Horsford Gardens & Nursery - Perennials
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Iberis sempervirens 'Tahoe'
Candytuft
ZONE 3-9, HT 6-8", SUN/PART SUN
A compact, very well-branched evergreen perennial that welcomes spring with its snow white blossoms. Prefers well drained soils and is drought tolerant.

Iberis 'Snowflake'
Candy Tuft

ZONE 3, HT 8-10”, SUN       
This is a wonderful drought tolerant evergreen groundcover.  It is covered with tons of white flowers in spring.


Inula ensifolia
Inula
ZONE 4-9, HT 12", SUN
Brighten any spot in your garden with Inula's soft yellow daisy-like flowers. Makes a good edging plant.

Iris 'Black Gamecock'  
Louisiana Water Iris     

ZONE 4-10, HT 48", PART SUN      
Yes, I have been assured by our supplier that university studies have shown this plant to be hardy to zone 4! Black petals with a bright yellow stripe near the base. Flowers in early summer, tolerant of wet areas, good cut flower.


Iris cristata
Dwarf Crested Iris
ZONE 3-8, HT 4-6", SUN/PART SUN
This low, native iris flowers blue with a yellow crest in mid spring. A good edging plant or use as groundcover. Ideal for shade in well drained, acidic soil.

 
Iris cristata 'Powder Blue Giant'        
Dwarf Crested Iris

ZONE 5, HT 6-8”, SUN/PT SUN      
A vigorous spreader and very easy to grow!  Light blue flowers with golden crests and dark blue accents in early spring.  A lovely addition to any garden with good drainage.  Perfect for rock gardens, as an edging plant, or a groundcover.


Iris ensata 'Center of Interest'
Japanese Iris
ZONE 4-9, HT 24", SUN/PART SUN
Very large, blue flowers with white and yellow centers and blue-edged stamens in mid summer. Loves moist soil in full sun.

Iris ensata 'Eden's Blue Pearl'
Japanese Iris
ZONE 4-9, HT 34", SUN/PART SUN
Sky blue flowers with white veins in mid summer. Got a marshy spot in your garden? This will love it!

Iris ensata 'Eden's Delight'
Japanese Iris
ZONE 4-9, HT 34", SUN/PART SUN
Large, purple, ruffled flowers with a small yellow mark near the throat. Prefers somewhat heavy, acid soil with ample water.

Iris ensata 'Gracieuse'
Japanese Iris
ZONE 4-9, HT 36", SUN/PART SUN
Large white flowers with delicate lilac edges appear in mid summer -- truly elegant. Prefers somewhat heavy acid soil with ample water.

Iris ensata 'Pink Frost'  
Japanese Iris  
 

ZONE 4-9, HT 24", SUN       
Large, soft pink flowers with yellow streaks. Petals are slightly ruffled at the edges. A great cut flower that tolerates wet growing conditions.


Iris ensata variegata     
Variegated Japanese Iris          

ZONE 4-9, HT 32", SUN       
Large blue flowers in June and July with variegated leaves. Prefers somewhat heavy, acid soil with ample water.


 
Iris germanica 'Batik'       
German Bearded Iris   

ZONE 3, HT 26", SUN          
A great accent plant for a late spring garden.  Very distinct royal purple blooms streaked with white markings.  Blooms late May to early June.  Be sure to plant in well drained soil and avoid overwatering.


 
Iris germanica 'Before the Storm'       German Bearded Iris   

ZONE 3, HT 37", SUN          
This is the darkest purple iris we grow.  The stunning black-purple flowers bloom early to mid June.  Plant in a sunny location to produce the most blooms.  Tolerates part day sun, but will not bloom as profusely.  Needs well drained soil.  Enjoy the subtle sweet scent either in your garden or in a floral arrangement.


 
Iris germanica 'Chasing Rainbows'      

ZONE 3-8, HT 34", FULL SUN        
This tall bearded iris truly is rainbow with pink, magenta, and violet ruffles. Blooms mid to late season.


 
Iris germanica 'City Slicker'       German Bearded Iris   

ZONE 3-8, HT 36", FULL SUN        
Bright yellow beards with mahogany falls. Mid to late season bloomer.


 
Iris germanica 'Descanso'          German Bearded Iris   

ZONE 3-8, HT 36", FULL SUN        
Bright tangerine beards with creamy pink falls in midsummer.


 
Iris germanica 'Enchanted One' German Iris     

ZONE 3-8, HT 35", FULL SUN        
This iris first blooms in midsummer and then reblooms in September. It has bright yellow standards with white beards. The falls are covered with violet veining.


