A list of the cultivars of Purple Loosestrife  -- don't grow them!

These cultivars result from hybridizations of Lythrum salicaria or Lythrum virgatum.   Once thought sterile, they will cross pollinate with wild loosestrife and produce viable seeds. (1)
 
Atopurpureum Brightness Columbia Pink  Dropmore Purple Firecandle
Flashfire Floralie Florarose Gypsy Blood  Happy
Lady Sackville Morden Gleam Morden Pink Morden Rose  Pink Spires
Purple Dwarf  Purple Spires Robert  RoseGleam Rose Queen
Roseum superbum Rosy Gem  Rosy Glow The Beacon The Rocket
Tomentosum

SUBSTITUTE PLANTS --- with habit similar to purple loosestife (perennial, tall, pink, red or blue, prefers a sunny location, and blooms in mid to late summer)

NATIVE plants
plants with moist habit:

  • Chelone obliqua (pink turtlehead)
  • Delphinium glaucum (larkspur; many cultivars; native in western states)
  • Eupatorium purpureum (Joe Pye weed) or E. maculatum
  • Hibiscus palustris (swamp rose mallow)
  • Lobelia cardinalis (cardinal flower; several cultivars)
  • Verbena hastata (blue vervain)
  • Mimulus ringens or M. alatus (monkey flower)
plants with dry to normal habit:
  • Epilobium angustifolium (fireweed, rosebay willowherb)
  • Echinacea augustifolia (coneflower; tolerates moist conditions)
  • Filipendula rubra (queen-of-the-prairie)
  • Liatris spicata, L. pycnostachya (blazing star, gayfeather; tolerates moisture)
  • Monarda didyma (bee balm; several varieties)
  • Physotegia virginaiana (false dragonhead, obedient plant)
  • Sidalcea malviflora (native in western states; many cultivars)
  • Salvia azurea (prairie sage; only salvia hardy in NE gardens)
  • Verbena macdougallii (native in western states)
NON-NATIVE plants
  • Astilbe taquetti (false spirea; tolerates dryness; late, very tall)
  • Perovskia atriplicifolia (russian sage)
  • Veronica spicata (spike speedwell)

 
 
 
(1) Anderson, N.O. and P. D. Ascher. 1993. Male and female fertility of loosestrife (Lythrum) cultivars. Journal American Society Horticultural Science 118(6):851-858.