The emerald colonnade® holly full care guide

The Emerald Colonnade® Holly, otherwise known as the Ilex X ‘Ruthol1’ Plant Patent #23,905 or Florida Anise ‘Pink Frost’, Purple Anise ‘Pink Frost’, Florida Aniseed Tree ‘Pink Frost’, First Editions® Pink Frost Florida Anise Tree, is a rather well-known shrub plant by gardening enthusiasts around the world.

Best known for its low maintenance and moderate growth, this shrub will likely liven up your house (or garden) with its green-colored leaves. But, only if you learn how to take proper care of it for it to thrive.

Fortunately, this is exactly what we’ll cover in this Emerald Colonnade® Holly Care Guide. So let’s dive in.

The basic care guidelines you need to remember for your Emerald Colonnade® Holly are the following:

  • Water: The Emerald Colonnade® Holly prefers constant watering each week and more during the hot season.
  • Light: Keep your Ilex X ‘Ruthol1’ Plant Patent #23,905 in an environment where it can receive full sun on a daily basis. 
  • Soil: Make sure to keep the Emerald Colonnade® Holly in soil with moisture retentive to moist but well-draining properties, so ideally, one that is made of sand, loam, and clay.

That’s it – sunlight, water and soil! The basic 3 fundamentals for all plant care, and with the Emerald Colonnade® Holly this is no exception. With these three elements, your leafy friend will live healthy and happy.

Emerald Colonnade® Holly garden

Description and Botanical Aspects

In botanical terms, the Emerald Colonnade® Holly belongs to the Schisandraceae family, the genus Illicium and the species Floridanum, hence its scientific (or botanical) name Ilex X ‘Ruthol1’ Plant Patent #23,905 (I-leks).

As with other Illicium’s, the Emerald Colonnade® Holly is an evergreen plant, which means it will be present year round in your garden.

NameEmerald Colonnade®
WateringWeekly or more often in high temperatures
LightFull sun
Temperature rangeAs low as -30°F (-34.4°C)
SoilGood drainage

Growing Region

The Emerald Colonnade® Holly is a plant native to the South East U.S.A. and Mexico.

You might be wondering why your Emerald Colonnade® Holly’s native region is important. Well, if you know where your plant originally came from, you’ll know which environment conditions it prefers, and with it, knowledge on how to replicate it at home.

With this in mind, the Ilex X ‘Ruthol1’ Plant Patent #23,905 will be most used to the heat zones in the 4 – 9 region, as the plant hardiness level falls between 7b, 7a, 8b, 8a, 9b, 9a, 10b, 10a.

Growth and Size

In terms of size and growth, the Emerald Colonnade® Holly is a relatively moderate grower, which makes things somewhat easy for any plant enthusiast.

But, how big does the Emerald Colonnade® Holly actually get? What should you expect in terms of size? Let’s dive right in…

How big does an Emerald Colonnade® Holly get?

The Emerald Colonnade® Holly can grow up to 6′ – 10′ (180cm – 3m) tall and 6′ – 10′ (180cm – 3m) wide. 

These dimensions make the Emerald Colonnade® Holly a relatively large shrub compared to others, so it’s best to keep this fact in mind since it will affect where you want to keep yours at home.

Also, expect it to grow in a wonderful columnar, and pyramidal shape, which is something worthwhile to remember when making your garden landscape plans.

This is why experts recommend keeping an area of approximately 96″ – 120″ (240cm – 300cm) free so the Emerald Colonnade® Holly can spread to its best extent.


In terms of watering, the Emerald Colonnade® Holly is a fairly simple plant to take care of. This is mostly because it has a straightforward watering schedule and somewhat regular watering needs. Specifically, most experts agree that the Ilex X ‘Ruthol1’ Plant Patent #23,905 prefers constant watering each week and more during the hot season. Which is why it is considered a plant with relatively average needs in terms of water. 

Emerald Colonnade® Holly care


As a rule of thumb, you should remember to keep your Emerald Colonnade® Holly in soil with moisture retentive to moist but well-draining characteristics, as these will guarantee the right conditions for your plant to grow and thrive. 

