Formulas & Cross Reference

Formulas

Circles-diameter squared x .7854
Triangles-1/2 base x height
Rectangles-base x height

For figuring the number of plants needed for a given area, multiply the number of square feet in an area by the number of plants per square foot from the table below:

Plant Spacing

6 centers
8 centers
9 centers
10 centers
12 centers
15 centers
18 centers
24 centers

Plants per Square Feet

4.00
2.25
1.77
1.44
1.00
.64
.444
.25

Common name to botanical name:

Aromatic Aster
Baby Wintercreeper
Beard Tongue
Bishop's Weed
Black-eyed Susan
Blanket Flower
Blue Fescue
Blue Switch Grass
Boston Ivy
Bugleweed
Butterfly Bush
Butterfly Weed
Catmint
Cheddar Pinks
Cinnamon Fern
Columbine
Coneflower
Coral Bells
Creeping Phlox
Creeping Thyme
Crown Vetch
Daylily
Dead Nettle
Dwarf Fountain Grass
Dwarf Maiden Grass
English Ivy
False Indigo
False Spirea
Feather Reed Grass
Fescue
Flame Grass
Fountain Grass
Garden Phlox
Gayfeather
Goutweed
Hakone Grass
Hardy Geranium
Hens and Chicks
Irish Moss
Ivy
Japanese Blood Grass
Japanese Spurge
Joe Pye Weed
Korean Houttuynia
Lady's Mantle
Lavender
Leadwort
Lilyturf
Little Bluestem
Maiden Grass
Meadow Sage
Miniature Fountain Grass
Myrtle
New England Aster
Northern Sea Oats
Periwinkle
Pinks
Plantain Lily
Plumbago
Plume Grass
Prairie Dropseed
Porcupine Grass
Purple Fountain Grass
Purple Loosestrife
Purple Wintercreeper
Red Switch Grass
Russian Sage
Sedge Grass
Scotch Moss
Shasta Daisy
Snow in Summer
Siberian Iris
Soapwort
Speedwell
Spotted Dead Nettle
St. John's Wort
Stonecrop
Swamp Milkweed
Sweet Woodruff
Switch Grass
Tickseed
Variegated Feather Reed
Variegated Maiden Grass
Wintercreeper
Woolly Thyme
Wormwood
Yarrow
Yellow Archangel
Zebra Grass

 

Aster oblongifolius
Euonymus Minimus
Penstemon
Aegopodium
Rudbeckia
Gaillardia
Festuca
Panicum Heavy Metal
Parthenocissus
Ajuga
Buddleia
Asclepias
Nepeta
Dianthus
Osmunda cinnamomea
Aquilegia
Echinacea
Heuchera
Phlox subulata
Thymus
Coronilla
Hemerocallis
Lamium
Pennisetum Hameln
Miscanthus Yaku Jima
Hedera Helix
Babtisia
Astilbe
Calamagrostis
Festuca
Miscanthus Purpurascens
Pennisetum
Phlox paniculata
Liatris
Aegopodium
Hakonechloa
Geranium
Sempervivum
Sagina
Hedera helix
Imperata
Pachysandra
Eupatorium
Houttuynia
Alchemilla
Lavandula
Ceratostigma
Liriope
Schizachyrium
Miscanthus
Salvia
Pennisetum Little Bunny
Vinca minor
Aster novae-angliae
Chasmanthium
Vinca minor
Dianthus
Hosta
Ceratostigma
Saccharum
Sporobolus
Miscanthus Strictus
Pennisetum Rubrum
Lythrum
Euonymus Coloratus
Panicum
Perovskia
Carex
Sagina
Leucanthemum
Cerastium
Iris
Saponaria
Veronica
Lamium
Hypericum
Sedum
Asclepias
Galium
Panicum
Coreopsis
Calamagerostis Overdam
Miscanthus Morning Light
Euonymus Coloratus
Thymus
Artemisia
Achillea
Lamiastrum
Miscanthus Zebrinus