SOME MAJOR PLANTS UTILIZED IN NORTH AMERICA

For Highly Formalistic Bed Design
(Clean-cut Manicured Lines), Lettering, Knot Gardens

Dr. Dale E. Herman, Dept. of Plant Sciences, NDSU

1.

Fam. Aizoaceae - Carpetweed

Aptenia cordifolia - Baby Sun Rose or Heartleaf Mesembryanthemum (syn. Mesembryanthemum cordifolium)

     Prostrate, leaves green, cordate-ovate, 4-ranked, purple-red flowers.

     cv. ‘Variegata’ - Variegated Baby Sun Rose (syn. Variegated Ice Plant);      leaves bordered with white, soft, succulent.



2.

Fam. Amaranthaceae - Amaranth

Alternanthera ficoidea - Joseph’s Coat or Copperleaf, or better, Garden Alternanthera

     Leaves elliptic to broadly ovate or obovate, native to Brazil. Foliage of      species is green.

     cvs: ‘Amoena’ - Parrotleaf - bronze leaves blotched with red and orange,      3-4" tall.

     ‘Aurea Nana’ - leaves yellow

     ‘Bettzickiana’ - Calico Plant - Leaves colored or blotched in shades of      yellow and red, narrow twisted.

     To 12", usually pruned to 5-6" carpet.

     ‘Brilliantissima’ - bright red leaves

     ‘Rosea’ - rose colored leaves

     ‘Versicolor’ - Copper Alternanthera - leaves copper-red or blood red,      crisped and corrugated, nearly round, may be edged pink

Iresine herbstii - Bloodleaf or Beefsteak Plant

     Leaves commonly purplish-red (light red veins), broad ovate to round,      notched at tip



3.

Fam. Asteraceae - Aster

Chrysanthemum ptarmiciflorum - Silver Lace or Silver Feather

     Very fine textured, ferny-segmented bipinnate compound leaves,
     silvery-white

Santolina chamaecyparissus ‘Nana’ - Dwarf Lavender Cotton

     Leaves pinnately segmented, tomentose, silvery-gray. The cv. ‘Plumosus’      also has lacy, silvery-gray foliage.

Santolina virens - Green Lavender Cotton

     Similar to above species but leaves dark green

Senecio cineraria - Dusty Miller

     Hairy silvery, variably pinnate-segmented leaves

     cvs. ‘New Look’ - Whitish oakleaf shaped leaves, newest cultivar

     ‘Silver Dust’ - finely pinnate - segmented silver-white leaves

     ‘Silver Queen’ - similar leaves to above

     ‘Cirrus’ - Broad silvery oakleaf-like, toothed leaves

     ‘Diamond’ - leaves somewhat coarser textured than ‘Silver Dust’

     ‘Snowstorm’ - leaves more finely cut or lacy than ‘Silver Dust’



4.

Fam. Crassulaceae - Orpine

Echeveria secunda (a species of Hen and Chicks)
Sempervivum tectorum - Hen and Chicks

     Zone 3, hardier than Echeveria species. Used in rock gardens, edging,
     etc. Many green, bluish, red, purplish and bicolor cultivars.

     Succulent with clustered fleshy leaves, rosette-like

     var. byrnesii - bright green or flushed red

     var. glauca - thinner glaucous leaves

     var. pumila - narrower leaves, 5/8" wide

Additional Plants that May be Utilized Include:

1.

Fam. Apiaceae - Carrot

Petroselinum crispum - Parsley

2.

Fam. Asteraceae - Aster

Ageratum houstonianum - Flossflower (many cultivars)

Artemisia stelleriana ‘Silver Brocade’ - Silver Brocade Artemisia

Tagetes patula - Dwarf French Marigold (many cultivars)

3.

Fam. Crassulaceae - Orpine

Certain species and/or cultivars of Sedum (Stonecrop) merit trial with foliage color variations.

4.

Fam. Rutaceae - Rue

Ruta graveolens - Common Rue

Bi-or tri-pinnate compound blue-green leaves, aromatic