Plants Growing in the Pasco Extension
Demonstration Landscape Garden

We invite you to visit our landscape garden which is situated in the front of the Pasco County Extension Office, 36702 State Road 52, Dade City  (located on the Pasco County Fairgrounds).  If you have questions, feel free to call us
Each photo below is accompanied by a brief description taken from the book Your Florida Guide to Shrubs with permission being given by the authors Edward F. Gilman and Robert J. Black, teachers and researchers in the field of environmental horticulture at the University of Florida's Institute of Food and Agricultural Sciences (IFAS).  Dr. Gilman develops educational materials and conducts programs for the nursery and landscape industries.  Dr. Black is now retired; previously he was the consumer horticultural specialist for the University of Florida.

 

Hardiness Zones of Florida

Index to plant references in alphabetical order:

 

The following pictures are in thumbnail format. Select the picture to see it in a larger format. NOTE: Those botanical names that appear in blue italics are linked to EDIS (Electronic Digital Information System) at the University of Florida that will allow you to read/print out a brochure that gives in-depth information on the plant

top
back to plant index

African bush daisy

 
Botanical Name: Gamolepis chrysanthemoides
Common Name:  African Bush-Daisy, Daisy-Bush
Hardiness Zones:  8B-11
Uses:  mass planting; perennial border; container or planter;  attracts butterflies
Florida native:  no
Plant type:  herbaceous perennial
Mature size:  2-3 feet tall and wide
Flower:   yellow; showy in warm weather
Light requirement:  full sun
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  none
Notes:  full sun essential for best flowering; tends to fall over as it grows taller

top
back to plant index

 cardboard plant

Botanical name:  Zamia furfuracea
Common name:  Cardboard Plant, Cardboard Cycad
Hardiness zones:  9B-11
Uses:  foundation; border; mass planting; container or anter; indoors; accent
Florida native:  no
Plant type:  evergreen shrub
Mature size:  3-5 feet tall by 5-8 feet wide
Flower:  4-inch-long, cylindrical male cone; 5-inch-long,void female cone
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  high
Notes:  fabulous accent when surrounded by low ground cover
 

top
back to plant index

blue plumbago

Botanical name:  Plumbago auriculata
Common name:  Plumbago, Cape Plumbago
Hardiness zones:  9A-11
Uses:  foundation; perennial border; mass planting; container or planter; hedge; attracts butterflies
Florida native:  no
Plant type:  viny, evergreen shrub
Mature size:  6-8 feet tall and wide
Flower:  blue or white; showy except in winter
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  moderate
Notes:  viny habit can be controlled with regular clipping

top
back to plant index

butterfly bush

Botanical name:  Buddleia spp.
Common name:  Butterfly-Bush
Hardiness zones:  6A-10B
Uses:  container or planter; accent; perennial border  attracts butterflies/hummingbirds
Florida native:  no
Plant type:  deciduous shrub
Mature size:  6-12 feet tall and wide
Flower:  pink, red, white purple; showy in spring, summer
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates moderate drought and poor drainage
Salt tolerance:  low
Notes:  cultivars available in variety of flower colors; often cut back each spring
butterfly bush flowering

top
back to plant index

oakleaf hydrangea

Botanical name:  Hydrangea quercifolia
Common name:  Oak-Leaf Hydrangea
Hardiness zones:  5B-9B
Uses:  border; mass planting; accent; screen
Florida native:  yes
Plant type:  deciduous shrub
Mature size:  8-10 feet tall and wide
Flower: white, showy in spring
Light requirement:  mostly sunny to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought and poor drainage
Salt tolerance:  low
Notes:  great accent due to large leaves; choose dwarf cultivar for small landscapes; plants are expensive because they are challenging to propagate
oakleaf hydrangea flowering

top
back to plant index

pineapple guava

Botanical name:  Feijoa sellowiana
Common name:  Pineapple Guava
Hardiness zones:  8A-11
Uses:  accent; screen; hedge; fruit; small tree
Florida native:   no
Plant type:  evergreen shrub or tree
Mature size:  10-15 feet tall and wide
Flower:  red and pink; showy in spring
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates drought
Salt tolerance:  high
Notes:  though used most as hedge, displays wonderful bark when grown as tree; flowers are beautiful
pineapple guava flowering

top
back to plant index

cleyera

Botanical name:  Ternstroemia gymnanthera
Common name:  Cleyera, Japanese Ternstroemia
Hardiness zones:  7A-10B
Uses:  screen; border; hedge
Florida native:  no
Plant type:  evergreen shrub
Mature size:  12-20 feet tall by 5-10 feet wide
Flower:  white; showy in spring
Light requirement:  part shade to full shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  moderate drought
Salt tolerance:  none
Notes:  glossy, new foliage gives this shrub a touch of elegance in the landscape
           

top
back to plant index

coontie-1.jpg (676908 bytes)

