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Midnight Oil German Iris

A late spring surprise

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  • Sun Exposure: Full Sun
  • Height/Habit: 34 - 36 inches
  • Zone: 3-9
  • Flowering Date: Blooms mid-late spring
  • Ship As: #1 RHIZOME
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We ship this item in Fall

Midnight Oil German Iris

There is no true black iris, but iris enthusiasts adore Midnight Oil because its deep purple blooms get exceptionally close. This is such a useful color for mixed borders because it adds depth and drama to the display. It's especially charming in contrast to soft, pastel pink blooms. It blooms late in the season, giving the spring landscape one final boost of energy and excitement before summer blooms take over. Great for low-maintenance naturalizing—it's easy-care and deer tend not to bother it. We also like it as a sweetly fragrant cut-flower. Iris Germanica 'Midnight Oil'
Product Details
  • Season Fall
  • Unit of Measure1
  • Botanical NameIris Germanica 'Midnight Oil'
  • Sun ExposureFull Sun
  • State RestrictionsAE AK GU HI PR
  • Spread12 - 18 inches
  • Spacing12 - 18 inches
  • Hardiness Zone3-9
  • Flowering DateBlooms mid-late spring
  • Planting InstructionsPlant so tops of the rhizomes are exposed and the roots are spread out facing downwards in the soil.
  • Winter CareMulch in colder climates and remove in early spring.
  • Flower Color:black
  • Flower FormLarge ebony black bloom
  • Foliage TypeLong narrow green lance shaped leaves.
  • Soil RequirementAverage, well drained.
  • Watering RequirementNeed consistent watering but do not overwater.
  • PruningDivide when clumps becomes crowded and bloom diminishes about every 3 to 4 years during the summer. After hard frost in the fall, cut foliage back.
  • Additional InformationNot a rebloomer.
  • Shipped#1 RHIZOME
  • Height/Habit34 - 36 inches
  • Growth RateFast
Shipping Information
When will my order ship?

Plants will be shipped at the proper planting time for your area of the country during the shipping timeframes outlined below:

2019 Fall Shipping Schedule
Zone German Iris and Select Items
1A - 4B 8/12/19 - 11/1/19
5A 8/12/19 - 11/1/19
5B 8/12/19 - 11/1/19
6A & 6B 8/12/19 - 11/1/19
7A 8/12/19 - 11/15/19
7B 8/19/19 - 11/15/19
8A & 8B 8/19/19 - 11/15/19
9A-10B 8/19/19 - 11/15/19
Last Order Date Zones 1-6: 10/28/19
Zones 7-10: 11/11/19

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