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.
-
Sold outIris brevicaulis 'Yucca Do Blue'
Item #: 16866
Zones: 6a to 10b, at least
Dormancy: Evergreen
Height: 24" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $26.00Regular priceUnit price per
Next crop available: 04/10/2026Sold out -
Iris cristata 'Eco Orchid Giant'
Item #: 17856
Zones: 3a to 8b
Dormancy: Winter
Height: 5" tall
Culture: Part Sun to Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Iris cristata 'Eco White Angel'
Item #: 6995
Zones: 3a to 8b
Dormancy: Winter
Height: 6" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Iris cristata 'Edgar Anderson'
Item #: 4074
Zones: 3a to 8b
Dormancy: Winter
Height: 8" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Iris cristata 'Merle's Ruby'
Item #: 10193
Zones: 3a to 8b
Dormancy: Winter
Height: 8" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Iris cristata 'Mountain Girl'
Item #: 10784
Zones: 3a to 8b
Dormancy: Winter
Height: 6" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Iris cristata 'Powder Blue Giant'
Item #: 2592
Zones: 3a to 8b
Dormancy: Winter
Height: 12" tall
Culture: Part Sun to Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Sold outIris cristata 'Vein Mountain'
Item #: 4073
Zones: 3a 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 $25.00Regular priceUnit price per -
Iris ensata 'Flashing Koi'
Item #: 1686
Zones: 5a to 9b
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Iris ensata 'Silverband'
Item #: 1349
Zones: 5a to 9b
Dormancy: Winter
Height: 28" tall
Culture: Sun to Part Sun
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Iris fulva 'Little Cajun'
Item #: 9206
Zones: 6a to 9b, at least
Dormancy: Evergreen
Height: 20" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Iris giganticaerulea 'Boutte'
Item #: 17196
Zones: 6a to 10b
Dormancy: Evergreen
Height: 48" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Sold outIris japonica 'Eco Easter'
Item #: 5768
Zones: 7a to 10b
Dormancy: Evergreen
Height: 12" tall
Culture: Light Shade to Shade
Origin: China, Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Sold outIris japonica 'Porcelain Maiden'
Item #: 9990
Zones: 7a to 10b
Dormancy: Evergreen
Height: 24" tall
Culture: Light Shade to Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Sold outIris japonica 'Wuhan Angel'
Item #: 8518
Zones: 7b to 10b, at least
Dormancy: Evergreen
Height: 20" tall
Culture: Part Sun to Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Iris x louisiana 'Red Velvet Elvis'
Item #: 8905
Zones: 6a to 10b
Dormancy: Summer
Height: 36" tall
Culture: Sun to Part Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Iris x pseudata 'Shiryukyo'
Item #: 10879
Zones: 5a to 9b
Dormancy: Winter
Height: 54" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Iris x pseudata 'Yarai'
Item #: 10881
Zones: 5a to 9b
Dormancy: Winter
Height: 24" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Iris x robusta 'Gerald Darby'
Item #: 1708
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 24" tall
Culture: Sun to Light Shade
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Iris 'Roy Davidson'
Item #: 10614
Zones: 5a to 9b
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Sold outIris tectorum 'Snow on the Roof'
Item #: 17609
Zones: 5a to 9b
Dormancy: Winter
Height: 15" tall
Culture: Sun to Light Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Sold outIris unguicularis 'Dazzling Eyes'
Item #: 9823
Zones: 6b to 9b, at least
Dormancy: Summer
Height: 15" tall
Culture: Sun to Part Sun
Origin: Mediterranean Europe, Northern Africa
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $29.00Regular priceUnit price per -
Sold outIsodon effusus
Item #: 5413
Zones: 6a to 8b
Dormancy: Winter
Height: 36" tall
Culture: Part Sun to Light Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Juncus inflexus 'Afro'
Item #: 2925
Zones: 4a to 10b
Dormancy:
Height: 15" tall
Culture: Sun to Part Sun
Origin: Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular 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.