Botanical name:  Zamia pumila
Common name:  Coontie
Hardiness zones:  8B-11
Uses:  foundation; border; mass planting; accent; attracts butterflies
Florida native: yes
Plant type: evergreen shrub
Mature size:  2-4 feet tall by 3-5 feet wide
Flower:  male cone 6 inches long by 1-2 inches wide; female cone to 8 inches tall by 4 inches wide
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  high
Notes:  plant in mass for soft textured effect

top
back to plant index

dwarf fakahatchee grass

Botanical name:  Tripsacum floridana
Common name:  Florida Gamma Grass, Dwarf Fakahatchee Grass
Hardiness zones:  8A-11
Uses:  accent; border; mass planting; container or planter
Florida native:  yes
Plant type:  ornamental grass
Mature size:  3-4 feet tall by 4-6 feet wide
Flower:  inconspicuous
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought and poor drainage
Salt tolerance:  low
Notes:  foliage blows easily in light breezes providing a softening effect in the landscape

top
back to plant index

Indian hawthorne

Botanical name:  Raphiolepis indica
Common name:  Indian Hawthorn
Hardiness zones:  8A-11
Uses:  foundation; border; mass planting; container or planter; ground cover
Florida native:  no
Plant type:  evergreen shrub
Mature size:  3-6 feet tall and wide
Flower:  pink or white; showy in spring
Light requirement:  full sun for best growth
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  high
Notes:  select from disease-resistant cultivars and plant in full sun to avoid serious foliage disease; great shrub for the coast.

top
back to plant index

jatrophe

Botanical name:  Jatropha integerrima
Common name:  Peregrina, Jatropha
Hardiness zones:  10B-11
Uses:  accent; container or planter; attracts hummingbirds and butterflies
Florida native:  no
Plant type:  evergreen shrub
Mature size:  10-15 feet tall and wide
Flower:  red; showy year-round
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  moderate
Notes:  can be trained into an attractive small tree; in Zones 9A-B, frost kills plant to ground, but regrows in spring if previously well-established

top
back to plant index

Mexican heather

Botanical name:  Cuphea hyssopifolia
Common name:  False Heather, Mexican Heather
Hardiness zones:  8B-11
Uses:  ground cover; edging; tiny hedge; perennial border; mass planting; container
Florida native:  no
Plant type:  woody perennial
Mature size:  1-2 feet tall by 2-3 feet wide
Flower:  lavender or white; showy year-round
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  low
Notes:  often reseeds itself; attracts butterflies

top
back to plant index

muhly grass in bloom

Botanical name:  Muhlenbergia capillaris
Common name:  Muhly Grass
Hardiness zones:  7A-11
Uses:  dune stabilization; perennial border; accent; mass planting
Florida native:  yes
Plant type:  ornamental grass
Mature size:   3-5 feet tall by 3 feet wide
Flower:  creamy white; showy red seeds in fall
Light requirement:  full sun
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought and poor drainage
Salt tolerance:  high
Notes:  versatile grass for many different soil types

top
back to plant index

pentas blooming

Botanical name:  Pentas lanceolata
Common name:  Pentas
Hardiness zones:  8B-11
Uses:  accent; perennial border; container or planter; cut flowers; attracts hummingbirds and butterflies
Florida native:  no
Plant type:  annual or perennial
Mature size:  3 feet tall and wide
Flower:  red or pink; showy except in winter
Light requirement:  full sun to part shade
Soil pH tolerance:  acid
Soil moisture:  drought sensitive
Salt tolerance:  low
Notes:  easy to grow; dependable flowering plant for any garden

top
back to plant index

purple fountain grass

Botanical name:  Pennisetum setaceum
Common name:   Fountain Grass, Tender Fountain Grass
Hardiness zones:  8B-10B
Uses:  mass planting; container or planter; accent; border; cut flowers
Florida native:  no
Plant type:  ornamental grass
Mature size:  3-4 feet tall and wide
Flower:  creamy white to red; showy in summer, fall
Light requirement:  full sun
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates some drought
Salt tolerance:  none
Notes:  red-leaved selection most popular in certain regions; may escape cultivation; often lacks vigor unless irrigated
   

