General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 10a -1.1 °C (30 °F) to +1.7 °C (35 °F)
Maximum recommended zone: Zone 11
Plant Height: 3 - 4 feet
Plant Spread: 3 feet
Flowers: Showy
Flower Color: Purple
Other: Magenta; reddish-purple
Flower Time: Spring
Late spring or early summer
Summer
Late summer or early fall
Fall
Other: Pinch to improve branching. Year round in frost free areas.
Uses: Suitable as Annual
Wildlife Attractant: Butterflies
Hummingbirds
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots

Common names
  • Porterweed

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