There’s a bunch, maybe not cane hardy but crown hardy. Do a search for Z5 hardiness, Nippstress has put lists up of what has worked for her.

Ken,

I have not found a 'no winter protection,' tip hardy hybrid tea yet.

The ADR winners, some hybrid teas among them, should be tip hardy for you, but don't count on it. My three winter old, ADR winner, Pink Enchantment, grows vigorously, but is only cane hardy to 4-6" from the ground. That gives it enough above ground surviving growth to let it get some size on it by fall. However, its yearly end of season size is barely bigger, each year, than the previous year's finished size. It is maturing very slowly for this reason.

Beware of claims of winter hardiness. The term means different things to different people. To some (I think the rose producers apply this one), it means crown hardy only. Everything above ground can die back to them, and if the crown sends up basal growth, they call this 'winter hardy'. To others, it means cane hardy, but often only to a couple inches of live wood on the canes. Yet, to others, it means tip hardy...no winter kill whatsoever.

My definition of winter hardy means a range of hardiness from tip hardy to some acceptable winter damage that kills wood I will prune back anyway in the spring. The fact that this, usually upper growth or late season basal growth, has died is OK, as long as as the bush after pruning, is the ideal size I desired it to be.

Moses

I grow a few in zone 6, lower Michigan. What I have learned from my rose society on hybrid teas, is that they prefer/need to be pruned way...way down in spring anyway, to just a couple inches. With that being the case, I don't care if the canes have a lot of dieback, because it's all going to get pruned off in spring anyway, so what different does it make?

Some Buck HTs may be tip hardy. I have no experience with the zones you mentioned.

Some of my previous threads on hardy HTs and floris that Dingo mentioned were from when I was a less experienced rose gardener, and I've found fewer of them that are hardy over multiple years than I'd originally thought. Moses is right (of course) that few HTs are truly tip hardy in zone 5, but I have a few that meet that criterion as well as several more that meet his second criterion of hardy with acceptable winter damage and at least half of the cane surviving.

I'll start with some that I can state with assurance would be tip hardy in zone 6, since they're either tip hardy or at least half surviving cane in my zone 4 pockets of the yard. Anyone surprised that a lot of these roses are from Kordes? I didn't think so.

However, my first favorite and most reliably hardy and incredibly bushy and long lasting HT is by Kirkham, who has bred relatively few roses. It's Jack's Wish, and it is a monster 5' freestanding bush that puts out clear medium pink roses with beautiful healthy foliage all summer with little to no cane loss in virtual zone 4. The only problem is you can't buy this rose in the US yet, but I've talked to the company where I sent cuttings two years ago and they think they might have roses to sell of this plant within another year or two.

I mean, what's not to love? All the pink you see in this shot is Jack's Wish except for a little off to the right that's Carefree Celebration. Jack's Wish blooms so frequently I have trouble keeping up with the deadheading (clearly)

Another virtual zone 4 HT with at least half cane survival over the winter is Queen of Hearts Freelander (Kordes), though in part sun it's not exactly a quick rebloomer. It is shorter than advertised in this zone 4 spot, but you can see the foliage is clean as would be expected from Kordes.

Zone 4 root hardy, so probably zone 5 half cane hardy and zone 6 tip hardy: would be Passionate Kisses (Meilland). It's still relatively young so I don't have great pictures of that one yet.

Typical zone 5 at least half cane hardy:

Liverpool Remembers (Fryer). I love this rose - it's a reliably knock your socks off bright coral-orange, stays short at 3', and reblooms well on a bushy plant. Mine is grafted, which may help, but I'm getting a second own root plant this summer, which says a lot as I rarely intentionally buy a second rose of a variety I already have.

Wedding Bells and Beverly (both Kordes). You've seen blooms of these ones - huuuuuge pink healthy blooms on the end of a tall narrow bush. They both grow like an HT for me, meaning a couple of large exquisite blooms at the end of tall canes with a 6 week rebloom cycle, but it's worth it. Wedding Bells is a bit smaller and bushier and a little more frequent bloomer, but Beverly has larger flowers.

