What is a perennial plant?
Definition of Perennial: There are two ways to define the term perennial plant, a botanist's definition of perennial and a gardener's definition. A botanist defines a perennial as a plant whose life cycle is more than two years. Botanists classify plants as either annual, biennial, or perennial. Annuals complete their life cycle in a single year and then die of old age. Biennials take two years to complete their life cycle. Perennial flowers take more than two years to complete their life cycle.
For a gardener, the perennial vs. annual question also takes into account the weather tolerance of a plant and for gardeners, the definition of perennial is, a plant that survives the winter in my garden and comes back every year. For a perennial garden in Minnesota, a calla lily is an annual because it cannot tolerate the cold Minnesota winters, but in southern Florida, a calla lily is a perennial flower because it will live for many years.
Perennial flowering plants can be further divided into woody perennials like a tree or shrub and herbaceous perennials (not-woody) like peony or trillium. Plant Delights Nursery specializes in herbaceous perennials but we sell a few woody perennials too.
Our primary focus is on perennial flowers that are winter hardy in the southern US (Zone 6 and warmer) but we grow many perennial flowering plants that are cold tolerant in Zone 3, Zone 4, or Zone 5.
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Sold outNeolepisorus truncatus 'Lemon Lime'
Item #: 9792
Zones: 8a to 11
Dormancy: Evergreen
Height: 8" tall
Culture: Part Sun to Light Shade
Origin: China, Vietnam
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $29.00Regular priceUnit price per -
Nepeta 'Cat's Pajamas' PP 31,127
Item #: 16656
Zones: 3a to 8b
Dormancy: Winter
Height: 14" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular priceUnit price per
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Nepeta 'Purple Haze' PP 23,180
Item #: 9597
Zones: 5a to 8b, at least
Dormancy: Winter
Height: 10" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular priceUnit price per -
Nerium oleander 'Hardy Pink'
Item #: 3786
Zones: 7b to 10b
Dormancy: Evergreen
Height: 70" tall
Culture: Sun to Part Sun
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Sold outNerium oleander 'Mathilde Ferrier'
Item #: 3785
Zones: 7b to 10b
Dormancy: Evergreen
Height: 96" tall
Culture: Sun to Part Sun
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Nierembergia gracilis 'Starry Eyes'
Item #: 5660
Zones: 8a to 10b, at least
Dormancy: Winter
Height: 10" tall
Culture: Sun
Origin: Argentina
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Nolina nelsonii
Item #: 1484
Zones: 7b to 10b, at least
Dormancy: Evergreen
Height: 144" tall
Culture: Sun
Origin: Mexico
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Nothoscordum sellowianum
Item #: 6448
Zones: 7a to 9b, at least
Dormancy: Summer, Fall
Height: 1" tall
Culture: Sun to Part Sun
Origin: Argentina
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular priceUnit price per -
Notocactus laetivirens
Item #: 13470
Zones: 8a to 10b, at least
Dormancy: Evergreen
Height: 3" tall
Culture: Sun
Origin: Brazil
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Notocactus macracanthus
Item #: 17648
Zones: 8a to 10b, at least
Dormancy: Evergreen
Height: 3" tall
Culture: Sun
Origin: Argentina, Brazil, Columbia
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Oenothera fruticosa 'Fireworks'
Item #: 8719
Zones: 3a to 9b
Dormancy: Winter
Height: 20" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $20.00Regular priceUnit price per -
Oenothera riparia 'Colleton'
Item #: 17620
Zones: 7a to 9a, at least
Dormancy: Winter
Height: 36" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular priceUnit price per -
Onoclea sensibilis 'Supersize'
Item #: 9212
Zones: 3a to 9b
Dormancy: Winter
Height: 36" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Onoclea sensibilis 'Texas Too Tall'
Item #: 8279
Zones: 3a to 9b
Dormancy: Winter
Height: 42" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Ophiopogon japonicus 'Gyoku Ryu'
Item #: 551
Zones: 5a to 10b
Dormancy: Evergreen
Height: 3" tall
Culture: Part Sun to Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Ophiopogon japonicus 'Snow Globe'
Item #: 12977
Zones: 6a to 10b
Dormancy: Evergreen
Height: 2" tall
Culture: Part Sun to Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Ophiopogon planiscapus 'Kokuryu'
Item #: 721
Zones: 7a to 10b
Dormancy: Evergreen
Height: 6" tall
Culture: Part Sun to Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Opuntia cacanapa 'Ellisiana'
Item #: 5564
Zones: 7a to 10b, possibly colder
Dormancy: Evergreen
Height: 36" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Opuntia fragilis 'Potato'
Item #: 14256
Zones: 4a to 8b, at least
Dormancy: Evergreen
Height: 3" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Origanum calcaratum
Item #: 10263
Zones: 7a to 8b, at least
Dormancy: Winter
Height: 15" tall
Culture: Sun
Origin: Crete, Greece
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular priceUnit price per -
Orixa japonica 'Pearl Frost'
Item #: 15656
Zones: 5b to 8a, at least
Dormancy: Winter
Height: 96" tall
Culture: Part Sun to Light Shade
Origin: Japan, Korea
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $32.00Regular priceUnit price per -
Orontium aquaticum 'Tidewater'
Item #: 13045
Zones: 5a to 8b
Dormancy: Winter
Height: 12" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $24.00Regular priceUnit price per -
Osbeckia stellata var. crinita 'Cangshan'
Item #: 16227
Zones: 8a to 10b, at least
Dormancy: Winter
Height: 24" tall
Culture: Sun to Part Sun
Origin: Cambodia, China, Thailand
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $26.00Regular priceUnit price per -
Osmunda cinnamomea
Item #: 1366
Zones: 3a to 9b
Dormancy: Winter
Height: 36" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per
More Information About Perennials
Shop All Perennials!
Do you know what hardiness zone you are in? Use your zip code to find your zone! Below is our current list of perennial flowers for sale... A to Z. If you want to see all of the flowering perennials that we have sold in the past, please check out our Perennial Encyclopedia.