, insomnia, appetite loss, migraines, PMS/PMDD, and various pains.

Strain Summary

• Suited for: Interior, Exterior zone B/C
• Flowering: 9 weeks, October
• Plant height: 50-1.80m, 2.00-3.00m
• Yield: 450-550 gr/m2, 400 gr/plant
• Growing difficulty: Medium