Ilex crenata caroline upright

Ilex crenata ' Dark Green ' ® * is ideal as a replacement for Boxwood. She has a beautiful dark green color and can be made perfectly with all kinds of shapes!



Discover all the characteristics of Ilex crenata caroline upright


How do I best plant my Ilex crenata caroline upright?


How do I take care of my Ilex crenata caroline upright?

Questions - tips

Answers to frequently asked questions


Ilex crenata ' Caroline Upright ' is a particularly decorative and spiky holly, this medium sized shrub or small tree is evergreen and naturally has a narrow, compact upright shape. Around May, June he flourishes unobtrusively with ivory cowl flowers. Ilex crenata as a species is dioecious, i.e. there exist male and female plants, Ilex crenata Caroline Upright is a male plant and does not get berries. This hive-like Japanese holly lures bees, butterflies and is very flexible as far as the pitch is concerned, it does not like lime-rich soil, tolerates sea breeze. This species is especially suitable for full length winter green hedges and topiary

Winter Green

Ilex under scrutiny

Soil type
Not too humid, low ph
2,5 m - 3,5 m

Ilex under scrutiny

Leaf color
Dark green
Flower Color
Flowering months
May - June
Pruning period
Partial shade-Sun-flexible


Planting Ilex crenata caroline upright does not require much effort, but there are some points that should be taken into consideration before and during the planting of this Ilex species;


  1. Mix the soil with sufficient peat nutrient mixture. This ensures a well permeable soil and strongly promotes the root formation of the plant. Moreover, it lowers the ph, ideal for Ilex!

  2. In order to get a drained soil you can also dig some and change everything well.

  3. When the weather is warm and you plant Ilex in your garden, it is very important to give it enough water. This is also appropriate for planting in flower boxes or flower pots.

  4. Do not use calcium at Ilex

Please note!

After planting it is normal for a lot of leaves to lose weight.

This is a normal process. In this way Ilex crenata caroline upright adapts to your garden, soil and new environment.

With this info you can get to work and then enjoy sure and fix your beautiful garden and your new green!



Ilex crenata caroline upright is a very simple plant in terms of care. Treating against diseases is not necessary, because they are not there. However, there are some things that need to be watched so that your Ilex caroline upright would feel good;


  1. Always fertilize with organic fertilizer, never chemically

  2. Pruning is best done in the months of April-October

  3. When Ilex was planted next to a terrace or large piece of hardening, try to avoid excess water. This can be solved among other things by making a small trench or gutter that leads to the vast majority of water.

Tip of the Nursery!

In the webshop the organic fertilizer is available which we use on the tree nursery.


Frequent questions


Do I have to chalk up Ilex crenata caroline upright (or Ilex in general)?

No, certainly not! Ilex should not need to be chalked.

Why is Ilex the ideal replacer for Boxwood?

First and foremost, it is important to make sure that Ilex is a completely different plant species than Boxwood. This has some important advantages:

-Not susceptible to diseases

-No charge of the (already known) cydalima perspectalis

Ilex seems physically like two drops of water on Boxwood, this plant is also hardy and winter green!

Which plant distance do I best keep with Ilex crenata Caroline Upright?

At Ilex crenata Caroline Upright and actually with every Ilex type we always give the following advice in terms of plant distance:

-6-7 Ilex plants per running meter (by bare root, depending on size)

-7 Ilex plants per running meter (in pot)

-in other words approximately every 14 cm

This creates a beautiful filled hedge. Our advice is purely informative, it can always be deviated from this.

Is Ilex crenata caroline upright sea breeze tolerate?

Yes! All Ilex species are resistant to the salty sea breeze. You can also enjoy a beautiful garden or balcony with Ilex crenata caroline upright or other ilex species by the sea.

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