The Experiment Failed! Or did it?

My experiment in ground covers failed to suppress our prolific Hawaiian weeds. I planted a cutting of ornamental sweet potato. It grew extremely well almost too well.  Much pruning would be required if I kept it in the landscape.  The plant is beautiful and looked great next to the black lava rock.  But,  Friday, I yanked it out of ground as a failed attempt at weed suppression.  To my surprise, I found small and large tubers!  Yes, sweet potatoes!  I Googled it and apparently these tubers are editable, not sure what they will taste like...

Surprise!

Back to weed suppressing ground covers.   I am also experimenting with an herb cutting a friend gave me.  I saw it growing as a ground cover in their yard. Looks like it can be pruned to create a thick mat.  It is currently growing quite well.  Only time will tell...

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