Here is my potted Clematis 'Hagley Hybrid'......which has lots of leaves and is growing well, but ........ when will the flowers appear ????

Patience, Alan! Then more patience. Someday, when you're tired of checking it for blooms, it will happen.

LOL, I like my Iris gardens ....... cuz I know that in the middle of May they will be full of blooms .....every year, at the same time! Yeah, I'm an impatient gardener. I think with Clematis,
I will have to be very patient ....cuz I think I'm gonna be waiting quite awhile !

Clematises have that element of surprise attached so until we spot the first bud we don't get excited.

Well, I'm already finding that the old adage "First Year they Creep. . ." to definitely be the case! Cause mine are all definitely creeeeeeeeeeping along at a very slow pace of growth. SO I guess I can stop watching them now !

Well, it looks healthy and that's a very good thing!

Did it bloom for you?

Oh my Yes it did - that was 'Hagley Hybrid' and it was lovely in the Spring, but as the temps got warmer and hotter, the flowers faded and eventually stopped. I don't think Clematis like heat or the sun. Most of mine (18 of them) have not done well in direct sunshine or heat at all.

You might want to add a lot more compost, then mulch, around the base of each one. Good job for cooler hours.

I had (6) Potted Clematis in the front of my house, all in Direct Sunlight for hours each day .......
Once the Summer came, forget it, they scorched and burned and all shriveled up and stopped
blooming. I finally had to move them to the back of the house in shade/semi-shade. Some have
recovered, 2 had to be cut down to the soil level. I don't really think Clematis are meant to handle
that level of Direct sunlight. Now I know for next year to keep them off the front patio.

They do like sun but this summer, in the northeast, was exceptionally hot so they may have suffered in pots. They won't suffer from being cut back. I've done it many times. If you could repot them, adding compost, it would benefit them. Make sure to add mulch to keep the water from evaporating as fast as it must have.

My 16 potted Clematis are all in heavy stone Urns - the thought of repotting them brings on a Migraine at the moment, so I think I will forego that. I just moved all of them to my back patio to
give them a break from the Sun - many of them have reset new flower buds !

Stone urns would have me upset as well! Good to hear you have new buds. Never give up on clematises!

(3) of the Clematis' that have been moved to the back patio (and out of the intense fun sunlight in the front) are in bloom. I, personally, never really believed that Clematis vines should be subjected to intense heat and full sun. So, I am very pleased that 'Warsaw Nike', 'H.J. Young' and 'Westerplatte' are in bloom again ......

Wonderful. That's what we love to hear.

However, there are others I have potted up that will not be saved, they will be discarded. They have not grown well, if at all, and I don't feel they have much prospect.

My motto is "Never give up" but do what you must. I'd cut them back hard (to 2") and use lots of compost just to see which ones survive.