How do you protect your trees against summer heatwaves?

Shogun610

Masterpiece
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Spruces and Larch I water 2x per day along with deciduous of its above 85F. Pines are usually Ok to water 1x or even every other day spending if it’s not above 85z sometimes I water the containers too to cool down , some mornings there are a lot of morning mist which keeps the soil moist. Shade net holds spruce , beech , hornbeam of above 85F, along w accent plants. White t shirts go on larches , pines and spruce if still in black containers used to hold collected trees. I feel like 85F is my upper limit for increased watering and shade protection, other than that I water in evening, morning sun w dappled shade until 8 -9 and by 4, everything is shaded by the house. Stuff in shade net gets nothing sun until 11 am ..
 

arreaux

Sapling
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Lodi, Ca
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When it's over 100° I can turn on my overhead Foggit nozzles for few seconds via my phone, It's just a little to help cool things down a bit.
 

Godschick

Mame
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Fresno CA
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It’s has been over 100 for a couple months and we still have about two more to go. My trees are on a balcony in the city, so a bit challenging. I give them partial shade provided by double reed walls on the west side to protect them from the blazing afternoon sun. I have my maples, ginkgos and azaleas under a bench that only gets a little morning sun. I also have a partial shade cloth overhead. The junipers and pines get mostly sun, with a little protection late afternoon at its hottest. I water around noon, heavily each day. Knowing the summer conditions here, I did add a little organic in my inorganic mix to retain moisture. This is my first California Central Valley summer and my trees are healthy and have amazing growth.
 

PieterVE

Mame
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Ghoy, Belgium
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- water 2 or 3 times, can be misting in the early morning before the sun hits, like today
- extra shade netting now its 95F or 35°C
- wet towels on some pots that aren't protected by the shade netting
- doing a rain dance this weekend as we're now almost 2 months with a lot of sun and almost no rain to speak of so all the plants, shrubs and trees in the garden are burnt and the grass is brown and even black roasted... Trees are losing their leaves already like it's autumn...
 

bbk

Yamadori
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- water 2 or 3 times, can be misting in the early morning before the sun hits, like today
- extra shade netting now its 95F or 35°C
- wet towels on some pots that aren't protected by the shade netting
- doing a rain dance this weekend as we're now almost 2 months with a lot of sun and almost no rain to speak of so all the plants, shrubs and trees in the garden are burnt and the grass is brown and even black roasted... Trees are losing their leaves already like it's autumn...

Welcome to Australia mate.
 

Tele

Sapling
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Barcelona
It has been crazy hot here. I have used aluminium foil on the part of the pots with sun. Also spray every 2 hours more for cooling then watering.
Here in Zaragoza (Spain) we had 40C+, 105F+ mostly. Few burned leaves but quite ok.
 

Katie0317

Chumono
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My husband built this for our orchids. He put sliding doors on the front and it has a full size stainless steel sink and counter inside...A great add on for working with both bonsai and orchids. We put our trident maple inside to get filtered light. It has a bamboo roof so the rain gets through. Am going to do a thread that shows it in detail when it's finished.

We live in the semi-tropics and it rains almost every afternoon but pots left in open sun get way too hot for most bonsai trees. We have mostly tropicals. They're under a shade sail right now with a few exceptions. Herorchid house.jpg
 

Deep Sea Diver

Masterpiece
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90 and above move sensitive trees into only early morning sun on the north side of the house

Heat tolerant trees, partial shade and cluster on open slat benches

Most often spray the trees as and wet the ground underneath….

Over 100 sensitive trees full shade. Heat tolerant trees move to the same spot the sensitive trees were out at above 90.

Most more. Wet ground.

Cheers
DSD sends
 
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