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Lantana – ‘Radiation’

Lantana camara ‘Radiation’

Radiation Lantana
Shrubs

One of the larger, more upright lantanas, with bicolor clusters of orange-red and yellow flowers. It thrives in the Phoenix heat and keeps blooming through summer and into fall.

Medium
Full sunpreferred
Yellow
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Mature size4–6′ tall and wide; often kept near 3′
Growth rateFast in warm weather
Water useLow to moderate; more in summer heat
SunFull or reflected sun
BloomOrange-red and yellow, spring until frost
Cold hardinessFrost-tender; may die back in hard freezes, regrows in spring
FoliageDark green, rough, aromatic; evergreen in mild winters
BerriesSmall, dark purple; toxic if eaten

Living with it in the Phoenix Valley

Watering

Follow the shrub schedule in our Landscape Care guide. It handles dry spells once established but blooms far better with regular water in summer. It needs much less in winter.

Pruning

Leave frost-damaged stems in place through winter. After the last frost, cut it back hard to control size and bring on fresh growth. Because it grows larger than most lantanas, a light summer trim may be needed to keep it in bounds.

Cold

A mild winter leaves it mostly leafy. After a hard freeze it may look bare until spring, then regrows quickly.

Pests

Whiteflies can appear in late summer and early fall. A strong spray of water helps.

How our designers use it

Flowering hedge or backdrop

Its taller size lets it work as a low, informal flowering hedge or as a backdrop to smaller plants.

Hot, sunny beds

It handles west exposures and reflected heat from walls and paving while staying in bloom.

Warm color schemes

Its orange-red tones pair well with yellow hesperaloe, golden barrels and dark foliage.

Good to know

Around the pool

No thorns, but the flowers draw bees and butterflies, and the dark berries can drop and stain light paving. Keep it back from the water and decking.

Pets and children

The ASPCA lists lantana as toxic to dogs, cats and horses. The unripe berries are also poisonous if eaten.

Pairs well with

Similar plants

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Our designers can show you where it will thrive, what to plant beneath it and how it fits the rest of your landscape.

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