Southwest Regional Reports

Focal-Point Palms for Southern California

These specimen plants require little care but provide big impact with their intricate, textured foliage

Bismarck palm
Accentuate the icy blue coloration of Bismarck palm by planting it near red foliage or flowers. Photo: Cara Hanstein

We are fortunate in Southern California to be able to feature a variety of striking palms in our gardens. Often used as solitary specimens, these grasslike plants are worth investigating and introducing into your space. They add drama and character and evoke Southern California style with their rustling fronds.

different kinds of palms
Look to how the leaves connect to the stem to tell the difference between palmate (left) and pinnate (right) foliage. Photos: Cara Hanstein

Featuring palmate (palmlike) or pinnate (featherlike) fronds, palms offer diversity in their many forms. Single, multitrunk, and even vining palms can be found on every continent but Antarctica. There is a palm for almost any environment. But the palms I’ll focus on here are all full-sun and lower-water varieties. Keep in mind, however, that palms have shallow root systems and that most are not truly drought tolerant. Most will require regular water until establishment.

Guadalupe palm
Guadalupe palm exudes stately grandeur, especially at its mature height. Photo: Cara Hanstein

Guadalupe palm

Brahea edulis, Zones 9–11

This palm is native to Guadalupe Island, which is off the coast of Baja California. It cannot tolerate wet climates or freezing conditions but is tolerant of a variety of soil types, so it does extremely well in Southern California. This palm makes a statement at 30 feet tall. Plant it as a single specimen, and enjoy its palmate leaves and strong trunk.

European fan palm
This shrubby palm would be a great specimen to provide screening or hedging. Photo: Cara Hanstein

European fan palm

Chamaerops humilis, Zones 8–11

Also known as Mediterranean dwarf palm, this clustering palm is native to the rocky Mediterranean coastline and foothills of North Africa. It can make an impact as a solitary specimen or as a multitrunked mass planting. Because it grows in clusters, you need to ensure that you have the space for it, unless you plan to prune it and train it as a single-trunked specimen. Unpruned, it can grow 5 to 15 feet tall and up to 20 feet wide. I love the gray-green foliage and globed habit that the palmate leaves form. This is a drought-tolerant palm that does not tolerate wet conditions.

Triangle palm
Triangle-palm foliage fans out in a sheet, reminiscent of a peacock’s plumage. The effect is just as breathtaking. Photo: Wikimedia Commons

Triangle palm

Dypsis decaryi, Zones 9–11

Native to Madagascar, triangle palm is a stunner. Give this specimen palm a wide breadth. Its arching pinnate leaves are striking and can reach about 10 feet wide. The plant itself can reach 25 to 40 feet tall and 15 feet wide. Full sun and regular irrigation are required.

Jelly palm
Jelly palm has thick, bushy foliage and a domed habit. Photo: Cara Hanstein

Jelly palm

Butia capitata, Zones 9–11

Called jelly palm, butia palm, and pindo palm, this is by far my favorite palm for Southern California. It has a very unique, arching, recurved pinnate form, and the trunk is striking with its exposed leaf bases. The silvery blue foliage stands out. At maturity, this palm reaches 35 feet tall and 15 feet wide; if you have the space for it, it will be stunning in your garden. This palm is drought tolerant once established and tolerates full to partial shade.

palm with blue and silver foliage
This palm is unique for its tidy form and its blue and silver foliage. Photo: Cara Hanstein

Bismarck palm

Bismarckia nobilis, Zones 9–11

Native to the savanna of Madagascar, this solitary palm can reach 40 to 60 feet tall and 20 feet wide. Why feature such a large palm? Well, once you see one of these striking palms in person, you will understand the appeal. It has large, chunky palmate fronds with an ice blue coloration that really demands attention. This palm has medium water needs but is drought tolerant once established.

Pruning Your Palm: Less Is More

Palms are generally low maintenance and require very little in the way of pruning. In fact, many palms are overpruned and have their natural skirts removed. I like to see old fronds hanging on a palm; it creates an abundant habitat for local birds. Orioles, for example, like to overwinter in California palms (Washingtonia filifera, Zones 8b–11). I’ve seen this repeatedly, and it’s given me a better appreciation for the shaggy-palm approach to maintenance.

—Cara Hanstein is a head gardener at the Huntington Library, Art Museum, and Botanical Gardens in San Marino, California.

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