Black Truffle (Cardinal Flower) - Lobelia cardinalis Salad Tree Scientific name: Curcuma zedoaria

Scientific name: Curcuma zedoaria

Zones: 10b-11

broadleaf evergreen that can reach 40 feet but can also be container grown or pruned to bush size

or Thailand Giant

Black Truffle (Cardinal Flower) - Lobelia cardinalis Salad Tree Scientific name: Curcuma zedoariaHummingbirds find Black Truffle (Lobelia cardinalis) highly attractive. Its foliage is a stunning deep purple to black, yet the leaves are green at the same time! This Lobelia looks great in any garden, but it looks especially great surrounded by lime green foliage. Average mature height: Low growing (up to 48 inches) Light: Full to part sun Water: Average watering needs. Do not overwater. Zones: 5 8