 
Iris germanica 'Feed Back'
German Bearded Iris   

ZONE 3, HT 36", SUN          
The large blue-violet blooms of this early blooming, fragrant iris are absolutely stunning.  Wide ruffled petals and yellow beards.  Reliably blooms again in the fall.  Performs best in well drained soil.  Plant with other reblooming varieties such as 'Immortality' and 'Harvest of Memories' for a variety of color in autumn.


 
Iris germanica 'Harvest of Memories' German Bearded Iris   

ZONE 3, HT 38", SUN          
This vigorous grower is loaded with buds in late May that produce radiant yellow ruffled blooms.  A great choice for both a specimen or a mass planting.  Overwatering may compromise flowering and overall performance.  Will bloom again in fall.


 
Iris germanica 'Pass the Wine'   German Bearded Iris   

ZONE 3-8, 36", FULL SUN  
This bearded iris is absolutely loaded with buds that give way to glistening blooms in midsummer. Pale creamy pink standards with wine colored falls and a yellow beard.


 
Iris germanica 'Princess Caroline de Monaco' 
German Bearded Iris   

ZONE 3-10, HT 34", FULL SUN 
This elegant iris blooms early in the season with light blue ruffled petals and bright tangerine beards.


 
Iris germanica 'Savannah Sunset'          
Bearded German Iris
     

ZONE 3-9, HT 38", FULL SUN        
Bright orange flowers. 8-10 buds per stem.


 
Iris germanica 'Space Viking'    German Bearded Iris      

ZONE 3-8, HT 38", FULL SUN        
Dark purple ruffles with blue-violet beards in midsummer. Very showy!


 
Iris germanica 'Swingtown'        German Bearded Iris 

ZONE 3, HT 36", FULL SUN
Mulberry ruffled petals. A prolific bloomer with a sweet lavender fragrance in midsummer.


Iris pseudacorus
Yellow Flag Iris
ZONE 5-8, HT 4', SUN
Wonderful plants for bog gardens or to edge streams and ponds. Loads of yellow flowers in early summer. Prefers moist or wet soil. Caution: can be invasive in some areas.

 
Iris sibirica 'Blue Moon'
Siberian Iris
ZONE 4-9, HT 36", SUN/PART SUN
A stunning Siberian iris with violet blue falls and contrasting clear blue styles. Blooms in late June with attractive, graceful foliage all summer. The seed pods are great in your fall and holiday arrangements.

 
Iris sibirica 'Butter & Sugar'
Siberian Iris

ZONE 3, HT 28", SUN          
A great choice for mass plantings or just adding a few to your sun garden. Grassy foliage forms upright clumps. Buttery yellow and white bicolored flowers first appear in early summer and may repeat bloom.


Iris sibirica 'Caesar's Brother'
Siberian Iris
ZONE 3-9, HT 42", SUN
Rich, deep blue flowers held high above the sword-like foliage in early summer. These have always been an attention getter in our display garden.

Iris sibirica ''Dreaming Spires'
Siberian Iris

ZONE 5, HT 36”, SUN/PT SUN        
Sky blue flowers in early to mid summer.  Does best in moist soils.


Iris sibirica 'Eric the Red'
Siberian Iris
ZONE 3-9, HT 36", SUN
Striking for its wine red blooms with blue and white centers in early summer. The foliage looks great all season.

Iris sibirica 'Four Fold'
Siberian Iris
ZONES 3-9, HT 36-48", SUN
A vigorous grower with yellow throated white flowers appearing in late spring to early summer. Foliage is grassy, or sword-like.

 
Iris sibirica 'Isabelle'
Siberian Iris

ZONE 3, HT 24-36”, SUN     
Creamy white standards with yellow falls.  Blooms in early to mid summer.  Looks really great when planted among perennials with chartreuse or dark colored foliage. Try pairing with Cimicifuga.


Iris sibirica 'Ottawa'
Siberian Iris
ZONES 3-9, HT 36-48", SUN
Excellent rich blue flowers above sword-like foliage in early summer.

Iris sibirica 'Peg Edwards'         Siberian Iris

ZONE 3, HT 32", SUN          
Blue-violet petals that are darker in the center and lighter, silvery at the edge. Tolerates moist soils.


Iris sibirica 'Pink Haze'
Siberian Iris
ZONES 3-9, HT 30-36", SUN
A warm, lavender bloom with a crimson blaze above grassy green foliage in early summer.

Iris sibirica 'Piorette'     
Siberian Iris 

ZONE 3-9, HT 24-36", FULL/PART SUN     Marsh plant, good for planting in wet areas. Lovely deep blue flowers.


