Palm Tree Cold Hardiness Zone Map

USDA Hardiness Map

The USDA Hardiness Zone Map is a map with regions defined by a 10 degree Fahrenheit difference in the average annual minimum temperature. This map divides North America into 11 separate zones. The higher the zone number, the warmer the area.

Information from the zone map helps gardeners to compare their garden climates and determine what plants will grow in their area. Keep in mind, this map only shows average annual minimum temperatures and doesn’t take into consideration important factors like soil types, rainfall, daytime temperatures, day length, wind, humidity and heat.

Those factors are very important and play a key role in healthy palm growth and development. Knowing your hardiness zone is just not enough. A good example would be Portland, OR and Austin, TX. Even though they are both located in the Zone 8, their climates are dramatically different.

This map was created by Arbor Day Foundation who has recently completed an extensive updating of U.S. Hardiness Zones based upon data from 5,000 National Climatic Data Center cooperative stations across the continental United States.

Palm Trees by State

Find out what palm trees can grow in your state:

StateZonesStateZones
Alabama Palm Trees 7a – 9a
Montana Palm Trees 3a – 6a
Alaska Palm Trees1a – 8bNebraska Palm Trees4a – 5b
Arizona Palm Trees4b – 10bNevada Palm Trees4a – 10a
Arkansas Palm Trees6b – 8aNew Hampshire Palm Trees3b – 6a
 California Palm Trees5a – 11aNew Jersey Palm Trees6a – 7b
Colorado Palm Trees3a – 7aNew Mexico Palm Trees4b – 9a
Connecticut Palm Trees5b – 7aNew York Palm Trees3b – 7b
Delaware Palm Trees 7a – 7bNorth Carolina Palm Trees5b – 8b
Washington DC Palm Trees5b – 8aNorth Dakota Palm Trees3a – 4b
Florida Palm Trees8a – 11aOhio Palm Trees5b – 6b
Georgia Palm Trees 6a – 9aOklahoma Palm Trees6a – 8a
Hawaii Palm Trees9a – 13aOregon Palm Trees4b – 9b
Idaho Palm Trees3b – 7bPennsylvania Palm Trees5a – 7b
Illinois Palm Trees 5a – 7aPuerto Rico Palm Trees11b – 13b
Indiana Palm Trees5b – 6bRhode Island Palm Trees5b – 7a
Iowa Palm Trees4b – 6aSouth Carolina Palm Trees7a – 9a
Kansas Palm Trees 5b – 7aSouth Dakota Palm Trees3b – 5b
Kentucky Palm Trees6a – 7aTennessee Palm Trees5b – 8a
Louisiana Palm Trees8a – 10aTexas Palm Trees6b – 10a
Maine Palm Trees 3b – 6aUtah Palm Trees4a – 9a
Maryland Palm Trees5b – 8aVermont Palm Trees3b – 5b
MA Palm Trees5a – 7bVirginia Palm Trees5a – 8a
Michigan Palm Trees4a – 6bWashington Palm Trees4a – 9a
Minnesota Palm Trees3a – 5aWest Virginia Palm Trees5a – 7a
Mississippi Palm Trees7b – 9aWisconsin Palm Trees3b – 5b
Missouri Palm Trees5b – 7bWyoming Palm Trees3a – 6a

Applying zone references

In the palm profile you might have seen reference to zone or range of zones. If a palm is hardy to zone 7, that means it can withstand lowest temperatures of that zone. If there is a range of zones like 7-10, that means it can grow only in those zones and will not tolerate colder or warmer temperatures.

Microclimate

If you live in a microclimate, that is an area with slightly different climate from a general climate of a region, then you might be able to grow more/less palms in your garden. Even within a city, a street, or a spot protected by a warm wall in your own garden, there may be microclimates that affect how plants grow.

USDA Zones

Here is a list of zones with avg. annual low temperatures:

  • Zone 1: below -50 F (below -46 C)
  • Zone 2: -50 to -40 F (-46 to -40 C)
  • Zone 3: -40 to -30 F (-40 to -34 C)
  • Zone 4: -30 to -20 F (-34 to -29 C)
  • Zone 5: -20 to -10 F (-29 to -23 C)
  • Zone 6: -10 to 0 F (-23 to -18 C)
  • Zone 7: 0 to 10 F (-18 to -12 C)
  • Zone 8: 10 to 20 F (-12 to -7 C)
  • Zone 9: 20 to 30 F (-7 to -1 C)
  • Zone 10: 30 to 40 F (-1 to 4 C)
  • Zone 11: above 40 F (above 4 C)

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6 thoughts on “Palm Tree Cold Hardiness Zone Map”

  1. Thank you for this great information. We moved from central Florida to north central Florida. Our cardboard palm has gotten way to big to leave on the patio near the pool. We have had this plant for over 15 years. It’s time to put it in the dirt. I was concerned about the colder winters here 7 miles south of the Georgia border. Now we know how to take care of the “not palm” during cold snaps he is going outside, in the ground, in a wind protected area. And I’ll be using Christmas lights to keep him nice and toasty warm. Thank you Susan.
    Karen Stone

  2. I live in joplin since1994 I have grown needle palms 9′ x 6′
    Saban minor 7′
    Tracy nana 2′
    All 3 in the open , to grace driveways and on the east and south side.
    I call the sabals on the west side with no protection the “ice palms”

  3. Hi Susan, my name is Gary. My question is what type of grow light to use for a Queen Palm that I had to bring indoors from the cold unpredictable winter weather here in the northeast? I like your informative site. I’m not a Twitter guy, l work 6pm-4:30am.

  4. where can we find the list and photo’s of palm trees that fit in our space and grow a bit slow (so that they will continue to fit?
    We are wanting to fit palm trees between a 4 wide and 5 ft wide (between a screened room and fence.

  5. I have tested many cold hardy palms at my moms house for 5 years and I came into a conclusion. I noticed. Needles palms and windmills and most sabal palms do great in Indiana zone 6a. Everything else needs heavy protection. Since I have my own house am going to start working on the landscaping as well. I love Arizona Fan palm. I know they need heavy protection and I have seeds for it so am sure I could get them to work here as well. It’s all about trial and error.

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