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Ilex crenata 'Convexa' (Japanese holly 'Convexa')

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Skill rating Beginner
skill rating
Ultimate spread 1.5m
max. spread
Ultimate height 2.5m
max. height
Time to maturity 20-50 years
to maturity
Maintenance level 1 hour care
per year
Toxic - Berries may cause discomfort if ingested. This plant
is toxic!

Botanical name: Ilex crenata 'Convexa'

Other names: Japanese holly 'Convexa'


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Genus: Ilex

Variety or cultivar: 'Convexa' _ 'Convexa' is a small, bushy evergreen shrub with small, glossy, mid-green, convex leaves. In spring and summer it bears small, dull white flowers, followed, in autumn, by black berries.

Ilex crenata 'Convexa' is: Evergreen

Flower: White in Spring; White in Summer

Foliage: Mid-green in All seasons

Stem: Purple in All seasons

Fruit: Black in Autumn

Habit: Bushy, Small

Toxicity: Berries may cause discomfort if ingested.

Awards: RHS AGM (Award of Garden Merit)

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Watch out for

Specific pests: Aphids , Leaf-mining sawflies , Scale insects

Diseases: Generally disease-free.

General care

Propagation methods: Seed, Semi-hardwood cuttings. REGISTER to read more...


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Ilex crenata 'Convexa' (Japanese holly 'Convexa') will reach a height of 2.5m and a spread of 1.5m after 20-50 years.


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Suggested uses: Architectural, Cottage/Informal, Hedging/Screens, Low Maintenance, Resistant to pollution

Cultivation: Grow in free-draining, humus-rich soil in full sun.

Suitable for your garden?
In progress indicator
This plant likes... Garden match
Soil types: Chalky, Clay, Loamy, Sandy (will tolerate most soil types) Match unknown
Soil drainage: Moist but well-drained, Well-drained Match unknown
Soil pH: Acid, Alkaline, Neutral Match unknown
Light: Full Sun Match unknown
Aspect: North, South, East, West Match unknown
Exposure: Exposed, Sheltered Match unknown
Hardiness: Hardy (H4) Match unknown

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Ilex Crenata Kinme Cloud Tree Problem

Question from Gilbert Wright

Hi,
I have a Japanese Cloud Tree. It is about 4 years old, and planted in the ground. Until this year, I had no problems but now, several of the 'clouds' seem to be dying off. Do you have any idea what the problem can be, and can you suggest a solution?
Regards,
Gilbert Wright

  • Views: 123
  • Replies: 2
  • Posted: Sat. 8th October 2011 11:56
  • Last reply: Thu. 13th October 2011 08:32

We list 3 suppliers who tell us they sell Ilex crenata 'Convexa' (Japanese holly 'Convexa'). In order to see the list you'll need to either register or log in as a full member.


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Gardens with this plant

My garden
My garden
Palustris Catz

My garden
My garden
Gilbert Wright

Cancer Research UK - Chelsea Flower Show 2009

 

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