 
Iris sibirica 'Reddy Maid'     
Siberian Iris              
        

ZONE 3, HT 36", SUN          
This Siberian Iris blooms earlier than other varieties. Its wine red flowers will make a bold statement in your garden in late spring. Performs best in moist acidic soils and full sun.


 
Iris sibirica 'Roanoke's Choice'      Siberian Iris                      

ZONE 4, HT 24-32”, SUN     
Forms an elegant clump of deep green grass-like foliage.  Lilac flowers with yellow centers open from long stems extending from the foliage.  A heavy bloomer that is very easy to grow! Blooms late spring/early summer.


 
Iris sibirica 'Ruffled Velvet'     
Siberian Iris              
        

ZONE 3-9, HT 24-30", SUN 
Deep velvety violet flowers with etching in black and gold in the center of each fall. Falls curl under to expose feathered centers.


 
Iris sibirica 'Sakagami'     
Siberian Iris              
        

ZONE 3, HT 48", SUN          
This tall Siberian Iris has very dark purple flowers in early summer. Provide this iris with plenty of moisture and sunlight, and you will be rewarded with healthy green foliage and impressive blooms. Pair with Iris sibirica 'Butter and Sugar' for a great complimentary effect in your garden.


Iris sibirica 'Sea Shadow'          Siberian Iris      

ZONE 3-9, HT 48", SUN       
A striking iris with large, violet-blue flowers sporting flaring falls. Blooms appear above the foliage in early summer.


 
Iris sibirica 'Shirley Pope'     
Siberian Iris              
        

ZONE 3, HT 30", SUN          
Velvety dark blue flowers appear in early summer. An excellent addition to your sun garden. Be sure to provide plenty of moisture and sun for optimal blooming.


 
Iris sibirica 'Silver Edge'     
Siberian Iris              
        

ZONE 2, HT 27-29”, SUN     
A trouble free perennial with a beautiful display of butterfly-like flowers in late spring.  Medium blue flowers with silver edging.  Very tolerant of wet sites and suitable for stream bank or pond side plantings.


 
Iris sibirica 'Sparkling Rose'      Siberian Iris                      

ZONE 3, HT 40”, SUN          
Glowing violet-rose flowers with prominent veining in June.  Suitable for the dry border or a bog garden.


Iris sibirica 'Tropic Night'          Siberian Iris        

ZONE 3-9, HT 30", SUN       
Sultry, deep blue-purple flowers are 3 1/2" across. Late bloomer.


Iris sibirica 'White Swirl'
Siberian Iris
ZONE 3-9, HT 32", SUN
Ruffled white with a slight hint of yellow at the throat. Blooms midseason.

Iris versicolor
Blueflag
ZONE 3-9, HT 24-30", SUN/PART SUN
This common wild iris is still one of our favorites! Blue flowers in early summer are splashed with yellow and white, very hardy and reliable. Plant in ordinary garden soil, but will tolerate wet areas.

Iris versicolor 'Kermesina'        
Blue Flag Iris   

ZONE 2, HT 1-2’, PT/FULL SUN     
A low maintenance plant with long lasting blooms in shades of purple and red.  Blooms late spring into mid summer.  Tolerates a variety of soil conditions.


Iris x germanica 'Champagne Elegance'
Bearded Iris
ZONE 3-9, HT 34", SUN/PART SUN
This prolific rebloomer produces elegant flowers with near-white standards and a blend of buff, apricot and peach falls. Bearded iris prefer slightly alkaline, well drained soil.

Iris x germanica 'Immortality'
Bearded Iris
ZONE 3-9, HT 30", SUN/PART SUN
This spectacular bearded iris can be seen blooming on the west side of our greenhouse in late spring and, amazingly, again in the fall. The pure white blooms have yellow beards and are delightfully fragrant.

Jeffersonia diphylla
Twinleaf
ZONES 3-8, HT 10-12", FULL/DAPPLED SHADE
Eastern U.S. native, this clump-forming plant is useful as a specimen or en masse. Twin, liver-shaped, dusty blue-green leaves with white flowers in May followed by interesting pipe-shaped seed pods. Prefers moist, humus soil but will tolerate dryness once established.

Kirengeshoma palmata
Yellow Wax Bells
ZONE 5-9, HT 36", PART SUN
Hailing from the cool forests of Japan and Korea, this upright perennial has arching stems with large, lobed, soft-green leaves. Produces waxy yellow flowers in summer. Requires moist, humus rich, lime-free soil.

  Kniphofia 'Grandiflora Mixture'
Red Hot Poker

ZONE 5, HT 48", SUN          
This is a great accent plant for your perennial garden. Flowers in shades of orange and cream stand above the yucca-like foliage. Performs best in well drained soils.


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