India, Oct. 25 -- There is a particular cruelty to Ashley Poston's The Someday Garden. Grief takes root in this fertile ground, flowering into something beautiful, bewildering and occasionally overgrown. Poston captures how postponement can feel like a promise until time turns it into a tomb for all the lives we imagined living.

Horticulturist Sophie Drear returns to Lilymoor House and Gardens in coastal Maine to fulfil a promise made a decade earlier to her best friend Harrie, who is now dead. As Sophie works amid the estate's unruly gardens, a mysterious blue door appears, leading to a secret garden. Inside, Sophie encounters Cyrus, a man trapped by its peculiar magic. As Lilymoor prepares for its bicentenary, Sophie must decide whethe...