It really thrives in partial to medium shade and moist soil, where the rhizomes creep slowly just beneath the soil surface, expanding the clump in diameter.
(It; really thrives; L:in partial to medium shade and moist soil) (the rhizomes; creep; slowly; T:just beneath the soil surface) Context(the rhizomes creep,List([67, 85))):(the rhizomes; creep slowly expanding; the clump in diameter)
the rhizomes creep,List([67, 85))
It the rhizomes the rhizomes
really thrives creep creep slowly expanding
L:in partial to medium shade and moist soil
slowly T:just beneath the soil surface
the clump in diameter