GardenTrends
https://www.gardentrends.com

"We've hidden 8 Easter eggs exclusively on www.gardentrends.com. Each one has an offer associated with it!

Only 1 offer may be used on an order.

Offers are valid only on www.gardentrends.com, Friday, 3/30/18 - Monday, 4/2/18.

Hints: Find pages related to Easter, spring, eggs, and programs we've been promoting recently! Eggs are not hidden on individual product/variety-specific pages; only more general category, genus or program pages."

I've found these, so far:

10% off order
8EASTER10
https://www.gardentrends.com/c...

15% off order
8EASTER15
https://www.gardentrends.com/c...

20% off order
8EASTER20
https://www.gardentrends.com/c...

25% off order
8EASTER25
https://www.gardentrends.com/c...
https://www.gardentrends.com/c...

Please share if you find the other 3 (although some are likely repeats).