top
back to plant index

saw palmetto

Botanical name:  Serenoa repens
Common name:  Saw Palmetto
Hardiness zones:  8A-11
Uses:  dune stabilization; mass planting; accent; groundcover; attracts butterflies
Florida native:  yes
Plant type:  palm
Mature size:  5-8 feet tall and wide
Flower:  inconspicuous
Light requirement:  full sun to full shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  high
Notes:  spines along petiole make this a good barrier planting; varieties with blue foliage are very attractive

top
back to plant index

shrimp plant

Botanical name:  Justicia brandegeana
Common name:  Shrimp Plant 
Hardiness zones:  8B-11
Uses:  perennial border; mass planting; container or planter; attracts hummingbirds
Florida native:  no
Plant type:  herbaceous perennial
Mature size:  3-4 feet tall and wide
Flower:  red; showy year-round
Light requirement:  full sun to full shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates some drought
Salt tolerance:  none
Notes:  flowers periodically year-round, even in a partly shaded location; fertilize regularly to keep foliage green; spreads rapidly

top
back to plant index
Simpson's stopper

Botanical name:  Myrcianthes fragrans
Common name:  Simpson's Stopper, Twinberry
Hardiness zones:  9B-11
Uses:  hedge; screen; attracts butterflies; small tree
Florida native:  yes
Plant type:  evergreen shrub or tree
Mature size:  20-30 feet tall by 15-20 feet wide
Flower:  white; showy periodically throughout the year
Light requirement:  full sun to full shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought and poor drainage
Salt tolerance:  high
Notes:  bark shows off nicely when trained into small tree; dwarf cultivars available
Simpson's stopper in bloom

top
back to plant index

tea olive

Botanical name:  Osmanthus fragrans
Common name:  Sweet Osmanthus, Tea-Olive
Hardiness zones:  7B-9B
Uses:  hedge; screen; accent
Florida native:  no
Plant type:  evergreen shrub
Mature size:  15-20 feet tall by 10-15 feet wide
Flower:  creamy white; highly fragrant and somewhat showy in fall and winter
Light requirement:  full sun to part shade
Soil pH tolerance:  acid
Soil moisture:  tolerates moderate drought
Salt tolerance:  low
Notes:  perfumes garden during winter months; highly recommended

top
back to plant index

Texas sage

Botanical name:  Leucophyllum frutescens
Common name:  Texas Sage, Silverleaf
Hardiness zones:  8A-10B
Uses:  hedge; mass planting; container or planter; accent
Florida native:  no
Plant type:  evergreen shrub
Mature size:  5-8 feet tall by 4-6 feet wide
Flower:  lavender; showy in spring, summer
Light requirement:  full sun
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  moderate
Notes:  plant in sunny location for best growth and flowering; plants decline in shaded location

top
back to plant index

varnish leaf

Botanical name:  Dodonaea viscosa
Common name:  Varnish-Leaf
Hardiness zones:  9A-11
Uses:  hedge; accent; espalier; screen
Florida native:  yes
Plant type:  evergreen shrub
Mature size:  10-15 feet tall by 6-15 feet wide
Flower:  inconspicuous
Light requirement:  full sun
Soil pH tolerance:   acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  high
Notes:  fine-textured foliage makes this a good candidate for hedge

top
back to plant index

Walter's viburnum.jpg

Botanical name:  Viburnum obovatum
Common name:  Walter's Viburnum, Blackhaw
Hardiness zones:  7A-10B
Uses:  container or planter; espalier; hedge; screen; border; attracts butterflies; small tree
Florida native:  yes
Plant type:  evergreen shrub or tree
Mature size:  8-25 feet tall by 6-10 feet wide
Flower:  white, showy in spring
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought and poor drainage
Salt tolerance:  moderate
Notes:  makes a great hedge because of its small leaves; dwarf cultivars available

top
back to plant index

yaupon holly

Botanical name:  Ilex vomitoria 'Schellings'
Common name:  Dwarf Yaupon Holly
Hardiness zones:  7A-10B
Uses:  dune stabilization; bonsai; foundation; mass planting; hedge
Florida native:  yes
Plant type:  evergreen shrub
Mature size:  4-7 feet tall by 6-10 fee wide
Flower:  inconspicuous
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates drought and poor drainage
Salt tolerance:  high
Notes:  new foliage is red; stays dense but requires yearly clipping to keep within bounds

