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Palm Tree Care - The hardiest arborescent
(trunking) palm is the Windmill Palm -
Trachycarpus fortunei.
These are grown as far
north as parts of
British Columbia in
Canada. They have a
fuzzy trunk which can
grow twenty feet tall.
They do not need a hot
climate, and seem to
thrive in cool, moist
weather.
Sabal palmetto (Sabal palm, Cabbage
palm) is the state tree
of Florida and South
Carolina. It has been
known to survive between
zero and +5° F when well-established.
It cannot survive these
temperatures on a
regular basis, and is
probably best rated as
zone 8a. It is a large
Fan Palm which takes
many years to form a
trunk. It can be found
in the wild as far north
as Bald Head Island,
North Carolina, near
Wilmington.
Palm Tree Care - Chamaerops humilis (European fan
palm/Mediterranean fan
palm) is quite hardy in
areas which have a dry
climate. It is usually
rated as a "zone 8"
palm. In areas with wet
winter soil (like the
eastern U.S. and the
Pacific Northwest) it
seems to be less hardy.
Planting this Palm in a well-drained bed
(such as a bed prepared
for a cactus garden) may
help it survive in these
areas.
Washingtonia
robusta, Washingtonia filifera,
and Brahea armata are western desert Palms
which are fairly hardy
in their native
environment (zone 8,
zone 9a)
Phoenix
canariensis is a
large Date Palm which
can grow in zone 8b
areas.
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