Can palm trees grow and thrive in cold climates?

Answer 1

Cold Hardy Palm Trees


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Cold Hardy Palm Trees

Most cold hardy palms represent the tropics and it can be hard to believe that some cold hardy palm trees can withstand a deep winter freeze in subzero temperatures such as Needle Palms. The Needle Palm tree is cold hardy down to a temperature of -10's degrees F.

Hardy palms can be grown successfully in Texas (Dallas, Houston, Austin, San Antonio), California, Florida and much further north.
Hardy Palm Species Variety

There are many growers, wholesalers and retailers of landscape and landscaping palm trees but Sun Palm Trees specializes in the following cold hardy palms (in parenthesis is the estimated minimum temperature that the palms can withstand):

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True Date Palms (Phoenix dactylifera) (cold hardy to 18 degrees)
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Canary Island Date Palms (Phoenix canariensis) (cold hardy to 15 - 18 degrees)
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Texas Sabal Palms (Sabal mexicana) (cold hardy to 16 - 18 degrees)
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Mediterranean Fan Palms (Chamaerops humilis) (cold hardy to 5 - 15 degrees)
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California Fan Palms (Washingtonia filifera) (cold hardy to 15 degrees)
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Windmill Palms (Trachycarpus fortunei) (cold hardy to 5 degrees)
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Pindo Palms (Butia capitata) (cold hardy to 12 - 15 degrees)
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Sago Palms (Cycas revoluta) (cold hardy to 20 degrees)
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Mexican Fan Palms (Washingtonia robusta) (cold hardy to 18 degrees)
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Queen Palms (Syagrus romanzoffiana) (cold hardy to 20 degrees)



The cold weather temperatures listed above are estimates, and assume the winter resistant palm tree has some winter protection such as being covered during a deep freeze. Some palms become more cold tolerant as they grow.

To determine what different types of palm trees will survive in your environment go to Palm Trees Cold Hardy Zones Maps Descriptions and Cold Hardy Zones Maps.
Hardy Palms of the Same Species may have Different Reactions to Winter Weather

Not all cold weather palm trees are equal. Growers and nurseries occasionally have different experiences with the same species of palm after a cold winter spell. The reasons for the varying effects on the hardy palms involves the type of the cold spell and the environment the cold hardy palm tree is planted in. Hopefully the palm care includes planting the palm in a location with some degree of protection. Surprisingly a gradually cooling winter which would seem to give palms an opportunity to acclimate. But not so according to Goldstein (1989), who found that a sudden cold frost or freeze was far less devastating than an extended cold spell where temperatures never dropped to freezing. The length of time and depth of a hard freeze, wind speed, and ambient humidity can also influence how destructive a cold spell might be to a cold hardy Palm tree. That is why some cold hardy palms can sustain temperatures with little or no damage at one time, but die at the very same temperature at another (Smith 1958, 1964).
Cold Hardy Palm Tree Care

Microclimates and conditions affecting palm trees can determine if a garden or landscape hardy palm will survive. Palm trees sheltered by other trees and shrubs are more likely to fair better than Palms that are exposed to the full brunt of the winter cold. How successfully a hardy palm will handle cold is determined by the palm itself: its age, its height, its slight hereditary differences selected out over time by the conditions of its natural environment, and the overall health of the cold hardy palm trees at the time of the cold spell.

Refer to Palm Trees Frequently Asked Questions for more information on cold hardy palm trees.

Cold weather slows the growth of palms, reduces activity of the roots, and can weaken the plant to the point where a disease can become active and kill the palm. Sometimes, the only above-ground portion of a cold-damaged palm that is still alive is the protected bud. In most cases, the death of the bud soon after a freeze is due to bacteria that is present at low levels of a healthy palm, but becomes a problem only after the freeze damage.
Cold Hardy Palm Trees - Winter protection

Cold hardy palm trees can be assisted during very cold winter weather. First, plant your palms in a warm, sunny spot protected from winter winds, especially winds from the north and west. During cold snaps you can protect your palms through wrapping the trunk. A cardboard box or a blanket placed on top of a small palm, and weighted down with rocks, can provide adequate shelter for most cold hardy palm trees species. The protective cover should be removed after four or five days. Another method to protect your cold hardy palm tree is to temporarily bury it under a mound of mulch. Most of the mulch should be removed once the weather warms up.
Cold Hardy Palms - Resources for Growing Cold Tolerant Palm Trees in Colder Climates

Additional information on cold hardy palm trees:

The Hardiest Palms - excellent site from TJ Walters with information on planting, growing and caring for cold hardy palm trees.

Cool Tropics - Site is packed full of information on pre-planting preparations, planting, growing and protecting your hardy Palm Trees.

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Hardiness guides
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How to select a species
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Zone enhancer guide
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Cold Protection Designs
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Chemical Freeze Protection

The Palm Reader - About selecting and growing cold hardy palms outdoors in the southeastern United States. USDA Hardiness Zones 7-8.

Just remember, cold hardy palm trees will grow in the North if you take the right protective measures.

Answer 2

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Answer 3

Sago Palm Freeze

Answer 4

Some palm trees can tolerate living in zone 8. They really prefer the warmer weather and no freezes. You can however keep a palm tree "up north" if you choose a smaller one and keep it in a pot. You will have to bring it in during the late fall, winter and early spring.

Answer 5

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Answer 6

I stay in basic terms north of Houston and have a appealing Mexican Fan Palm in my front backyard that has grown very properly. while the ice hurricane hit our section at the instant i presumed I had lost it. The hands have been all drooping all the way down to the floor and that i became devastated. day after right now even nonetheless all the hands have been back in there customary place with the only seen harm to the information of the hands !

Answer 7

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Answer 8

No. Typically Zone 7a/7b is about the farthest north a palm can go. And even then it is a dicey situation. Any further and winter cold snaps and freezes will kill them.

Answer 9

I have never seen any growing in parts of the US where we reach temperatures of below freezing for sustained lengths of time during the cold months.

Answer 10

Some.