PUFFY Lemon Jack THCa is a powerful sativa strain known for its sharp, citrusy aroma with a chemical-like lemon zest. A cross between the legendary Jack Herer and Lemon Kush, this strain delivers potent psychoactive effects that are both energizing and focus-enhancing—making it an excellent choice for daytime use, much like a strong cup of coffee. Many consumers report relief from headaches and fatigue, though its intensity may not be ideal for those prone to anxiety.