Understanding the Plant Hardiness Zone Map Update | Ask This Old House
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- Опубликовано: 23 апр 2024
- In this video, things are changing in the USDA Plant Hardiness zones, including what you can plant and what you can’t.
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Landscape designer Jenn Nawada shares the recent updates to the USDA Plant Hardiness Zone map, what the changes mean, how to read the map, and how to use the information to select the best plants for a landscape.
Where to find it?
The 2023 USDA Hardiness Zone Map [planthardiness.ars.usda.gov/]
Expert assistance with this project was provided by United States Department of Agriculture [www.usda.gov/].
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Understanding the Plant Hardiness Zone Map Update | Ask This Old House
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Excellent information
And in Florida we have to keep this in mind, but also the heat and the sheer sun UV ray.
Great video! Thank You So Very Much for the information in this video. my planting zone did change. i Love watching your videos! :)
This was really helpful! I didn't realize the map was for survivability in the winter.
Note that there are factors other than cold to consider. Peonies, for example, actually need freezing winters. Even though they will survive warmer zones, they won’t bloom well (if at all) in a mild climate.
Yeah my zone is wrong. They say -15 to -20, but 3 of the 4 winters I've been in this house has had -30 for lows.
I made sure and stuck with plants for those temps just to be sure
The reason that happened is that they did not account for urban sprawl that developed around weather stations.
If a whether station was built in a rural environment, and urban sprawl encroached on that environment; the concrete buildings and roadway around the weather station will cause the weather station to register higher lows due to heat retention from the concrete buildings and roadway.
If the government does not account for that change in environment, and move their temperature recording equipment back into a rural setting outside what is now a city, the station will have false readings and will make it appear that there is global warming.
Most of the measurements that account for global warming, come from weather stations that were originally in rural settings and are now in urban and city settings.
@@scotttovey soooo.... it's warmer. You're saying that humans are making the environment warmer. You want the government to move weather stations away from humans so that the human impact doesn't register. What good is a weather station in timbuktu when I'm trying to grow plants in my urban or suburban yard? We want our weather stations as close to us as possible so that they give us accurate data for where we live, not data recorded 200 miles away in the forest.
@@scotttovey No, Scott. High-altitude and oceanic temperature differences aren't due to urban sprawl. I know it's convenient to imagine that scientists are dumb and yer real smert, but they aren't quite as dim as you fantasize.
I swear, you conservative chuckleheads just accept whatever nonsense fits with what you wish were true so that you can blame da gubmint, believe in conspiracies, and feel self-righteous for continuing to do what you wanted to do anyway.
Thank goodness this affliction seems generational... though still far too common.
@@wainivanua
"soooo.... it's warmer."
No it's not warmer.
It is only warmer in that location because of the concrete artificially holding heat, but it only affects that local area, not the globe.
"You're saying that humans are making the environment warmer. You want the government to move weather stations away from humans so that the human impact doesn't register."
A weather station in an urban environment is not registering the real temperature. It's registering an artificially high temperature.
"What good is a weather station in timbuktu when I'm trying to grow plants in my urban or suburban yard?"
You don't want temperature readings in timbuktu.
You want temperature readings in your local rural environment.
The temperatures zones are based on the lowest temperature so that you can plant plants that will survive those temperatures.
If your real coldest low is -30 degrees, and you plant plants that can only survive -15 degrees, the day will come when those -15 degree plants will experience a -30 degree day and they will not survive.
You don't need to know what the lowest low is in your local urban environment. You need to know what the lowest low is, in your local rural environment. Otherwise, you are spending money on plants that will have a shorter life expectancy, that you expect them to have.
"We want our weather stations as close to us as possible so that they give us accurate data for where we live, not data recorded 200 miles away in the forest."
30 miles distant from your local city is where you want the temperatures to be taken. There can be upwards to a 15 degree difference in city temperatures and rural suburban temperatures, depending on clouds, sun and rain.
That concrete is a mass of deception.
If you believe it's lies, your plants will die.
This also means that you may have to provide more water for your plants in a hot city, than in a suburban, or rural area.
More heat equates to more evaporation.
As a homeowner I've found information severely lacking for selecting trees. I'm looking for shade trees of different heights I can walk under without hitting branches.
I have yet to find charts which show silhouettes of different trees and their size compared to people. I've had to manually look up different trees to see which look nice, then look up their heights and spread, and only THEN do I check their growing zone and care needs. This seems like something basic but I havent had any luck finding it.
I live in the White Mountains, I think we are in zone5,can we grow roses?
I took my pond out of my backyard. I have a Hole . So I would like to fill the hole with toilet paper rollers. I have lannen stone around the Hole. Now I'm not sure what to put into the hole ?? Sawdust? I'm a widow , don't. Move to well . I have a Till so I can get dirt out . Transfer to Hole . Can you please give me some ideas ? My. Motive is to make it a Garden . With the Seeds my grandchildren sent me . From all over . Thank you .
Since you don't move too well, it may be better for you to grow your plants inside of a raised garden bed or containers so you don't have to bend over so much.
You can use any plastic container that is food safe like used 5 gallon pickle buckets from a restaurant.
There are plenty of videos on RUclips about container gardening.
The problem with this map is that it doesn't consider the heat. Yes, boxwood survive the Arizona desert 🏜️ winter, but they fry in the 110-115s that we get every year. So for us, the map is useless. 💖🌞🌵😷
*The problem with this map is the inaccuracy about cold. Shows my area as zone 8, we just had a hard freeze of 8°F.
That makes this map a liar. This is just to promote climate change narrative and have people with zero awareness blame the wrong thing.*
And it's not the first time in in the last 30 years its the fifth time. The USDA is gaslighting people.
Jenn the Hottie 🥰♥️❣️💌😍💖💝😘🌹🤗🔥
Why so many downvotes? Deniers upset that climate change was sortof blamed for the map changing?
@@Navy1977 Right, sorry - you have to install the "Return RUclips Dislike" browser extension to get back the downvotes that Google took away a while back (to prevent MSM & advertisers from getting embarrassingly ratio'd)
First!
@jonathansmith8591 How does it feel to be a moron? No one cares!!
Loser 🤦♂️
haha you're such a dork...
@0:08: "You're such a dork."
This is childish. When will TOH stop condescending to its viewers as if any interest in science or technical information has to be excused for its unmanliness?
Grow up, TOH.
Dork
@@peternau96 Touché. :)