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Ilex crenata convexa

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!

Ilex Dark green


Discover all the characteristics of Ilex crenata convexa


How do I best plant my Ilex crenata convexa?


How do I take care of my Ilex crenata convexa?

Questions - tips

Answers to frequently asked questions


Ilex crenata ' convexa ' is a particularly decorative and spiky holly, this medium sized shrub or small tree is evergreen and naturally has a narrow, compact upwinding form. Around May, June he blooms unobtrusively with ivory cowl flowers which are attractive scents and in the autumn followed by black stone fruits. Ilex crenata as a species is dioecious, i.e. there are male and female plants, Ilex crenata ' convexa ' is a female plant. This dark green Japanese holly lures bees, butterflies and numerous birds, is very flexible as far as the pitch is concerned, does not like lime-rich soil, can well against air pollution and tolerates sea breeze. This species is especially suitable for low 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


Ilex crenata convexa planting 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 convexa 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 convexa 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 crenata convexa 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 from the Nursery!

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


Frequent questions

Veelgestelde vragen
  • Hoe snel groeit Ilex Dark green®?
    Ilex Dark green groeit relatief snel. Vanaf het 2e jaar na aanplanting groeit het ongeveer 10 - 15 cm per jaar. Dit zorgt ervoor dat 1 snoeibeurt per jaar voldoende is.
  • Waarom zorgt Ilex Dark green® voor biodiversiteit?
    Ilex Dark green® heeft een enorme troef als het gaat om biodiversiteit. Het is een compleet andere plant in tegenstelling tot Buxus. In mei - juni komen er aan Ilex Dark green® mooie witte bloempjes en in de maanden oktober - november komen er zwarte steenvruchtjes aan de plant. Hierdoor krijgt deze Ilex soort veel aantrek van vogels, bijen en insecten.
  • Kan Ilex Dark green® ook aan zee geplant worden?
    Jazeker, geen probleem. Ilex Dark green® kan zoute zeewind zeer goed verdragen.
  • Kan ik zelf Ilex Dark green® verder vermeerderen?
    Nee, dit is niet toegestaan. Aangezien deze Ilex soort onder kwekersrecht valt. Ilex Crenata "Dark Green" ® "Dit ras is beschermd door Europees kwekersrecht onder nummer EU20072678. Elke vermeerdering en doorkweek is enkel toegelaten nà schriftelijke goedkeuring van de licentiegever."

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