Getting it to bloom
Why won't my Star Jasmine bloom? (and how to make it flower)
Also called Confederate Jasmine, Star Jasmine (Trachelospermum jasminoides).
More about star jasmine
About Star Jasmine
Trachelospermum jasminoides · also called Confederate Jasmine, Star Jasmine · flowering
Star jasmine is a vigorous evergreen twining climber, not a true jasmine, prized for glossy dark foliage and masses of fragrant, pinwheel-shaped white flowers in early to midsummer. It clothes walls, fences and pergolas, tolerates sun or part shade, and is moderately hardy in mild temperate gardens. The stems exude milky sap when cut.
Plant type: flowering
Watch for — Slow start / poor flowering when young: Newly planted star jasmine establishes slowly and may flower little for the first year or two. Be patient, keep it watered, and flowering improves markedly as it matures.
The reasons star jasmine isn't blooming
Almost every non-blooming star jasmine traces back to one of these, roughly in order of how common they are:
- Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
- Too much nitrogen feed, driving lush foliage at the expense of flowers (very common with general or lawn feeds).
- The plant has not been deadheaded, so it stops flowering once it sets seed.
- Irregular watering — drought or waterlogging at the budding stage makes buds abort.
- It is still too young or was checked by a transplant and is rebuilding before flowering.
Feeding star jasmine a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.
The fix — how to get star jasmine to flower
- Maximise sun. Give star jasmine the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers.
- Switch the feed. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
- Deadhead regularly. Remove spent flowers often to keep it producing more rather than stopping to set seed.
- Water consistently. Keep moisture even through budding and flowering — drought-then-flood swings make buds drop.
Light and feeding do most of the heavy lifting here. Dial in the spot with the light guide for star jasmine and get the feeding right with the star jasmine fertilising schedule — the wrong feed (too much nitrogen) is one of the most common silent reasons a healthy plant makes leaves instead of flowers.
Bloom season and what to expect
Star Jasmine flowers across its growing season (mostly summer) and, kept fed and deadheaded, can bloom for many weeks or right up to frost.
Post-bloom care so it flowers again
Deadhead, keep feeding lightly, and many will rebloom; collect seed from the best plants at the end of the season if you want to grow them again.
For everything else this plant needs day to day, see the full star jasmine care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.
Star Jasmine blooming — frequently asked questions
Why won't my star jasmine flower?
Star Jasmine blooms on the season's growth given enough sun, warmth and the right feed — there is no cold or photoperiod trick, just good growing conditions and a bloom-leaning feed. The most common reason it is not happening: Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
How do I make star jasmine bloom?
Give star jasmine the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
When does star jasmine normally bloom?
Star Jasmine flowers across its growing season (mostly summer) and, kept fed and deadheaded, can bloom for many weeks or right up to frost.
What should I do with star jasmine after it flowers?
Deadhead, keep feeding lightly, and many will rebloom; collect seed from the best plants at the end of the season if you want to grow them again.
What is the single biggest mistake stopping star jasmine flowering?
Feeding star jasmine a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.
Keep reading
- Star Jasmine care — the full brief (light, water, humidity, problems, pet safety)
- Star Jasmine light needs — usually the first thing to fix for flowers
- Star Jasmine fertilising — the right feed for buds, not just leaves
- Should I water my plant? The simple check
- Why is my plant wilting? Wet vs dry
- Underwatered plant — signs and rehydration
- Why won't my peace lily bloom?
- Why won't my jade plant bloom?
- Why won't my tomato bloom?
- All 407 bloom guides in the Growli library