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Pruning A Star Jasmine Vine: When & How To Do It

My Star Jasmine was in need of a good shaping. This is all about pruning a Star Jasmine vine: find out when & how to do it.

close of a str jasmine plant covered in flowers the text reads Pruning A Star Jasmine Vine: When & How To Do It

I moved into a new home last year and inherited a tall and somewhat overgrown Star Jasmine. It didn’t look horrible but I just wanted to do a little neatening up. Late this past winter a profusion of sweetly scented flowers appeared for weeks so it was well worth saving. This is all about pruning my Star Jasmine vine to lightly shape and rejuvenate it.

Star Jasmine, known as Trachelospermum jasminoides and Confederate Jasmine, can be grown in many different forms. I’ve seen it growing as a vine, a low border hedge, a ground cover, against a wall or fence, overt an arch, across an arbor, and spilling out of containers. It’s pretty forgiving when it comes to pruning. You can do it with your pruners, a hedge clipper or even an electric hedge clipper. The latter isn’t my favorite method but if you have a 35′ border of Star Jasmine, then I guess that’s the time economical way to go.

Pruning a Star Jasmine:

When to prune Star Jasmine:

The time to prune Star Jasmine is right after it’s finished flowering. I pruned mine in early June but could have done it in early May. This plant can be pruned fairly hard or on the light side, depending on the look you want.

You may need to prune 1 or 2 more times in summer/early fall depending on what form it’s growing in. You don’t want to prune a Star Jasmine too late in the year as it needs time to set those flowers so they can appear in late winter/spring.

big jasmine star vine growing on a trellis this plant needs pruning it has no flowers leftThis is the vine before pruning

How I pruned my Star Jasmine vine:

1- 1st of all, I batted the vine with a broom to knock most of the dead leaves off. There were a lot & this helps to keep them from falling on me when I’m pruning.

2- I started pruning at the bottom because the foliage was sparse down there. I basically tipped it to encourage filling in, just taking off a node or 2 of growth.

the base of a star jasmine vine with very little foliage you can see all the trimmings on the ground

Head’s up: the stems of Star Jasmine emit a white, milky sap. It doesn’t bleed & drip like some of the Euphorbias do & it’s not as sticky. I’ve never had a bad reaction to it but just be careful if you’re sensitive to that type of thing. Some sites list Star Jasmine as non-toxic & others say it’s toxic. Never get the sap on your face.

3- I worked my way up the plant as far as I could without the ladder. Star Jasmine is a twining vine which needs something to attach or grab onto as it grows. Otherwise, it just falls back on itself & the new top growth smothers the undergrowth.

Head’s up: If you’re unsure as to how much to take off, it’s better to start with a light pruning. You can always go back & take more off. That’s exactly what I did in some spots with this plant – you’ll see it in the video.

4- I needed to take 6 – 10″ of the top growth off so the middle part of the plant could fill in. The stems which had twined onto each other were pruned back or taken out so the load could be lightened. Just like cutting thick hair with layers!

the left side of a star jasmine vine has not been pruned the right side has there's a pair of pruners on a ladder in the foreground

Here you can see where I pruned on the left side. 

5- All the dead stems, most of them underneath, were removed.

6- After the pruning I gave the Star Jasmine a good, deep watering & top dressed it with another 3-4″ of compost to nourish & keep it from drying out.

a star jasmine vine after being pruned this plant is very thin with little growth in the middle

After the pruning- not the most beautiful but I have hopes for it a year from now!

I didn’t want my Star Jasmine  to look scalped or like a chimney. It now looks a little awkward but that nice new springy green growth should be appearing by early winter and the plant will be on it’s merry way to filling in. Maybe I’ll prune it 1 more time in late summer – time will tell on that one. I look forward to a mass of sweetly scented, starry blooms next winter!

Happy gardening & thanks for stopping by,

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  1. what about pruning one in a pot in Pa.
    Thank You

  2. Hi Sarah – You basically prune them the same way & at the same times. Star Jasmines tend to stay smaller in pots, as do most plants, so you probably won’t need to be as vigorous with the pruning. Nell

  3. What is the best way to propergate jasmin? Tisha

  4. Hi Tisha – By softwood cuttings (the tips) about 5-7″ long in propagation mix. They like to be kept moist while propagating & misting every day or other day would be appreciated. Nell

  5. Hi Nell,
    Thank you for the great post! Where can I find a trellis that is 10-12 tall like the one that your jasmine is climbing on?
    Thank you!

  6. Thank you Sherri! Mine is actually 6′ tall – it’s just mounted higher on the wall. I got it from a retail display supply company. I just wanted something plain & white. You can google: retail display gridwall & options will pop up for different sizes. Nell

  7. Hi I need advice re a Star Jasmine that covers a pergola. Looks beautiful and green from second fl window but in courtyard looks just woody.
    How do I prune from below and what do I do about the top that is out of reach?
    Thank you Dianna

  8. My plants have the leaves turning yellow and the blooms are drooping. We would like to eventually plant them in the ground. I’m in Zone 8/8b (so. cal. desert) Any recommendations?

  9. Hi Dianna – The best time to prune a Star Jasmine is right after it flowers. Because it’s such an established plant, don’t prune below a point with no foliage. That may be 1′ or it might be 5′. You also want to thin the plant a bit as you go along so it doesn’t grow back too thick. As for the top, it’ll eventually die on its own. Some of the leaves will fall as they die but to get all the vine off, you’ll need to do it with a ladder. SJ twines & attaches as it grows. Nell

  10. Hi Jodi – Sounds like the plant is too dry. My Star Jasmine here in Tucson gets sunburned when the temps go above 105. The leaves turn a yellowish-orange. Nell

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