Rhododendron roseum from what I have heard is one of the hardiest Rhododendrons on the planet. There may be even hardier cultivars of it. Here in much warmer and much more southerly Boise, it seems to do ok in partial sun; up there in Edmonton the low sun angle should make a sunny spot just fine. It will definitely need watered in before it gets too cold. Does Edmonton get the Chinook winds like Calgary and points south do? If so give them some water during then, if not throw some snow at their bases. Cold weather will dry rhododendrons out esp. if planted under an eave where they cannot get the rain and snow; I have also heard snow will insulate plants, to an extent. I don't think they will get ten feet tall that far north though...

Thanks Desert Dave.

We don't get the chinooks that Calgary does as we are too far from the mountains. But over the last few years the jet stream has been getting farther north for most of the winter. Now instead of -30 C for 3 to 4 weeks after xmas with 1-2' of snow cover, we get -30 on 1 or 2 days in late November or mid January with no snow. Instead of consistent temperatures below freezing from mid December to early February with snow cover, we now get erratic temperatures between +10 C and -15 C and almost no snow cover.

Last winter the ground dried out so bad that it had cracks up to 18" deep. The garden hose would not fully thaw out, so I packed water at least once a week from the house to the important parts of the yard.

Allen

I got three rhododendrons locally. All of them hardy in Zone 3b and 4a and are evergreen.
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This is the Peter Tigerstedt. It is supposed to grow to 7 feet, flower early May - white blooms with a brown/red splotch.

This is the Hellikki. It is supposed to grow to 5 feet. The flowers are red and bloom in mid May.

This is the Haaga. It is supposed to grow to 6 feet. The flowers are pink with dark pink splotches and bloom early June.

Now I need to rip out a dead tree and the Lilac bush to make room for them.

Allen

I can't seem to figure out how to downsize the images from my camera's storage card.

Help!!!

Allen

I usually use photoshop but here's an easy way of doing it. Go to this site. http://www.resize2mail.com

Regards,
Jay

Thanks Jay;

Allen

Your welcome. 😀

This one of my favourite azaleas I have.