Wednesday, July 1, 2009

Leucanthemum vulgare

[Photo: Leucanthemum vulgare.]Leucanthemum vulgare, known in English as "ox-eye daisy", "moon daisy", "dog daisy", or "marguerite", and in French as marguerite commune, is a perennial native to Eurasia and widely escaped in North America, Australia, and New Zealand.

Ox-eye daisy is difficult to eradicate once established, since it can regrow from root fragments left in the soil. Better to not let it get established, or keep it in a container and deadhead religiously.

Here are some native alternatives to ox-eye daisy in the garden:

Daisy-shaped flowers

  • upland white aster (Oligoneuron album, small white flowers with yellow centres)
  • eastern daisy fleabane (Erigeron annuus, small white flowers with yellow centres, fragrant)
  • Philadelphia daisy fleabane (Erigeron philadelphicus, small pink flowers with yellow centres)
  • lanceleaf coreopsis (Coreopsis lanceolata, yellow rays and discs)
  • Helen's flower (Helenium autumnale, small yellow flowers with yellow disks)
  • pale coneflower (Echinacea pallida, pale purple drooping rays, brown centres)
  • black-eyed Susan (Rudbeckia hirta, yellow rays, dark brown centres)
  • branched coneflower (Rudbeckia triloba, yellow rays, dark brown discs)
  • showy sunflower (Helianthus laetiflorus, yellow rays, brown discs)
  • ox-eye sunflower (Heliopsis helianthoides, yellow rays, dark yellow discs)
  • green-headed coneflower (Rudbeckia lacinata, yellow rays, olive green discs)
  • yellow coneflower (Ratibida pinnata, drooping yellow rays, dark brown discs)
  • compass plant (Silphium lacinatum, yellow rays and discs)
  • cup plant (Silphium perfoliatum, yellow rays and discs)
  • prairie dock (Silphium terebinthinaceum, yellow rays and discs)
  • blanket flower (Gaillardia aristata, red rays with yellow tips, brown discs)
  • smooth aster (Symphyotrichum laeve, small mauve flowers with yellow centres)
  • sky blue aster (Symphytrichum oolentangiense, small mauve flowers with yellow centres)
  • New England aster (Symphyotrichum novae-angliae, small pink to mauve flowers with yellow centres)
  • silky aster (Symphyotrichum sericeum, purple flowers with beige centres)

White flowers for sunny locations

  • upland white aster (Oligoneuron album)
  • eastern daisy fleabane (Erigeron annuus
  • smooth penstemon (Penstemon digitalis, clusters of foxglove-like flowers)
  • yarrow (Achillea millefolium)
  • mountain mint (Pycnanthemum virginianum, clusters of small flowers)
  • king of the meadow (Thalictrum dioicus, clusters of small flowers)
  • New Jersey tea (Ceanothus americanus, a shrub with clusters of small flowers)
  • Culver's root (Veronicastrum virginicum, spikes of tiny white flowers)

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