Asked by: Imar Maturanahobbies and interests beekeeping
How big is Porterweed?
Last Updated: 4th March, 2020
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Likewise, people ask, is Porterweed invasive?
jamaicensis as both have the distinctive purplish-blue flowers. S. cayennensis, however, is a Category II FLEPPC listed invasive species and should not be planted. Blue porterweed is often available at nurseries that specialize in native plants.
Beside above, is Porterweed a perennial? 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.
One may also ask, 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 (.
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.