Soeur Emmanuelle (Delbard). This one has been impressing me more lately with a "whoa, what is THAT rose" head turn. Huge fluffy pink blooms on surprisingly long lanky canes that tend to want to go visit the neighbors. Still not a lot of bushy structure to this one, but it's only coming into its third year.

Archbishop Desmond Tutu/Tutu Sunbelt (Kordes) - a true dark red compact 3' bush that puts out lovely bushy canes and blooms all summer with very little care or dieback.

Safari Freelander (Kordes) - a true orange healthy bush that survives in adverse conditions (part shade, tree root competition, stiff west wind in winter). It is shorter under these conditions than it would probably be under better conditions, but you have to love a survivor:

Caramella (Kordes). Mine gets well over 6' and needs a 5' fence around the outside to keep the canes upright, possibly because of the profusion of blooms it puts out. It does have a rest period, but it keeps nearly all its canes so I have the actual choice of shape pruning this one in spring if I want to. I love the mutable variety of the colors. It can fade to a cream color, but usually has more interesting mix of tones in the blooms.

Garden Delight (Kordes) . My word, I love this rose. I'd put it in at least my top 20 roses, along with Jack's Wish and the next two roses on the list below. It's reliably 6' tall, bushy, blooms all season, usually tip hardy (though it loses a few canes to the base like Quadra does) and no two blooms are alike, but they're almost always vivid. Here is a picture from May last year - yes MAY in zone 5 when the tulips are still finishing and some roses are still waking up. Here it hasn't fully bushed out from the base with new growth yet, but it's already towering over a 4' obelisk nearby.

Comtesse de Segur (Delbard) and Dames de Chenonceau (Delbard). I can discuss and show these together, since they're very similar roses. They're mostly tip hardy for me, and at least DdC is WAYYY bigger than the 3' I saw listed for her on hmf. Comtesse de Segur is more dainty and stays a more modest 3' or
so. DdC puts out 6' long canes that I drape over a low fence to keep
them tame, and it blooms off and on all summer. They both have fluffy
very double OGR type blooms that I presume smell nice (I can't
tell). They're clean and healthy and very hardy. The pink you see at the
far right by the shed in DdC, and the medium pink poking its nose up
here and there behind Heart 'n' Soul (the picotee red/white rose at left
center) is CdS. As you can see, the ones in front of her are taller
than they should be so she gets left out.

Dark Desire (Kordes). Yep, you know this rose from a lot of pictures that we post and it's reliably hardy for me. It might need a little tip pruning, and I might try some deeper shaping pruning this spring as it really wants to be a tall lanky almost climber in my zone 5. I loooove the dark red to red-purple blooms and I'm wondering if it would bush out better with deeper pruning, since it mostly wants to bloom on the end of long canes. I do a little half-hearted pegging horizontally, but I think I'll put more effort into this one now that it's mature to get a bushier form.

Sugar Moon (Bedard). This one wasn't reliably hardy in my zone 4 spot but seems to have no problems in a normal zone 5 spot, and had half cane left when I pruned it last weekend. It's only two years old in that spot so we'll see how it does over time, but it's among the hardier white HTs I have. JFK has been root hardy in zone 5 and part cane hardy in zone 6, but it's more like traditional HT survival, and Sugar Moon does better in terms of survival.

Tip hardy in my virtual zone 6: Aloha, HT climber (Boerner) and Dixieland Linda/Lady Ashe, HT climber (Bonnyman). You've seen photos of these here, so I'll just reiterate that they're very good climbers for cold zones and lose very little cane over the winter. Aloha probably holds more cane, but Dixieland LInda has the harsher conditions to contend with.

Just my two cents but these are some options that would certainly be tip hardy for you in zone 6.

Cynthia