Getting it to bloom
Why won't my Serbian Spruce bloom? (and how to make it flower)
Also called Serbian spruce, Balkan spruce (Picea omorika).
More about serbian spruce
About Serbian Spruce
Picea omorika · also called Serbian spruce, Balkan spruce · flowering
Serbian spruce is a narrow, slender-spired evergreen conifer prized for its graceful pendulous branchlets and two-toned needles, dark green above with bright silver bands beneath. Far more tolerant of pollution, clay and a range of soils than most spruces, it stays elegantly columnar with little pruning and makes a superb specimen or screen for smaller gardens.
Plant type: flowering
The reasons serbian spruce isn't blooming
Almost every non-blooming serbian spruce 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 serbian spruce 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 serbian spruce to flower
- Maximise sun. Give serbian spruce 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 serbian spruce and get the feeding right with the serbian spruce 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
Serbian Spruce 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 serbian spruce care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.
Serbian Spruce blooming — frequently asked questions
Why won't my serbian spruce flower?
Serbian Spruce 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 serbian spruce bloom?
Give serbian spruce 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 serbian spruce normally bloom?
Serbian Spruce 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 serbian spruce 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 serbian spruce flowering?
Feeding serbian spruce a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.
Keep reading
- Serbian Spruce care — the full brief (light, water, humidity, problems, pet safety)
- Serbian Spruce light needs — usually the first thing to fix for flowers
- Serbian Spruce 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 2023 bloom guides in the Growli library