In my zone 6b Pennsylvania garden, I grown Gemini, Tamora, Lavaglut and olog. I have a friend in the same zone (near me) who has Cherry Parfait and a DIL who has Frederick Mistral. I'm thinking you might have slightly more humidity than I. My gardens are all day south exposed full sun. Gemini is a wonderful rose and does quite well, even with disease resistance, but like Diane NJ say, it shuts down over the very hottest, most humid part of the summer. Winters, it seems quite strong. Besides being very small, Tamora doesn't do so well in the heat and humidity either and is more prone to black spot. I'm not as thrilled with this rose as I could be and it suffers from winter die back. Frederick Mistral also suffers from winter kill, but not to the extent as Tamora. It is also a larger bush, more heat tolerant but still prone to black spot. Cherry Parfait, olog and Lavaglut are all outstanding in the gardens around here. Cherry Parfait is more prone to black spot, but is winter strong. Olog and lavaglut will get blackspot in my garden toward the end of the season and I do spray, but not as regularily as some of the others. Remember to keep Tamora, olog and Lavaglut toward the front of the bed since all these roses have a tendency to be squatty. Tamora looks more like a miniature except for the leaf and bloom size. The plant is so extremely tiny. This is just my take. All roses act differently in different areas.

Desertgarden, it still is "hot" here in October with temps ranging from 90--100 or so. It doesn't start to cool off until towards the end of October. October is what I call our up and down season. Nice weather one day and then the next it is hot. Then bam, come November 1st, it cools off dramatically. Usually by the end of November is it cold (cold being a relative term for me). We can have nights below freezing by the end of November and daytime highs in the 50's. Oh, and of course, our lovely fog season starts then. Can't see your hand in front of your face. That is when we have our 100-200 car pile ups on the freeways as people drive like they can see in the fog--which they can't. This year, we shall see how La Nina hits us. Last time we had a La Nina, we had snow for a couple of days with temps not above 28 degrees. Really bad on the citrus we grow here. Not looking forward to that again. Went to bed last night about 9:15 and it was still 94 degrees outside. After a week of 109--113, we are supposed to cool off to the low 100's. I think it is only going to be 103 today and they may be right since at 5 am this morning it is only 76 degrees. Roses are still pumping out blooms. Pretty Jessica, Blue for You, Eyes for You, Peppermint Parfait, Occhi di Fata, Candice, Wedding Cake (those blooms last forever on the bush) and Midnight Blue.

cannot speak to heat tolerant conifers sad to say but i thought i would speak up for the surprising adaptability of Mexican conifers (Mexican oaks as well) to seemingly very different climates and localities. i have had gratifying success growing a number of species (likely mostly from areas with a summer rainfall maximum) here in the summer cool and dry (winter very wet) pacific north west (oregon coast)---including pinus montizumae, p. patula, p. pseudostrobus, p. estevezii,, cupressus montana, c. guadalupensis, and podocarpus matudae---.wonderful trees that once established seem to do well with little or no additional care.

While this thread was pointlessly bumped, I wanted to thank Dean for sharing that study. I have 2 A. pindrow and they've been just fine here. Also showing enough root rot resistance _for northeastern Maryland_ (elsewhere, YMMV) A. recurvata A. alba (there's a huge one at Longwood Gardens, and a big one at National Arboretum) A. nordmanniana Failures: any western US fir on its own roots - I've tried several of them; although my house came with a Concolor fir that was 40-50' tall, it was in slow decline the whole time and died after one of the mega-wet spells we had in the early 2010s. If you had to chose one as slightly tolerant for the eastern US, it would be that one. And they are common landscaping material up north like the NYC and Boston suburbs. Abies delavayi on its own roots Btw to 'Cliff' ungrafted Noble Fir, Abies procera, is 100% no go for anywhere in the southern US other than the highest mountain towns like Boone, NC. Will probably die the first year of root rot, as did mine.