Roses forum: Roses and Heat

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Coastal Southern California (Zone 13a)
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jerijen
Jul 7, 2018 1:36 PM CST
The heatwave which has rolled across the continent finally made its way to Southern California ... here, in sight of the sea, we hit 107 yesterday.
Today, at 12:30 p.m., we sit at 99 deg., having "bounced" down from 100.

There's no way I'm going down to the hillside - but at house level, I've been picking roses as they open, before they turn to Instant Potpourri.

Thumb of 2018-07-07/jerijen/868239
'Mme. Lambard', "Jesse Hildreth", 'Prospero' and 'Eugene de Beauharnais'

Thumb of 2018-07-07/jerijen/b26f16
'Eugene de Beauharnais' and 'Prospero'
[Last edited by jerijen - Jul 7, 2018 1:39 PM (+)]
Give a thumbs up | Quote | Post #1756841 (1)
Zone 9, Sunset Zone 9 (Zone 9b)
Roses
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Mustbnuts
Jul 7, 2018 3:56 PM CST
They are beautiful! Yup, it is a tad warm outside. Ah, the joys of summer!
Name: Mike Stewart
Lower Hudson Valley, NY (Zone 6b)
Garden Photography I was one of the first 300 contributors to the plant database! Roses Seed Starter Container Gardener Bulbs
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Mike
Jul 7, 2018 8:35 PM CST
That's a lovely arrangement.
Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
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RoseBlush1
Jul 7, 2018 10:52 PM CST
It's been a cool week up here, only in the 90s. We hit the triple digits again next Wednesday ... Sighing!

Jeri ... you are so right. Crispy rose blooms are not a pretty site ... Rolling my eyes.

I am glad you cut some blooms to bring into the house ... Smiling
I'd rather weed than dust ... the weeds stay gone longer.
Name: Shyam
San Francisco, CA (Zone 10b)
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Rose_Guy1127
Jul 8, 2018 12:44 PM CST
Those are some gorgeous roses!
Coastal Southern California (Zone 13a)
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jerijen
Jul 8, 2018 2:00 PM CST
This is what happens (in a day) to the ones not-picked:
Thumb of 2018-07-08/jerijen/507a08
Crying
Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
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RoseBlush1
Jul 8, 2018 4:14 PM CST
Sad, Jeri ...

It doesn't save the blooms, but it helps the plant if you spray it down in the afternoon. It slows the transpiration rate a little and the roses do take moisture in through their leaves.

I don't know how much humidity you have in your garden, now, but if what you are experiencing is dry heat, spraying the roses down also inhibits a spider mite infestation.
I'd rather weed than dust ... the weeds stay gone longer.
Coastal Southern California (Zone 13a)
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jerijen
Jul 9, 2018 9:55 AM CST
It WAS dry heat.

Now, it is humid heat.

That said, yes. I have started hosing down the roses where possible.
Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
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RoseBlush1
Jul 9, 2018 10:14 AM CST
I have never gotten used to the heat up here, Jeri.

At least hosing down the roses avoids the spider mite problem.

It's always something ... Sighing!
I'd rather weed than dust ... the weeds stay gone longer.
Coastal Southern California (Zone 13a)
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jerijen
Jul 10, 2018 10:57 AM CST
Lyn -- The present heatwave here is outside anyone's experience. And it just keeps going..
Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
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RoseBlush1
Jul 10, 2018 11:56 AM CST
Jeri ...

I really do understand. I thought I understood "heat" when I lived inland in San Diego ... HA !

When I moved to the mountains, I did not expect the kind of heat we have here during our summer months. The normal summer temps are in the 90s and low 100s. When temps were hovering around 110F for days one summer, I concluded I was insane to move here, much less have a rose garden.

Even after all of these years, Jeri, I have not gotten used to this kind of heat. It is relentless.

Spring is always a marathon to "beat-the-heat". I don't think I have ever worked so hard in my life !

I still have work to do, but it's not getting done. Just the watering ... Sighing!

I can't use a drip system because of the nature of the subsoil. I have had to develop a different kind of watering method to keep moisture in the root zone of all of the plants.

At least I experimented enough so that I found a method that worked, so all of the roses are well-hydrated even in the heat.

Of course, the cost of water is lower up here because we do not have to import our water. That makes a huge difference.
I'd rather weed than dust ... the weeds stay gone longer.
Coastal Southern California (Zone 13a)
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jerijen
Jul 10, 2018 1:58 PM CST
Lyn -- We never used to import our water. We are part of a small Mutual Water Company, and our water comes from one of the local aquifers.

That was fine, when it was just orchards and farmhouses -- but now, it's all homes, and the dying remnants of orchards. And the water is so highly alkaline that it's almost undrinkable, as it comes from the aquifer. So, now, we "blend" in imported water.

And, yes, it's growing more and more expensive -- but the real problem is that there is less and less of it, and people waste it. Seeing water running down the street makes me so angry . . .
Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
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RoseBlush1
Jul 11, 2018 3:28 PM CST
I keep saying, "I understand", but it always amazes me how many people waste water down south of us.

I am very afraid Trinity County is going to become another Owens Valley ... Sighing!
I'd rather weed than dust ... the weeds stay gone longer.

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