Are asparagus plants frost hardy?

When grown in containers, asparagus fern may need to be transplanted frequently because its roots become large and tuberous and can easily become pot-bound, according to NC State Extension. Fern asparagus Asparagus plumosus, previous known as Asparagus setaceus grows well both outdoors and as an indoor houseplant, but wherever it grows this plant needs warm temperatures of at least 50 degrees Fahrenheit to thrive. Fern asparagus are not true ferns and belong to the lily family, so you need to provide the plants with bright direct sunlight year round. You can grow fern asparagus as a houseplant in any region. This ornamental asparagus is grown for its graceful, dainty fern-like foliage and grows outdoors in U. As a perennial, it s essential to be sure you plan in advance before planting asparagus. Alternately, as asparagus plants should be spaced about 18 apart, it s good to work a shovel full of compost and some rock phosphate into the soil every 18 to provide good fertilization for the root mass. In the late summer, you can start another crop of lettuce or spinach, as the asparagus fronds will provide much-needed shade from the summer sun. There s a symbiotic relationship between tomatoes and asparagus. Asparagus is one of those perennial veggies that takes patience to grow, but once you ve learned how to grow asparagus, it s so satisfying.

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