is porterweed poisonous to dogs

1. Is Porterweed invasive?
2. How big is Porterweed?
3. Is Porterweed a perennial?
4. How do you care for a Porterweed plant?

Is Porterweed invasive?

S. cayennensis, however, is recognized as a Category II FLEPPC listed invasive species because it has escaped cultivation and is altering native habitat. It should not be used.

How big is Porterweed?

jamaicensis and the exotic S. urticifolia called S. x intercedens which looks like the native but has an upright growth habit reaching 2-3 feet tall. And while this plant can become weedy in warmer areas of the state, it makes a nice addition to a sunny North Florida butterfly garden.

Is Porterweed a perennial?

Lamiaceae. 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.

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 (1 m.).