Viola x wittrockiana 'Colossus Yellow' ~ Colossus™ Yellow Pansy cacti Its dense dark green foliage

Its dense dark green foliage turns gray-green when temperatures drop below freezing

Monrovia® Triostar Stromanthe is an upright tropical plant grown for its dark green foliage with colorful white and pink variegation

Black Truffle Cardinal Flower is an upright native herbaceous perennial with glossy near black foliage that fades to dark maroon and green when the flowers emerge

African lily aka Agapanthus umbellatus

Thrives in filtered sun and dry

Viola x wittrockiana 'Colossus Yellow' ~ Colossus™ Yellow Pansy cacti Its dense dark green foliageColossus Yellow Pansy is a vigorous perennial with a dense and tight, non stretching habit and dark green leaves. The extra large upward facing flowers are bright yellow and bloom from fall through spring in mild winters. Prefers full sun and moist well drained soils. The Colossus series has improved heat and humidity tolerance and can tolerate a hard freeze if the soil is not dry, otherwise may experience dieback in harsh winters to return in spring.