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German Iris Open Sea

German Iris Open Sea

Award-winning variety with flamboyant ruffles and a rich blue color. Large blooms are ideal for back borders, mass plantings and dramatic arrangements.

Paint your client's gardens with incredible color that towers high and will surely catch their eyes! We have 8 brand new varieties in a cornucopia of colors, flower forms and foliage that flourish in full sun.
  • Hardiness Zones 4-9
  • Mature Height 47 inches
  • Bloom Time Mid spring
  • Light Requirements Full Sun, Half Sun / Half Shade
  • Deer Resistant
  • Cut Flower
  • Naturalizes Well

We ship this item in Fall

Botanical Name: Iris germanica 'Open Sea'

#71215

Availability: In Stock

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Product Details

  • Restricted States US:

    AE AK GU HI PR VI
  • Botanical Name :

    Iris germanica 'Open Sea'
  • Ship As :

    Bare Root
  • Size :

    NO.1
  • Suggested Uses:

    Borders, Bouquets, Cut Flowers, Perennializing, Showy Flowers
  • Flower Color :

    blue
  • Flower Form :

    Huge, 6-6.5" heavily ruffled flowers.
  • Foliage Type :

    Glaucous-green, sword-like fans of stiff upright leaves with some dying back in colder climates in winter.
  • Mature Spread :

    18 - 24 inches
  • Spacing:

    24 inches

Growing Tips

  • Planting Instructions :

    Set rhizome so bottom half is below ground level. Firm well and water thoroughly. Plant where they will get at least 5 hours of sun per day.
  • Soil Moisture :

    Well drained preferred. Quite tolerant of a wide range of soils.
  • Will Tolerate :

    Acidic Soil, Clay Soil, Loamy Soil, Sandy Soil
  • Pruning Instructions :

    Remove spent flower stems after blooming. In late fall, cut back foliage to 6" fans. Clean plant debris before winter to prevent borers overwintering.
  • Winter Care :

    Mulch in colder climates (2" layer) and remove in early spring before growth starts.
  • Planting Depth :

    Set rhizome so bottom half is below ground level.
  • Watering Requirements :

    Average water needs. Water regularly, do not overwater
  • Fertilization Requirements :

    Once or twice per year. In spring and summer.
  • Special Care :

    Not needed

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Shipping Information

K. van Bourgondien times its shipments from Holland so that bulbs arrive at the proper planting time (depending on climatic conditions) for each area of North America.

We take advance reservations, and then just as soon as the crops are harvested, our staff of K. van Bourgondien experts makes an on-the-spot selection of the finest bulbs available to fill those reservations.

We will pack and ship your order based on the following schedules.


       Fall 2019 Shipping Schedule

  • Bulbs and Perennials
    Zones First day to ship Last day to order
    All 9/16/2019 12/09/2019

  • Iris
    Zones First day to ship Last day to order
    1A-7A 8/12/2019 10/28/2019
    7B-10B 8/19/2019 11/11/2019

  • Amaryllis and Paperwhites
    Zones First day to ship Last day to order
    All Zones 10/07/2019 12/23/2019


In all cases, we choose the fastest, most efficient way to send your orders via USPS or FedEx.

Shipping Note:

Orders for gift certificates will be shipped immediately.

Due to hot weather conditions, we are unable to ship any plant items from late June through August. General merchandise will be shipped with your plant order.

The type of product you order or the weather in our area or yours may affect the anticipated shipping schedule.

Large orders may be shipped in more than one package.

Your order confirmation will have an estimated shipping time.

When your order is actually shipped you will be sent an updated shipping estimate.

You may check your order status at any time on this website using your email or account number provided on your order confirmation.

Please note that we cannot ship outside of the 48 contiguous states.


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