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Hear what other happy gardeners had to say about this product and see customer-added photos and videos before you buy.
Hear what other happy gardeners had to say about this product and see customer-added photos and videos before you buy.
PREMIUM
| Size/Grade | What It Is | Who It’s For |
|---|---|---|
| Own Root & Jumbo Own Root | Roses grown on their own roots, valued for cold hardiness, strong rebound, and long lifespan. | Gardeners in colder climates or anyone looking for a durable, long-living rose that stays true to its natural growth habit. |
| Premium WOW!® Roots | Grafted roses designed for improved vigor, larger blooms, and better adaptability across different soil and growing conditions. | Gardeners who want stronger performance, bigger blooms, and reliable growth across a wide range of environments. |
| Fortuniana Rootstock | A specialized grafted rootstock known for increased bloom production, vigorous growth, and strong resistance to soil-borne issues. | Ideal for warm climates (especially the South) or challenging soils like sandy conditions where extra vigor and resilience matter. |
| Jumbo WOW!® Roots | An upgraded WOW!® root system grown larger in the field, delivering a more established bareroot with faster early performance. Arrives bareroot or potted depending on time of year. | Gardeners who want a larger starting plant with more immediate impact and quicker establishment in the garden. |
High Octane German Iris is built for gardeners who want bold color, height and season-stretching bloom from a sunny border. Introduced by Keith Keppel in 2008 and awarded the American Iris Society Award of Merit in 2012, this tall bearded iris brings proven garden value with a strong red-brown plicata pattern and an intense golden-lemon fall patch.
Make a bigger impact with height
At 42" tall, High Octane rises above many surrounding perennials, giving your planting a strong vertical focal point. That extra height helps the flowers show from a distance, whether you place it toward the back of a mixed border, in a dedicated iris bed or where it can be seen from a window or walkway. It is a strong choice when you want one plant to carry real visual weight in late spring.
Extend the iris season
High Octane blooms midseason to late, which helps keep the iris display going after earlier varieties have finished. For gardeners who plan beds by bloom sequence, that timing is especially useful. Pair it with early and midseason bearded irises to build a longer run of color instead of having the whole show peak at once.
Add bold color without extra fuss
The red-brown plicata markings and intense golden-lemon fall patch give High Octane a warm, high-contrast look that stands out in sunny plantings. Once established, bearded irises are drought tolerant and need little watering in the right site. Full sun and well-drained soil are key, and the rhizome should sit at or just above the soil surface for best flowering.
Plant where browsing is a concern
Deer and rabbits tend to avoid bearded irises, making High Octane a practical pick for gardens where browsing can be frustrating. It also prefers neutral to slightly alkaline soil and does not need rich, high-nitrogen feeding to perform well.
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:
| Zones | Shipping Dates | Last Order Date |
|---|---|---|
| 3A - 6B | 8/31/26 - 10/23/26 | 10/19/26 |
| 7A - 10B | 9/21/26 - 11/6/26 | 11/2/26 |
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Hear what other happy gardeners had to say about this product and see customer-added photos and videos before you buy.
PREMIUM
We partner with expert horticulturalists who optimize our varieties for traits like uniqueness, fragrance, flavor and size.
From our 1,200-acre farm on the coast of Lake Michigan, our gardeners hand-prep and hand-package every plant to quick-ship right to your door.
At Spring Hill, we’re diligent about treating our plants with the utmost care--and have been for more than 175 years.
Each variety we offer is expertly cultivated to delight, inspire, and beautify your home. You'll find plants here you won't find anywhere else!
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