Longevity spinach is a perennial in USDA Zones 9-11 and grown as an annual in climates with chilly winters. It lends itself to container-growing and can be grown indoors during the winter.

The spinach callus tissue, sent by Amity University-Mumbai to space, has shown signs of growth in the POEM-4 module that is orbiting the earth at an altitude of 350 kms, scientists associated with the ...