Answer: Asparagus fern is a well behaved plant and should work well in your planters. You might also consider planting ornamental grasses such as 'Dwarf Garters' ribbon grass
with green and white-striped leaves; 'Puenctchen' Little dot Japanese silver grass, a compact grass similar to zebra Grass; Chasmanthium latifolium (Mountain oats), a clumping, deciduous, vase-shaped plant with lime green foliage; Schizachyrium maritimum (Coastal bluestem), a creeping, deciduous plant with blue/gray foliage; or Panicum virgatum 'Shenandoah' ('Shenandoah' switchgrass), a vase shaped selection with red foliage in the fall. All grow between 1-2 feet high with an equal spread so they are perfect for containers.
Best wishes with your new plants!
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