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Look at my post, i believe dallas is more 8b. Yes , map says 8a because it factors in some of our coldest decades.. decades unmatched in all the record.
Location: Live:Downtown Phoenix, AZ/Work:Greater Los Angeles, CA
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Quote:
Originally Posted by muslim12
Look at my post, i believe dallas is more 8b. Yes , map says 8a because it factors in some of our coldest decades.. decades unmatched in all the record.
They got down to 14°F on Jan 7th this year, and I have seen them drop to the single digits more than once in the last 20-30 years, 8B is 15° to 19°
They got down to 14°F on Jan 7th this year, and I have seen them drop to the single digits more than once in the last 20-30 years, 8B is 15° to 19°
I may be wrong then, after all Dallas is more unstable than here. I think the hardiness zone maps need to account more for range of lows not just average. Raleigh has ranged from a bit below 9b to damn 6a(1985). What do you think FC?
Location: Live:Downtown Phoenix, AZ/Work:Greater Los Angeles, CA
27,606 posts, read 14,604,784 times
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Quote:
Originally Posted by muslim12
I may be wrong then, after all Dallas is more unstable than here. I think the hardiness zone maps need to account more for range of lows not just average. Raleigh has ranged from a bit below 9b to damn 6a(1985). What do you think FC?
Since Hardiness Zone can be crucial for certain plants, I err on going the average minus 2°F, which may or may not knock a place down a half Zone (say 8B to 8A)
Since Hardiness Zone can be crucial for certain plants, I err on going the average minus 2°F, which may or may not knock a place down a half Zone (say 8B to 8A)
Here is Raleighs breakdown since start of records
1887-1916:12
1917-1946:12
1947-1970:10 ( this is after a whole decade of single digits (60s)).
1977-2006: 9
2007-2017: 13
1887-2017: 11
Raleigh if we knock 2 degrees off is 7b/8a.
1991-2017 12, if this year had not dropped so low the average would have risen to 13.
I agree with knocking a few degrees off to account for more range. A place may be 8a but still see lows down to the single digits would harm some of the more tender 8a plants.
Vancouver has the same hardiness zone (8A/B) as Dallas but I think Dallas can grow more species of palms than we can because of more sunshine and very hot summers. What do you guys think?
Vancouver has the same hardiness zone (8A/B) as Dallas but I think Dallas can grow more species of palms than we can because of more sunshine and very hot summers. What do you guys think?
For sure, people in Dallas have no problem growing various Sabal and Brahea spp., Washingtonia filifera, Butia, Chamaerops humilis...all palms that love heat and need a long warm season. Surprisingly, there is also a large Jubaea chilensis doing well at the aquarium in Dallas.
Location: Live:Downtown Phoenix, AZ/Work:Greater Los Angeles, CA
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Quote:
Originally Posted by Asagi
For sure, people in Dallas have no problem growing various Sabal and Brahea spp., Washingtonia filifera, Butia, Chamaerops humilis...all palms that love heat and need a long warm season. Surprisingly, there is also a large Jubaea chilensis doing well at the aquarium in Dallas.
Washingtonias aren't long term without protection in Dallas, they are hardy to Zone 8B in dry climates, and 9A in humid climates
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