top
back to plant index

Japanese barberry

Botanical name:  Berberis thunbergii
Common name:  Japanese Barberry
Hardiness zones:  4A-9A
Uses:  foundation; border; mass planting; ground cover; hedge; edging
Florida native:  no
Plant type:  evergreen shrub
Mature size:  2-8 feet tall by 4-6 feet wide
Flower:  inconspicuous; white
Light requirement:  full sun to part shade
Soil pH tolerance: acid to alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  low
Notes:  dwarf selections make nice ground covers; cultivars available with either green or purple foliage

top
back to plant index

sand cordgrass

Botanical name:  Spartina bakeri
Common name:  Sand Cordgrass, Marsh Grass
Hardiness zones:  8B-11
Uses:  dune stabilization; reclamation; accent; border; edging; mass planting
Florida native:  yes
Plant type:  grass
Mature size:  3-4 feet tall and wide
Flower:  creamy white; showy in fall
Light requirement:  full sun
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates drought and poor drainage
Salt tolerance:  high
Notes:  adapts to many different soils; makes a soft, fine-textured accent

top
back to plant index

nandina - harbor dwarf

Botanical name:  Nandina domestica
Common name:  Nandina, Heavenly Bamboo
Hardiness zones:  6B - 10B
Uses:  screen; container or planter; mass planting; accent (in north Florida can invade nearby landscapes)
Florida native:  no  
Plant type:  evergreen shrub
Mature size:  6-8 feet tall by 2-3 feet wide
Flower:  white; showy in spring
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  low
Notes:  red fruits attract birds and squirrels; dwarf selections make good ground covers; spreads by seeds and       rhizomes; has invaded and become naturalized in some wooded areas in north Florida; dwarf cultivar available
nandina - firepower

 

top
back to plant index

boxwood

Botanical name:  Buxus microphylla
Common name:  Boxwood, Littleleaf Box
Hardiness zones:  6A-10A
Uses:  bonsai; edging; foundation; hedge
Florida native:  no
Plant type:  evergreen shrub
Mature size:  2-5 feet tall by 2-4 feet wide
Flower:  inconspicuous
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  none
Notes:  fabulous hedge for small garden spaces

top
back to plant index

Florida privet

Botanical name:  Forestiera segregata
Common name:  Florida Privet
Hardiness zones:  8B-11
Uses:  container or planter; hedge; espalier; screen; attracts butterflies
Florida native:  yes
Plant type:  evergreen shrub
Mature size:  10-15 feet tall by 5-10 feet wide
Flower:  white; inconspicuous; in spring and winter
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought and poor drainage
Salt tolerance:  high
Notes:  small foliage makes this a great candidate for hedge or screen

top
back to plant index

thryallis

Botanical name:  Galphimia glauca
Common name:  Thryallis, Shower-of-Gold
Hardiness zones:  9B-11
Uses:  hedge; perennial border; mass planting; container or planter
Florida native:  no
Plant type:  evergreen shrub
Mature size:  5-9 feet tall by 4-6 feet wide
Flower:  yellow; showy year-round
Light requirement:  full sun
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  low
Notes:  filled with bright yellow flowers nearly year-round

top
back to plant index

firebush

Botanical name:  Hamelia patens
Common name:  Firebush
Hardiness zones:  9A-11
Uses:  hedge; accent; screen; perennial border; mass planting; attracts butterflies and hummingbirds
Florida native:  yes
Plant type:  evergreen shrub
Mature size:  6-12 feet tall by 5-8 feet wide; dwarf cultivar available 4 feet high by 3 feet wide            
Flower:  reddish orange; showy year-round
Light requirement:  full sun to full shade
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates moderate drought and poor drainage
Salt tolerance:  none
Notes:  plants killed to ground by freezing temperatures but re-emerge in spring 

top
back to plant index

Japanese holly

Botanical name:  Ilex crenata
Common name:  Japanese Holly
Hardiness zones:  6A-9A
Uses:  foundation; mass planting; hedge
Florida native:  no
Plant type:  evergreen shrub
Mature size:  6-10 feet tall by 5-8 feet wide; dwarf cultivar 3-4 feet high by 3-5 feet wide
Flower:  inconspicuous
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates drought
Salt tolerance:  moderate
Notes: suited for residential landscapes because it is easy  to maintain at a small size; many cultivars available   for size and shape of canopy; the plant in Extension
landscape is a dwarf cultivar ('Helleri')
 

