Ask a Question forum: Heat Tolerance Desert Lndscp Plants

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Carns
Feb 29, 2016 7:20 PM CST
I sell plants for a nursery in northern San Diego County, California specializing in drought tolerant plants. Much of my business comes from the Coachella Valley, California where temperatures get up to 125° and beyond, according to my customers. In order to vet the right plants for them, its difficult for me to find resources detailing the extreme high temperatures a given plant will I tolerate. As we know, minimum temperatures are noted in degrees but on the upper end instead of a temperature, it's phrases like "takes full sun", "hardy to 25°", etc. which seem to be the norm.

Would you have any suggestions regarding websources or books? Better yet, does your database do this already and the few cacti I looked up are anomalies, in this regard. I'm new to the site so it could be that it's on there but that I just couldn't locate.

Meanwhile I'll keep looking on your site for these and other wonders. First heard about about y'all from the good folks over at thehorticult.com, who recently visited our nursery. Became terminally hooked on ATP last night on the wayhome from Coachella, finding podcasts on Stitcher after an inspiring week of plants and hiking.

And thanks to all the administrators!!
Name: Hetty
Sunny Naples, Florida (Zone 10a)
Plumerias Photo Contest Winner: 2015 Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Plant Database Moderator
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Dutchlady1
Feb 29, 2016 7:24 PM CST
Welcome! Carns!
Name: Jean
Prairieville, LA (Zone 9a)
Charter ATP Member Plant Identifier The WITWIT Badge Garden Sages Celebrating Gardening: 2015
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Moonhowl
Feb 29, 2016 7:54 PM CST
@Carns Welcome! to ATP Perhaps these links will be of use to you.

http://www.ahs.org/gardening-resources/gardening-maps/heat-z...

http://www.johnnyseeds.com/t-growing-center.aspx?source=W_Na...

These sites list the most heat/drought tolerant flowers

http://www.perennialresource.com/articles/518_Drought-Tolera...

http://www.weekendgardener.net/garden-plants/high-heat-flowe...

http://www.rodalesorganiclife.com/garden/18-flowers-take-hea...

Vegetables

http://www.johnnyseeds.com/v-40-heat-tolerant.aspx

Name: Rick Corey
Everett WA 98204 (Zone 8a)
Sunset Zone 5. Koppen Csb. Eco 2f
I helped beta test the first seed swap Plant and/or Seed Trader Seed Starter Region: Pacific Northwest Photo Contest Winner: 2014 Vegetable Grower
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RickCorey
Feb 29, 2016 7:59 PM CST
Welcome to ATP! Hope you like it here.

Living in the coastal PNW, I have no idea about heat tolerance. All I know is that when it (rarely) goes over 90 F, people wander around moaning about "burning up" and "heat waves".

And if it doesn't go below 65-70 F EVERY night, we feel cheated.

Name: Jean
Prairieville, LA (Zone 9a)
Charter ATP Member Plant Identifier The WITWIT Badge Garden Sages Celebrating Gardening: 2015
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Moonhowl
Feb 29, 2016 8:52 PM CST
A little more info...

http://www.harlequinsgardens.com/mikls-articles/plants-in-hi...

http://www.gardensalive.com/product/some-like-it-hot-most-pl...

http://www.greenhousegrower.com/varieties/top-performing-ger...

http://www.southernexposure.com/blog/2012/02/what-to-grow-th...
Name: tarev
San Joaquin County, CA (Zone 9b)
Always count your blessings in life
Region: California Houseplants Plays in the sandbox Orchids Plant Lover: Loves 'em all! Composter
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tarev
Mar 4, 2016 1:34 PM CST
Hi Carns! Welcome!

I have a book entitled: Waterwise Plants for Sustainable Gardens. I love reading this book since I am into drought tolerant plants too with our ever dry environs here later on. Plus the colorful pictures help a lot. But it references tolerances as to the planting zones, but sometimes says which plants resents humid heat.

Pretty much, I take all suggestions at face value, since my location always misses the temperature limits on forecasts, either too hot or too cold. And have grown drought tolerant plants, observed them that at 100F dry furnace heat temps, plants go on survival mode, dropping leaves and flowers and will go somewhat dormant and wait patiently till the better 80F temps returns. Very, very few plants will stand being in 125F.
[Last edited by tarev - Mar 4, 2016 1:35 PM (+)]
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