saxifrages in 6b?

Narberth, PA(Zone 6b)

Will saxifrages survive a summer in the Philadelphia suburbs? Are there species or cultivars that are more heat tolerant than others? Thanks!

Calgary, AB(Zone 3b)

I can't answer your question directly, having no gardening experience in your area. I would, however, suggest you take a look at the following link, which may be helpful:

Narberth, PA(Zone 6b)

Thanks altagardener!

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