SeedsMan Promo Codes for September 2026

Purchase autoflowering seeds at a low starting price. This offer includes a selection of popular strains.

Grow your garden with ease. Enjoy 50% off select feminised seeds for a successful harvest.

Sign up for the newsletter to get access to special pricing. Members receive offers via email.

All orders automatically receive complimentary seeds. The quantity and type of free seeds vary by order value.

Enjoy a 10% reduction on all Greenhouse Seed Co. products. This applies to individual and multi-packs.

Discover Mephisto Genetics seeds with prices beginning at $8. A variety of strains are available.

Get a 10% discount on all germination kits. Ensure a strong start for your seeds.

Special pricing is available on a wide range of products for Black Friday. Discounts are applied automatically.

Receive complimentary shipping for all orders exceeding $150. This is applied to your cart automatically.

During the 420 event, receive double the usual amount of free seeds. This applies to all orders.

Find various Barney's Farm strains priced below $10 per individual seed. Stock up on your favorites.

Select Seedsman brand t-shirts and hats are available starting at $15. Update your apparel.

Save 10% on all outdoor seed varieties for the spring planting season. Prepare for your garden.

Certain Sensi Seeds strains are offered as a buy one get one free deal. Add two qualifying items to your cart.

Purchase three packs of Fastbuds seeds and receive one pack free. Add four qualifying items to your cart.

Selected Royal Queen Seeds genetics are discounted by 25%. This includes best-selling strains.

Explore high THC seed varieties with discounts up to 30%. Find powerful genetics for less.

First-time growers can save 15% on beginner nutrient kits. Essential supplies for your plants.

Earn points on every purchase as a loyalty program member. Points can be redeemed for future discounts.

Discounts are applied to larger seed pack purchases. The more you buy, the more you save.