Perennial Landscape Plants
Though most of our landscape plants are perennials, what we mean by perennial landscape plants are small herbaceous plants that persist for more than a year, often for many years. Many perennial plants may reseed like annual plants do, and form small colonies in the garden. Perennials are often important nectar plants and larval host plants for insects.
Perennials tend to be some of the most magnificent flowering plants around as well.
We encourage you to mix up your perennials and try to diversify your perennial bed as best you can. Don’t forget to mix in some native grasses in your perennial bed—native grasses work well to support pollinators when mixed with flowering perennials.
Perennials tend to need some care, often they need to be cut back occasionally. And though they persist in the garden, they sometimes go dormant, dying to their roots only to re-emerge when its their season. Perennials, like all plants, may be winter-growing, summer-growing, or evergreen.
The following profiles are alphabetized by botanical name.
Photo of chocolate flower (Berlandiera lyrata) by Liz Markings, SEINET.
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Perennials: A-B
Anemopsis californica through Bouvardia ternifolia
Photo of Anemopsis californica by Max Licher, SEINET
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Perennials C-D
Calliandra humilis through Dyschoriste species
Photo of Conoclinium dissectum by Frankie Coburn, SEINET
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Perennials E-G
Encelia hamilifolia through Gymnosperma glutinosum
Photo of Epilobium canum by Sue Carnahan, SEINET
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Perennials H-I
Haplophyton crooksii through Iris missouriensis
Photo of Haplophyton crooksii by Liz Makings, SEINET
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Perennials J-L
Jatropha macrorhiza through Loeselia mexicana
Photo of Lobelia laxiflora by Sue Carnahan, SEINET
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Perennials M-O
Machaeranthera tanacetifolia through Oxalis spp.
Photo of Mirabilis longiflora by Frankie Coburn, SEINET
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Perennials P-Q
Parthenium argentatum though some future perennial genus beginning with Q
Photo of Penstemon palmeri by Anthony Mendoza, SEINET
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Perennials R-S
Ratibida columnaris through Symphytotricum spp.
Photo of Silene lacinata by Charles Minckley, SEINET
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Perennials T-V
Tagetes lemmonii through Viguiera stenoloba
Photo of Trichostema arizonicum by Liz Makings, SEINET
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Perennials W-Z
Wedelia acapulcensis through Zinnia grandiflora
Photo of Zinnia acerosa by Ries Lindley, SEINET