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Free U.S. Shipping Tiers

We’re offering free shipping based on your order total (U.S. only).

Here’s how it breaks down:

• $1–$20 → Stamped mail
• $21–$200 → USPS Ground Advantage
• $201–$500 → USPS Priority Mail
• $501+ → USPS Priority Mail + a return label

During checkout, just select the “Free Shipping” option if your cart qualifies. Want to speed things up? Our usual paid shipping methods are still available if you’d prefer to upgrade.

International Orders

Shipping outside the U.S.? Here’s what to know:

• Only Plant Sex Tests with Smash Cards are available for international orders.
• Free shipping does not apply.
• If you forget to select Smash Cards for your international order, don’t worry — we’ll toss them in for free so your tests still work.

Plant Sex Tests

Take the guesswork out of your grow — at a discount.

• Single Test: $10
  • $9 each for 100–499
  • $8.10 each for 500–999
  • $7.20 each for 1,000+
• 10-Pack: $100
• 50-Pack: $500
• 100-Pack: $900
• 500-Pack: $4,050
• 1,000-Pack: $7,200

Note: A $1 Smash Card surcharge still applies per test.

Pathogen Tests

Stop plant pathogens before they spread.

• Get $20 off any test $50 or more, including:
  • HLVD
  • Tobacco Mosaic Virus
  • Beet Curly Top Virus
  • Virus Trio

$15 off all other pathogen tests in our catalog

Farmer Favorites

• T-Shirts: $10 – Rep the brand in soft, comfy style.
• Fig Sex Test: $15 – Yes, even your figs deserve to be understood.