Achillea filipendulina
Yarrow
Compositae
ACHFL
Herbaceous Orn.
Perennial
3.5 feet
1 foot
Erect
Open
Fine
Medium Green
Corymb
Yellow
May-June
4-6 Weeks
4 to 5 inches
No Choice
#4/-30 to -20 F
Loam
Dry
Full Sun
Medium
Moderate
Few
Borders
Cut Flowers
Dried Flowers
Ageratum houstonianum
Flossflower
AGRHS
Annual
8-12 inches
4-7 inches
Mound
Dark Green
Cyme
Blue
Summer
One Season
1/4 to 1/2 inch
Any Soil
Moist & Drained
Mid-range (6-8)
Sun or Lt Shade
Fast
Low
Edging
Mass Planting
Rose and white colors also available. Good for American Flag designs.
Alcea rosea
Hollyhock
Malvaceae
ALCRS
6 feet
3 feet
Coarse
Light Green
Spike
Multi-colored
July-Aug
2 to 2.5 inches
2 to 4 Years
Mild Acid (6.5)
Occasional
Specimen
Antirrhinum majus
Snapdragon
Scrophulariacea
ANTMJ
Raceme
Red-Violet
10-12 Weeks
1.5 to 2 inches
Full-Half Sun
Other colors include yellow, pinks and oranges. Has fragrance. Good with kids. Teach them to open dragon's mouth.
Aquilegia hybrida
Columbine
Ranunuculaceae
AQLHB
2.5 feet
1.5 feet
Silver Green
Spurred
Red
#3/-40 to -30 F
Naturalization
Astilbe x arendsii
False Spirea
Saxifragaceae
ASTAR
Panicle
June-July
Organic Soil
Moist
No Major
Water Garden
Edging and backdrop to ponds and pools.
Begonia semperflorens-cultorum
Wax Begonia
Begoniaceae
BGNSM
Rounded
Compact
Bronze
Pink
1 to 1.5 inches
Half-Full Shade
Containers
Minimum Care
One of few good shade annuals. Other colors include whites and reds. Other good foliage colors and varigations.
Brassica oleracea acephala
Flowering Kale
Cruciferae
BRSOLAC
Clump
Blue Green
Herb Garden
Newest leaves in center white or pink in color. Edible. Chipmunks love to nibble lower leaves.
Campanula medium
Canterbury Bells
Campanulaceae
CMPMD
Up To 2 Years
Celosia argentea var cristata
Cockscomb Celosia
Amaranthaceae
CLSARVC
Uright
Head
Orange
8-10 Weeks
5 to 6 inches
Dry to Moist
Full Shade
Other colors in yellows, pinks and reds Very strong, vibrant colors. Good for gardens to be viewed from a distance.
Celosia argentea var plumosa
Plume Celosia
CLSARVP
Centaurea cyanus
Bachelor's Button
CNTCN
2 feet
Chrysanthemum x morifloium
Hardy Mum
CHRMR
Yellow-Orange
Aug-Sept
#5/-20 to -10 F
High
Must be sheared or pinched back in early July to have good flower set. Colors range from yellow to orange to reds
Cleome hasslerara
Spider Flower
Capparaceae
CLMHS
White
2.5 to 3 inches
Accent
Good for warm areas.
Colchicum speciosum
Autumn Crocus
Liliaceae
CLCSP
Bulb
Fall
Bulb is poisonous.  Used in heart medicines and genetic analysis of cellular tissue.
Consolida ambigua
Rocket Larkspur
Ranunculaceae
CNSAM
Mass
Good alternative to perennial delphinium. Do better in cooler conditions
Dahlia pinnata
Dahlia
DHLPN
Sand to Loam
Delphinium elatum
Delphinium
DLPEL
5 feet
Over 6 inches
Mild Basic(7.5)
Susceptible
Very tall flowers stalks. Needs staking.
Dianthus barbatus
Sweet William
Caryophyllaceae
DNTBR
Neutral   (7.0)
Digitalis purpurea
Foxglove
DGTPR
Violet
Light Shade
Poisonous plant.  Digitalis, a heart medicine, comes from this plant.
Festuca ovina glauca
Blue Fescue
Gramineae
FSTOVGL
Grass
Extra Fine
Silver
Open Shade
Fritillaria imperialis
Crown Imperial Fritilla
FRTIM
Cluster
2-4 Weeks
5 to 7 Years
Slight skunky odor.
Galanthus nivalis
Snowdrop
Amaryllidaceae
GLNNV
1-3 inches
Solitary
Mar-Apr
1-2 Weeks
Wild Flowers
One of earliest spring flowering bulbs.
Gladiolus x hortulanus
Gladiolus
Iridaceae
GLDHR
Monocot
#9/ 20 to  30 F
Thrips are a major problem. Corms must be dug up each fall and stored in cool area.
Gypsophila elegans
Baby's Breath
GPSEL
1/2 to 1 inch
Pink varieties.
Hemerocalllis hybrids
Daylily
HMRHB
Continuous
3 to 4 inches
Very popular perennial. Possible alternative to turf in small traffic islands or trim areas.
Hosta plantaginea
Plantain Lily
HSTPL
Yellow Green
Slow
Good shade garden perennial. Many different shades of leaf color. Different leaf surface textures.
Iberis sempervirens
Evergreen Candytuft
IBRSM
Spreading
Iris kaempferi
Japanese Iris
IRSKM
Kniphofia uvaria
Red-Hot-Poker
KNPUV
Red-Orange
#6/-10 to   0 F
Lavandula angustifolia
Lavender
Labiatae
LVNAN
Limonium sinuatum
Notchleaf Statice
Plumbaginaceae
LMNSN
Salt tolerant
Lobelia cardinalis
Cardinal Flower
Lobeliaceae
LBLCR
4 feet
Lobularia maritima
Sweet Alyssum
LBLMR
Under 1/4 inch
Designs
Fragrant flower. Also rose and violet colors.
Mirabilis jalaps
Four O'clock
Nyctaginaceae
MRBJL
Dry to Wet
Tolerates city pollution Shrub like
Muscari armeniacum
Grape Hyacinth
MSCAR
Apr-May
Nicotiana alata
Flowering Tobacco
Solanaceae
NCTAL
Paeonia lactiflora
Chinese Peony
Paeoniaceae
PNALC
Globose
8 to 10 Years
Focal Point
Iris traditional companion to peony.
Papaver orientale
Oriental Poppy
Papaveraceae
PPVOR
Pelargonium x hortorum
Geranium
Geraniaceae
PLRHR
Colors also in pinks, whites, green and orange. Leaf verigations and leaf colorations.
Petunia x hybrida
Petunia
PTNHB
Faded flowers need to be pinched to insure good flowering.
Physostegia virginiana
Obedient Plant
PHSVR
Portulaca grandiflora
Moss Rose
Portulacaceae
PRTGR
Does well in poor areas.
Rudbeckia hirta
Gloriosa Daisy
RDBHR
Disk
Salvia splendens
Salvia
SLVSP
Senecio cineraria
Dusty Miller
SNCCN
Grown for foliage not flower. Several leaf variations.
Tagetes patula
French Marigold
TGTPT
Tropaeolum majus
Nasturtium
Tropaeolaceae
TRPMJ
Vining
Verbena x hybrida
Verbena
Verbenaceae
VRBHB
Viola x wittrockiana
Pansy
Violaceae
VLAWT
Spring
Zinnia elegans
Zinnia
ZNNEL