top
back to plant index
ligustrum

Botanical name:  Ligustrum japonicum
Common name:  Ligustrum, Japanese Privet
Hardiness zones:  7B-10A
Uses:  screen; accent; hedge; container or planter; small tree
Florida native:  no
Plant type:  evergreen shrub or tree
Mature size:  8-12 feet tall by 15-25 feet wide
Flower:  white; showy in spring and summer
Light requirement:  full sun to part shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  tolerates moderate drought
Salt tolerance:  high
Notes:  nice small tree; when clipping into hedge, keep top narrower than bottom; could seed into surrounding landscapes 

top
back to plant index

Japanese pittosporum

Botanical name:  Pittosporum tobira
Common name:  Japanese Pittosporum
Hardiness zones:  8A-11
Uses:  dune stabilization; screen; hedge; container or planter
Florida native:  no
Plant type:  evergreen shrub
Mature size:  8-12 feet tall by 12-18 feet wide
Flower:  white; fragrant and somewhat showy in late spring or summer
Light requirement:  full sun
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought; requires well-drained soil
Salt tolerance:   high
Notes:  versatile plant for all but wet locations; best suited for along the coast; are variegated cultivars available

top
back to plant index

podocarpus

Botanical name:  Podocarpus macrophyllus
Common name:  Yew Podocarpus, Japanese Yew
Hardiness zones:  8B-11
Uses:  screen; hedge; espalier; indoors; tree
Florida native:  no
Plant type:  medium-size, evergreen tree
Mature size:  30-40 feet tall by 20-25 feet wide
Flower:  inconspicuous
Light requirement:  full sun to mostly shaded
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  high
Notes:  good hedge for mostly shaded location; fruit is edible and juicy 

top
back to plant index

firecracker in  bloom

Botanical name:  Russelia equisetiformis
Common name:  Firecracker Plant
Hardiness zones:  9B-11
Uses:  container or planter; accent; mass planting; cascades down a wall
Florida native:  no
Plant type:  evergreen shrub
Mature size:  4-6 feet tall by 6-12 feet wide
Flower:  red; showy year-round
Light requirement:  full sun
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  moderate
Notes: good accent plant; white flower cultivar available

top
back to plant index

necklace pod

Botanical name:  Sophora tomentosa
Common name:  Necklace-Pod, Silver-Bush
Hardiness zones:  10A-11
Uses:  mass planting; perennial border; accent; attracts butterflies; long seed pods are distinctly beaded like a necklace
Florida native:  yes
Plant type:  evergreen shrub
Mature size:  6-10 feet tall by 8-12 feet wide
Flower:  yellow; showy periodically throughout the year
Light requirement:  full sun
Soil pH tolerance:  acid to alkaline
Soil moisture:  drought tolerant
Salt tolerance:  high
Notes:  can be trained into a small tree; in zone 9A frost kills plant to ground but regrows in spring if previously well-established
top
back to plant index

close-up of necklace pod in bloom

 

top
back to plant index

Persian shield

Botanical name:  Strobilanthes dyeranus
Common name:  Persian Shield
Hardiness zones:  9A-11
Uses:  container or planter; perennial border; accent; cut foliage/twigs
Florida native:  no
Plant type:  herbaceous perennial
Mature size:  4-5 feet tall and wide
Flower:  inconspicuous
Light requirement:  part shade to full shade
Soil pH tolerance:  acid to slightly alkaline
Soil moisture:  drought sensitive
Salt tolerance:  none
Notes:  grown as a perennial in northern Florida; purple foliage makes this a winner in any shady landscape

torulosa juniper
 top

back to plant index

Botanical name:  Juniperus chinensis 'Torulosa'
Common name:  Torulosa Juniper
Hardiness zones:  5B-11
Uses:  accent; screen; container or planter; espalier
Florida native:  no
Plant type:  evergreen shrub
Mature size:  10-15 feet tall by 6-8 feet wide
Flower:  inconspicuous
Light requirement:  full sun
Soil pH tolerance:  acid to alkaline
Soil moisture:  tolerates drought
Salt tolerance:  high
Notes:  bright green accent for a sunny location