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: 1 - 2 feet
Plant Spread: 1 - 2 feet
Flowers: Showy
Flower Color: Red
Bloom Size: Under 1"
Flower Time: Spring
Late spring or early summer
Summer
Late summer or early fall
Fall
Late fall or early winter
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

Image
Common names
  • Red Compact Porterweed
  • Dwarf Red Porterweed
  • Porterweed
  • False Vervain
  • Snakeweed
Botanical names
  • Accepted: Stachytarpheta microphylla
  • Synonym: Stachytarpheta sanguinea
  • Synonym: Stachytarpheta sanguinea var. hatschbachii
  • Synonym: Valerianoides sanguinea
Also sold as:
  • Red Compacta
  • Dwarf Red

Photo Gallery
Location: Cano Negro, Costa Rica | December 2022
Date: 2022-12-19
Location: Cano Negro, Costa Rica | December 2022
Date: 2022-12-19
Location: Cedar Rapids, IA
Date: 2019-07-22
Location: Houston Museum of Natural Science
Date: 2017-11-21
                               butterfly house
Location: Houston Museum of Natural Science
Date: 2017-11-21
           BF house
Location: Georgia, USA

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