When you consider this, this is why you should aim to choose soil that has good drainage, and moist properties to keep the right moisture levels at all times. 

However, in our experience, the best solution to knowing the right amount of water for your Emerald Colonnade® Holly is with the ‘thumb’ technique. Basically, you insert your finger into the soil, and based if you feel the soil moist or dry, you determine if it needs any water, which is the most appropriate way to go about watering your leafy friend.

Soil Mix

As mentioned earlier, the Emerald Colonnade® Holly prefers to have soil with good drainage, and moist properties at all times, reason why you need to make the soil mix out of sand, loam, and clay.

This is why most experts agree that the Emerald Colonnade® Holly requires soil with high organic matter, and loam (silt), which will give you the right conditions it needs.

In addition to this, expert gardeners recommend having preferably neutral to acid soil.

Light and Exposure

In terms of light & exposure, the Emerald Colonnade® Holly requires full sun in order for it to thrive under the right conditions. 

Most experts agree that this shrub will do well as long as you keep it in partial sun to shade, and it will be able to grow properly.

Specifically, we recommend that you place your Ilex X ‘Ruthol1’ Plant Patent #23,905 in from full or deep shade (no direct sunlight or at most 2 hours per day), to little to partial shade (only 2-6 hours of direct sunlight a day).


You should prune your Emerald Colonnade® Holly in late winter or early spring as the plant breaks dormancy. This will avoid stressing the plant and will allow for a more attractive appearance for several months. You should never remove more than one third of the shrub, however.


Being an evergreen plant, the Emerald Colonnade® Holly will be present year round in your garden.

But, you can expect it to have its ‘prime-time’ during the spring (early, mid, late), the summer (early, mid, late), the fall, and during the winter.


You can expect your Emerald Colonnade® Holly to flower around the spring months from April to June (spring).

The Emerald Colonnade® Holly produces some beautiful yellow, or red/burgundy flowers around this time of year.


The leaves from the Emerald Colonnade® Holly have a beautiful green color during most of the year.

In particular, they have a simple arrangement with an alternate and whorled organization in its leaves.

You can expect the leaves from your Ilex X ‘Ruthol1’ Plant Patent #23,905 to be around (3-6 inches) in size.

Emerald Colonnade® Holly leaves

Attracts, Tolerance and Resistance

The Emerald Colonnade® Holly is well known for its tolerance to wet soil and animals like deer, so don’t worry if any of these come along, your Ilex X ‘Ruthol1’ Plant Patent #23,905 will be fine.


Now, let’s talk garden and how your Emerald Colonnade® Holly will look best in it.

Most Ilex X ‘Ruthol1’ Plant Patent #23,905 owners agree that this shrub will look great in most asian/zen and contemporary gardens of all types. 

Other owners consider that they complement well most gardens of informal and cottage, city and courtyard, and in mediterranean garden styles. 

In particular, the Emerald Colonnade® Holly’s best use for landscaping within your garden is as mass planting, container, specimen, hedge, privacy screen, or a topiary.

Companion Plants

Emerald Colonnade® Holly’s do well with some other plants beside it. One good companion plant is the Rhododendron, which will pair up nicely with your leafy friend.

Others consider that a nice Astilbe will work well too, so choose whichever you find works best for you!


Even though we covered a lot of care information for your Emerald Colonnade® Holly, remember the basics: sunlight, soil and water, as these should be enough to grow a healthy plant at home.

Related Questions

How fast does Emerald Colonnade Holly grow?

The Emerald Colonnade Holly is a plant that shows moderate growth. Yearly, you should expect this holly to grow around 2 feet.

Are Holly Shrubs deer resistant?

Yes, Holly Shrubs are generally deer resistant. This is because the leaves of holly bushes are sharp and prickly, which deer tend to avoid. Additionally, holly bushes are relatively tough and can tolerate animals like deer rubbing up against them without being damaged.

Sebastian Moncada

I’m also a plant enthusiast and researcher. I’ve been privileged to have lived my whole life around the wilderness of Colombia and I’m happy to share everything I learn along the way. “Adopt the pace of nature. Her secret is patience” – Emerson.

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