Co-Authored By:
Deep velvety purple blooms are produced continuously from spring to fall on this upright to spreading perennial. In zone 10 it is likely to be a reliable perennial if not evergreen. Porterweed is known to reseed particularly in mild winter climates.
Also asked, how do you care for a Porterweed plant?
Blue porterweed plants grow best in full sun to partial shade. When they are first planted, they need moist soil but, once established, they can handle drought quite well. They can tolerate salty conditions too. If you're planting them as groundcover, space the plants out by 2.5 to 3 feet (.
Also to know is, do butterflies like Porterweed?
An evergreen perennial that blooms nearly year-round in many places, its blue flowers attract bees and butterflies. A host plant for the tropical buckeye, blue porterweed also attracts large orange sulphurs, clouded skippers, gulf fritillaries, red admirals, and julias.
Locally we have two versions, a native which grows low, and a tall cultivated one. The flowers on both are edible, and the odd part is they taste like raw mushrooms. As with many delicate flavors the nose is quite involved and it takes a few moments for the flavor to come through.