Zinnias in Space (IMAGE) NASA/Johnson Space Center Caption NASA Astronaut Kjell Lindgren waters the zinnia seeds in their individual plant pillows through a syringe system. Credit NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.