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Scientific: Lantana (in the Phoenix area this is mostly either L. montevidensis or hybrid cultivars of L. montevidensis and L. camara)
Common: lantana, trailing lantana
Family: Verbenaceae
Origin: Tropical America, but able to naturalize in moist, warmer regions worldwide.

Invasive alert: Lantana camara has naturalized in moist, warm parts of the continential United States including the lower southeastern United States and Florida to south Texas, coastal southern California and Hawaii where it is often considered a noxious weed.

Pronounciation: Lan-TAN-na

Hardiness zones:
Sunset 8-10 and 12-13 (often cold damage), 14-24, all other zones as a summer annual
USDA 1-8 (as a summer annual), 9-11 (as a herbaceous to semi-woody perennial)

Landscape Use: The form and shape of lantana hybrids can vary widely, which expands its use potential in the landscape. Lantana with its versatile and dependable color display, has a variety of landscape uses such as a summer annual or perennial accent shrub, large scale landscape ground cover, informal hedge, raised planters, hanging baskets and containers. Lantana is the quintessential 'oasis' landscape design sub-shrub for near year around color accent in the Phoenix area.

Form & Character: Evergreen shrub of variable form depending on cultivated variety ranging from upright and rounded to flattened and spreading, free flowering, cheerful, bright, tropical.

Growth Habit: Mostly a herbaceous, tender, evergreen perennial sub-shrub. The growth habit of hybrid cultivars depends on cultivar type, ranging in habit from an upright shrub up to 6 feet tall to a prostrate and spreading ground cover shrub less that 18 inches tall.

Foliage/Texture: Small, ovate scabrous (scratchy like sandpaper) leaves with serrate margins on generally wirey and brittle stem; medium texture.

Flowers & Fruits: Lantana has terminal cluster of flowers, many colors from white, to orange to pink to red, multi-colored, followed by black berries. All prostrate lantanas with purple flowers are L. montevidensis.

Seasonal Color: Lantana hybrids can produce flowers for most of the year.

Temperature: Heat loving, but cold sensitive. Most lantana will suffer frost and freeze injury during most Phoenix winters in exposed locations. Otherwise, Lantana hybrids are more sparsely foliated and sometimes dormant during winter. Lantana montevidensis is a bit the most cold tolerant, but will still suffer freeze damage below 27oF.

Light: Full sun to partial shade, no full shade.

Soil: Tolerant

Watering: Lantana has limited drought tolerance in Phoenix. Regular applications of supplemental water especially during summer months is best.

Pruning: Prune lightly as needed, or head back hard to near ground level in early spring after the danger of frost has past. In Phoenix, if lantana is frost or freeze damaged during winter (happens less frequently lately because of the expanding urban heat island), then don't immediately remove the unsightly, dead shoots (wait until early spring) as these damaged shoots will protect underneath living shoots from further cold injury.

Propagation: Lantana is VERY EASY to propagate by vegetative softwood cuttings. Seed propagation is reserved mostly for cross breeding of species.

Disease and Pests: In the late summer and early fall there are white flies!!!! Oh yeah, can you say ice cream??

Additional comments: Lantana is a "bullet proof", "go too" plant for amenity landscaping in Phoenix. So very dependable!

For ground covers most horticulturist and landscape designers will select L. montevidensis (mostly purple flowers, sometimes white, most of the year) because of its trailing, prostrate habit. Note however that new hybrid cultivars of the lantana hybrids with other flower colors such as red, yellow and orange that have prostrate trailing habits are being grown and marketed each year.

Some common lantana hybrids cultuvars include:

Health advisory: Lantana sap is poisonous and can irritate human skin. Green, unripe fruits can if ingested cause dizziness, weakness, vomiting, cardiac arrhythmia, and even death.