Glad to hear the university is looking into it.  We need to know all we can about blue balls.

What causes them?  How does one get rid of them?  Why would anyone leave them in the garden?

Why would they be in the garden in the first place?

... normally they're tucked safely away, nature's frustrating reminder that one is not as irresistible as one thought.

 

Lotus 123 ~ S-Render ~ OS/2 WARP ~ IBM 8088 / 4.77 Mhz ~ Hercules Ultima graphics, Hitachi 10 MB HDD, 64K RAM, 12 in diagonal CRT Monitor (16 colors / 60 Hz refresh rate), 240 Watt PS, Dual 1.44 MB Floppies, 2 button mouse input device.  Beige horizontal case.  I don't display my unit.