9.Pluto- 39.4 AU why do astronomers not measure the distances to stars in kilometers? distance to stars are so great that the number are too large to work with easily.
Some seeds can last for three to four years, such as: 1  asparagus. 2  beans. 3  broccoli. 4  carrots. 5  celery. 6  leeks. 7  peas. 8  spinach.
Borage seeds have a fairly long shelf life â the official number given is 3 years. However, I have seeds that are almost 5 years old, & earlier this spring I got a nearly 100% germination rate. Borage is a medium-height plant and will do well in the middle of a flower border.