Is asparagus fern a perennial in zone 7?
Asparagus fern is grown as an annual or houseplant in most areas of the U. S. USDA Zones 8-10. Outdoors, these plants will prefer a partial shade location in organically rich, moist, well-draining soil. Yes, asparagus fern will come back every year since it’s a perennial plant. If you live in the climates (USDA Zones 9-11), you can leave the plant outdoors year-round.