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Iris Dutch 'White Excelsior'

  • »  Florist favorite
  • »  Long vase life
  • »  Long, strong stems



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Attributes
Border or Bed
Container
Naturalizing
Spring Bloomer
Critter Resistance
Deer Resistant
Exposure
Full Sun
Partial Sun
Habit
Upright
Season of Interest (Flowering)
Spring
Soil Moisture
Average Water
Moist, Well-Drained

Storage After Arrival

Storing iris is not advised. They should be planted as soon as possible. If they have to be stored, they should be kept in a cool area with good air circulation.

 

Planting Medium/Planting Procedure  

Any good well-draining garden soil. Water just enough to be sure the plant's root system can establish. Good ventilation helps prevent fungal disease.  

 

Fertilization

A low-nitrogen fertilizer; 6-10-10 or 5-10-10 is best. Lightly sprinkle small amount of fertilizer around outside of plant. Fertilize twice a year, in spring about a month before bloom and then again one month after bloom. Be careful fertilizer does not come into contact directly with rhizome. 

 

Light and Temperature Requirements  

Full sun is best. At least 5 hours of sun per day. If not planted or in pots, they should not be allowed to freeze.

 

*Approximate

**Approximate

Shipdate

Variety

Flower Date/Holiday

Flower Date/Holiday

Oct 17

White, Blue

Jan 6

 

Nov 17

All Varieties

Jan 24

 

Nov 14

All Varieties

Feb 7

Feb 21

Nov 28

All Varieties

Feb 23

Mar 7

Dec 12

All Varieties

Mar 7

Mar 21

Dec 26

All Varieties

Apr 12

Apr 18

Jan 9, 2023

All Varieties

Apr 26

Apr 25

Jan 23

All Varieties

May 9

May 9

Feb 6

All Varieties

May 16

May 17

Feb 20

All Varieties

May 23

May 23

Mar 6

All Varieties

May 31

May 30

 

*Approximate Flower Date @ 52-55°F - White, Blue

**Approximate Flower Date @ 52-55°F Yellow  

Please note: Iris will ship a week earlier if needed around the holidays.