Aster mongolicus Hortensis Aroids If that's not enough

If that's not enough

and yellow pupils

humid climates as long as the soil doesn't stay dry for extended periods

it does not fit any reasonable criteria of an invasive plant

When I first saw Iris laevigata 'Variegata' many years ago in the famed garden of Pennsylvania's Charles Cresson

Aster mongolicus Hortensis Aroids If that's not enough(aka: Kalimeris mongolica, Kalimeris pinnatifida) It's been hard to keep up with the name changes, since this poor plant's identity has been batted around by taxonomists more than a tennis ball on Wimbledon's Centre Court. A favorite of the late garden writer Elizabeth Lawrence, Aster 'Hortensis' is a wonderful, slowly spreading deciduous perennial which arises in spring to form a dense patch of 20" tall, interwoven stems, clothed with apple green,