Send me your save game file.
atrocities@astmod.com
In every test I have ran they have all expanded well. I need to know what setting you used. 2k, 3k, 5k. Did you set them up yourself, or use a preset EMP?
Therre might be some risidual bugs with growth because of the setting changes and such.
Oh ya,
Version 1.5.1 is out.