Each will grow more than big enough to cover that length without additional plantings being needed. But: this is really a shade plant, looking much better (uniform deep green) on a north facing wall than in a sunny exposure (constantly discolored reddish etc.) even in my dull climate area.

Mine grow like weeds in various parts of my yard (I don't have any on the north walls of the house; my favorite is on an umbrella trellis outside my front door, which faces west).

I'd go with the 6' spacing. If you have western orientation, I've had success with putting the hose on full blast, right at the base of the plant, for 10 minutes... Twice a week during the summer; once a week (or two) in winter. Oh, and I've got mostly Houston Black Clay here in Central TX, east of I-35. :-)

One Devoted Dame they will be facing Southeast on my fence so hopefully they don't get too scorched. I tracked the sunlight and it gets a good 5hrs of morning and early afternoon sun. I'm also in Houston and have black clay too! Glad to know they can thrive here! It was between Star Jasmine and Carolina Jessamine and I wanted white flowers.

Also, did yours survive the freeze?

One Devoted Dame they will be facing Southeast on my fence so hopefully they don't get too scorched.

I guess I'm lucky, 'cause my umbrella trellis faces west, literally against a deep red brick wall, and my Confederate Jasmine is beautiful. Never been scorched. And I don't have any shade yet, 'cause my house is in a newer subdivision, and all the trees are relatively small.

I'm also in Houston and have black clay too!

:-)

I'm actually not in Houston, that's just the name of the clay soil I have! ;-)

It was between Star Jasmine and Carolina Jessamine and I wanted white flowers.

Same here. I wanted a non-toxic, evergreen vine with *white* flowers, and CJ was pretty much my only choice, lol.

Also, did yours survive the freeze?

"The freeze" referring to the crazy Snowpocalypse we had back in February 2021? Or the more recent smaller freezes we've had here lately?

Back in 2021, I took zero chances, 'cause I had baby plants, so I brought them inside the garage. That was the only time I took any measures to save them from cold weather. Earlier this month, when we had freezing temps, I didn't bother protecting anything, since nothing I have is new, *and* we've had lots of rain to keep the still-warm soil wet.

Hope that helps!

One Devoted Dame oh interesting I've never heard of Houston Black Clay Soil! I moved to Houston 2yrs ago, I'm originally from Austin so your comment about I-35 should have tipped me off that you weren't in Houston. The freeze here wasn't nearly as bad. We got a tiny blanket of snow but things thawed out fairly quickly other than on shady corners and bridges. I think we got down into the 20's. I feel like things are much easier to grow here but the humidity caused issues with leaf spot on my crape myrtles this year. Did you actually dig up the Jasmine for the freeze or are they kept in pots?

P.S. I was referring to the 2021 freeze. We haven't gotten lower than 45 this year.

I wasn't talking about scorching, I was talking about the leaf color being dominated by reddishness and other unattractive tones in sunny aspects. Making it look like the plants have a soil mineral deficiency. This behavior is absolutely consistent in my area, which historically has the dullest summers in the Lower 48. I've even been able to observe this difference in a local institutional setting with two large wall plantings growing near one another, yet only the fully shaded one being entirely green. (And this latter having grown several stories high during the period of observation, showing again that getting coverage of 35 ft. linear feet of fence with 6 specimens should not be a problem).

Embothrium, I see. Where exactly are you?