Common name: Trailing lobelia, edging lobelia, annual lobelia Latin name: Lobelia erinus ‘Riviera Sky Blue’ Plant type: Annual Plant size: 8-10″ high and spreading USDA Hardiness Zones: 10-11 for ...

The color blue is pretty rare in nature, but the blue of lobelia (Lobelia erinus) is on the mark. This vibrant, low-growing annual brightens garden beds, borders, pots and even hanging baskets. It’s a ...