NASA astronauts aboard the International Space Station are growing red and green Hatch chile peppers that will be ready to eat in just a few months.

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The 48 chile pepper seeds were planted here on Earth at the Kennedy Space Center then delivered to the ISS in June. The seeds were slotted into the Advanced Plant Habitat, one of three plant growth chambers on the ISS. This is one of the longest and hardest growth experiments the astronauts and scientists on the ground have attempted.

Luckily, NASA astronaut Shane Kimbrough, who initiated NASAs Plant Habitat-04 (PH-04) experiment onboard, has already tended to space crops. He helped grow (and eat) "Outredgeous" red romaine lettuce in late 2016.

The peppers will be harvested in about four months. Some will be sampled by the astronauts onboard, while others will be sent back to the Kennedy Space Center for analysis.

It is one of the most complex plant experiments on the station to date because of the long germination and growing times, said Matt Romeyn, principal investigator for PH-04. We have previously tested flowering to increase the chance for a successful harvest because astronauts will have to pollinate the peppers to grow fruit.

Jason Fischer (left), a research scientist, and Lashelle Spencer, a plant scientist, with the Laboratory Support Services and Operations contract at NASA's Kennedy Space Center in Florida, harvest peppers from pepper plants on Jan. 15, 2020, that were grown in the Space Station Processing Facility for a growth assessment in preparation for sending them to space. As NASA prepares to send humans beyond low-Earth orbit, the ability for astronauts to grow a variety of fresh fruits and vegetables in space will be critical. Fresh produce will be an essential supplement to the crew's pre-packaged diet during long-duration space exploration when they are away from Earth for extended periods of time.

Growing peppers on the ISS has a few benefits for NASA's astronauts. Living in microgravity can cause astronauts to lose some of their sense of taste and smell, which means spicy foods are a welcome meal for some. Peppers are also high in Vitamin C and other nutrients. Plus, the bright peppers even help the astronauts' mental health while onboard the ISS.

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Growing colorful vegetables in space can have long-term benefits for physical and psychological health, Romeyn said. We are discovering that growing plants and vegetables with colors and smells helps to improve astronauts well-being.

It's comforting to know when humans eventually colonize Mars, we might not have to give up our beloved chiles. Man can only live on astronaut ice cream for so long.

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NASA astronauts are growing chili peppers on the International Space Station - Chron