While the list is not a long one, we have some really special varieties of perennial plants and flowers that have botanical names starting with the letter 'I'. You really can't go wrong with an iris and Iris x ampliflora 'Ming Treasure' is one of the best. If you would like a something to brighten up your winter garden, try Illicium parviflorum 'Florida Sunshine', a 2007 Plant Delights/JLBG introduction.
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Ilex vomitoria 'Oscar'
Item #: 13270
Zones: 7a to 10b
Dormancy: Evergreen
Height: 36" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $24.00Regular priceUnit price per -
Illicium parviflorum 'Florida Sunshine'
Item #: 6945
Zones: 6a to 9b
Dormancy: Evergreen
Height: 96" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Impatiens omeiana 'Silver Pinkster'
Item #: 16640
Zones: 5b to 8b, at least
Dormancy: Winter
Height: 8" tall
Culture: Part Sun to Light Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Indigofera kirilowii 'Bernheim'
Item #: 11083
Zones: 4b to 8b
Dormancy: Winter
Height: 60" tall
Culture: Sun to Part Sun
Origin: China, Japan, Korea
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $24.00Regular priceUnit price per -
Ipheion peregrinans 'Rolf Fiedler'
Item #: 5268
Zones: 7a to 10b
Dormancy: Summer, Fall
Height: 5" tall
Culture: Sun to Part Sun
Origin: Uruguay
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular priceUnit price per -
Ipheion uniflorum 'Greystone'
Item #: 8519
Zones: 6b to 9b, at least
Dormancy: Summer, Fall
Height: 8" tall
Culture: Sun to Part Sun
Origin: Argentina, South America
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular 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 '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 -
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 -
Iris 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 -
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 -
Iris 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 -
Isodon 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
More Information About Plants that start with 'I'
List of Perennials That Start With the Letter 'I'
Below are some of the genera in our collection with Latin names starting with I.
- Illicium
- Impatiens
- Indigofera
- Ipheion
- Iris
- Isodon
- Isopyrum