Consider getting a new pet to care for, or try planting a garden.
At first they tried planting side by side on parallel rows.
If you've got a big yard, try planting one or two courgettes in a growing bag.
One way to foil rodents is to try planting a few bulbs in containers.
Try planting some of the Brooklyn Botanic Garden's Signature Seeds this fall and winter.
If you're the type who likes to move the furniture around, try planting Miss Kim (S. patula).
Then I tried planting the bulbs in wire baskets, which convinced me that the gophers weren't causing my failure.
Also, he tried planting fat roots and other things he found in the mountain valleys.
But do try planting other oakleafs before you give up.
Alternately, you could try actively planting seaside little bluestem.