About Us

About QCS Seeds USA

QCS Seeds is a Quebec-based Canadian company supplying growers across the United States with premium cannabis genetics. We built QCS to make it easier for customers to access strong, reliable strains—and today, we’ve taken that commitment further with shipping from within the United States for a faster, smoother buying experience.

What You’ll Find at QCS Seeds USA

• Feminized seeds for growers who want reliable flowering plants
• Autoflower seeds for speed, convenience, and compact grows
• Fast Version seeds for quicker harvests without sacrificing quality

Support That Helps You Grow

We back our catalog with helpful resources and responsive support—so whether you’re dialing in a tent grow, planning a backyard run, or running greenhouse cycles, you can shop with confidence.

QCS Seeds USA is built for growers who want reliable cannabis genetics and consistent results. Our team has been working with cannabis breeding and selection since 2013, with a focus on stability, vigor, and performance—so you can grow with confidence whether you’re just getting started or you’ve been cultivating for years.

We’re known for choosing genetics from strong, resilient parent plants and prioritizing traits that matter most: healthy growth, dependable structure, solid yields, and consistent cannabinoid potential. Every strain we offer is selected to be grower-friendly, with options suited for indoor, outdoor, and greenhouse environments.

QCS Seeds USA ships discreetly within the USA only, with a quality-first approach that keeps growers coming back.