The 781 Growers Challenge has three categories: Photoperiod, Autoflower and Fast Version. Each category has first-, second- and third-place awards, making nine category prize packages.
The prize packages are distributed across the three categories as follows.
Photoperiod category
1st place
$600 Herbies Gift Card
Herbies Merch Box
Grove Bags Set
AC Infinity Cloudray S9
2nd place
$200 Amazon Gift Card
Herbies Merch Box
Grove Bags Set
AC Infinity Swag Box
3rd place
Herbies Merch Box
$100 Herbies Gift Card
Autoflower category
1st place
$600 Herbies Gift Card
Herbies Merch Box
Grove Bags Set
AC Infinity Cloudray S9
2nd place
$200 Amazon Gift Card
Herbies Merch Box
Grove Bags Set
AC Infinity Swag Box
3rd place
Herbies Merch Box
$100 Herbies Gift Card
Fast Version category
1st place
$600 Herbies Gift Card
Herbies Merch Box
Grove Bags Set
AC Infinity Cloudray S9
2nd place
$200 Amazon Gift Card
Herbies Merch Box
Grove Bags Set
AC Infinity Swag Box
3rd place
Herbies Merch Box
$100 Herbies Gift Card
Separate special award: Best Looking Plant
One additional Best Looking Plant award is a Secret LED SL-1000.
This special award is for USA entries in the Photoperiod category only. It is separate from the nine category prize packages above.
Prize availability and current details
Prize contents may vary depending on shipping availability. Check the official prize table for current prize details.
Participation in HarvestED
For the in-app participation steps and screenshots, see How do I add my diary to 781?.