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The Effect of Gamma Rays on Man-in-the-Moon Marigolds March 1 @ 7:00 pm - 9:00 pm

A Playhouse 38 Adult Production

The Effect of Gamma Rays on Man-in-the-Moon Marigolds revolves around a dysfunctional family comprised of Beatrice Hunsdorfer, an impractical, embittered widow who makes a living by nursing an elderly invalid, and her two awkward teenage daughters, Ruth and Tillie.

Selfish elder daughter Ruth suffers from convulsions brought on by a childhood trauma. The younger daughter, Tillie, is an eccentric outcast who is constantly thwarted by her self-centered and abusive mother and her extroverted and unstable sister. Amidst this chaos, Tillie exists wide-eyed with wonder in the calm nucleus of her work with the school science teacher. She becomes a finalist in her school science fair for her project, in which she irradiates the seeds of man-in-the-moon marigolds with different levels of cobalt 60 and observes their growth mutations. With this surprise achievement bringing in a flurry of unanticipated attention from the locals, Tillie and Ruth’s clashes with their mother grow ever more ferocious, and Tillie’s attempt at finding her own success may only drive their family further into the sadness it can’t seem to escape.

Written by Paul Zindel. Directed by Frank Del Giudice. Some themes intended for mature audiences.


Performance dates

March 1 at 7:00 pm
March 2 at 7:00 pm
March 3 at 3:00 pm

March 7 at 7:00 pm
March 8 at 7:00 pm
March 9 at 3:00 pm



$15 in advance / $20 at the door.

Buy Tickets Online

Tickets are also available at Sunset Community Center, Stephen Persinger Recreation Center, or by calling 630-232-4542.

March 1
7:00 pm - 9:00 pm
Playhouse 38 Theatre
321 Stevens St, Suite P
Geneva, IL 60134 United States
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(630) 232-4542