1. ENLGISH HOLLY
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The British Invasion

2. WHAT IS ENGLISH HOLLY?
 Scientific Name: Ilex
aquifolium
 It is an evergreen
 Has broad leaves with
sharp points on the
edges QuickTimeª and a
 It is both a tree and a
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shrub
 It can grow up to 18
meters high
 Produces berries and
flowers

3. What Makes It Invasive?
 It is what's called a water hog
 It takes so much of the water in the soil
that the other native plants can’t get
enough
 The only thing that eats it are birds and
they only eat the berries which don’t stop
them from reproducing

4. How Did It Get Here?
 It was brought over
by Europeans
 Brought over to be a
decorative plant
QuickTimeª and a

decompressor
Used as Christmas are needed to see this picture.
decorations

5. Place of Origin
The English Holly is
native to most
Southern European
countries
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It is an ancient species
and has been on
Earth for many years

6. Range
 The English Holly has since invaded all of
Europe
 As well as countries in Asia
 In North America English Holly can be
found on the Pacific Coast and parts of
Canada

7. QuickTimeª and a
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8. English
Chinese Holly
Holly QuickTimeª and a
decompressor
QuickTimeª and a
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are needed to see this picture.
Variegated
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English HollyQuickTimeª and a
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Meserve
Holly

9. Life Cycle
 They reproduce
through pollination
 A plant can live up to
150
QuickTimeª and a
 Has both male and decompressor
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female plants

10. Habitat
 It can survive in both
wet and dry climates
 This is why it’s so
invasive
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11. Nuisance Pt. 1
 It out competes other
native plants for
water so they can get
the resources for
food QuickTimeª and a
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 It then continues to
grow and populate

12. Nuisance Pt. 2
 It is ruins the diversity of the
environments it’s in
 The berries are poisonous
 Leaves hurt
 Hard to remove once it gets older

13. Control/Management Plan
 Eradication of the
Holly
 Stop people from
planting it
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 Make it illegal to sell decompressor
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14. LOOK A GAPH!
Population
of English
Holly
1800 2000
Time In Years

15. Connection Circle
Native Trees
People Water
English Holly

16. QuickTimeª and a
decompressor
are needed to see this picture.

17. Citations
 http://www.kingcounty.gov/environment/anim
 http://en.wikipedia.org/wiki/Ilex_aquifolium
 http://www.aspca.org/Pet-care/poison-contro
 http://www.ssisc.info/home/english_holly