Perennials forum: What has been your most heat and drought tolerant plant?

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Name: Karen
Cincinnati, Oh (Zone 6a)
Forum moderator I was one of the first 300 contributors to the plant database! Cut Flowers Winter Sowing Charter ATP Member Seed Starter
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kqcrna
Aug 12, 2012 5:09 AM CST
The temps have soared here in the Ohio Valley this summer, and we've had little rain. Much worse than usual. As I look around my yard, the sun-tolerant coleus look better and healthier than most plants.
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Karen
Name: Bob
Vernon N.J. (Zone 6a)
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NJBob
Aug 12, 2012 4:11 PM CST

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For drought nothing beats Vinca as an annual . I almost never have to water them and they just keep on producing like nothing is wrong.
Name: Karen
Cincinnati, Oh (Zone 6a)
Forum moderator I was one of the first 300 contributors to the plant database! Cut Flowers Winter Sowing Charter ATP Member Seed Starter
Echinacea Plant and/or Seed Trader Region: Ohio Region: United States of America Butterflies Hummingbirder
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kqcrna
Aug 12, 2012 4:28 PM CST
My next door neighbor's vinca turned yellow, and look sick. They're not quite dead, but circling the drain. The western part of my county has gone from severe drought to extreme. Even vinca aren't faring well.

A few casualties in my yard
corydalis
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salvia nemorosa
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an old, established astilbe
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this gaura is struggling
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And I've watered a lot. I had to to work up that $400 water bill Hilarious!

Karen
Name: Corey
Chicago (Zone 6a)
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Ispahan
Aug 13, 2012 3:52 PM CST
This has been such a hard gardening year for so many of us. That said, these are the plants which have performed in the extended heat and drought (with supplemental waterings from the hose), although in many cases length of bloom was cut short compared to previous years:

Verbena bonariensis
Patrinia scabiosifolia
Crambe maritima
Agastache 'Blue Blazes'
Agastache 'Golden Jubilee'
Agastache 'Blue Fortune'
True lilies (especially Lilium regale, Lilium henryi and the OT types)
Hemerocallis citrina 'Yao Ming'
Veronicastrum 'Fascination'
Hibiscus 'Summer Storm'
Hibiscus 'Plum Crazy'
Various sedums
Calamintha nepetoides

I also have many asters and late blooming hardy chrysanthemums (the old-fashioned Korean types) that are growing quite well and are not yet forming buds. I am looking forward to the late show after this exhausting season!

The lilies in the photo below remained blooming for only 1.5 weeks in the heat compared to a solid 2-3 weeks in "normal" years. But they were wonderful and so fragrant while they lasted! This is LO lily hybrid 'El Condor'.


Name: virginiarose
Virginia
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virginiarose
Aug 13, 2012 5:42 PM CST
Perenial Hibiscus
Thumb of 2012-08-13/virginiarose/f5c9bf Buddleia
Thumb of 2012-08-13/virginiarose/aaa9e3 Black Eyed Susan
Purple Coneflower


These are mine. Green Grin!
Susan

In the spring, at the end of the day, you should smell like dirt.....Margaret Atwood
Name: Dianne
Sacramento, CA, zone 9a
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soilsandup
Aug 13, 2012 6:36 PM CST
Interesting about the coleus. I always thought they were shade plants that likes moisture.
Name: Karen
Cincinnati, Oh (Zone 6a)
Forum moderator I was one of the first 300 contributors to the plant database! Cut Flowers Winter Sowing Charter ATP Member Seed Starter
Echinacea Plant and/or Seed Trader Region: Ohio Region: United States of America Butterflies Hummingbirder
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kqcrna
Aug 14, 2012 4:53 AM CST
Some are for shade, Dianne. Most of the seed varieties are. But there are a lot of cutting-grown ones that are very sun tolerant, and they don't need all that much water. A good reputable vendor will tell you which are sun tolerant.

I've bought most of mine from Rosy Dawn, gotten some in trade, bought a few locally
http://rosydawngardens.com/coleus_images.htm

Now I start cuttings from mine in fall, and winter them in the house under lights.

Karen
Name: Polly Kinsman
Hannibal, NY (Zone 6a)

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PollyK
Feb 23, 2013 12:38 PM CST
Achillea, definitely, and sedums. They have some beautiful new ones of both.
Name: Arlene
Grantville, GA (Zone 8a)
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abhege
Feb 24, 2013 2:23 PM CST
I have had lots of luck with Nierembergia. It's a perennial for me.
Photo is Nierembergia with lobelia on top. It bloomed all summer.
[Last edited by abhege - Feb 24, 2013 4:02 PM (+)]
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Name: virginiarose
Virginia
Money talks but Chocolate Sings!
I was one of the first 300 contributors to the plant database! Garden Ideas: Level 1 Avid Green Pages Reviewer Hibiscus Dragonflies Daylilies
Bee Lover Dahlias Butterflies Hostas Birds Lilies
virginiarose
Feb 24, 2013 8:40 PM CST
Very pretty! Thumbs up
Susan

In the spring, at the end of the day, you should smell like dirt.....Margaret Atwood
Name: Clint Brown
Medina, TN (Zone 7b)
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clintbrown
Mar 3, 2013 9:38 PM CST

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My two favorite heat and drought tolerant plants are:

Yucca 'Color Guard' and Delosperma cooperi

Nothing came close to them for me. Both are actually looking ok in the winter too which makes them doubly good!

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