Getting it to bloom
Why won't my Four-stamen Tamarisk bloom? (and how to make it flower)
Also called Four-stamen Tamarisk, Four-stamened Tamarisk (Tamarix tetrandra).
More about four-stamen tamarisk
About Four-stamen Tamarisk
Tamarix tetrandra · also called Four-stamen Tamarisk, Four-stamened Tamarisk · flowering
Tamarix tetrandra is a lax, medium-sized deciduous shrub native to south-eastern Europe and the eastern Mediterranean, distinguished from other garden tamarisks by its flowers appearing on the previous year's wood in late spring — earlier than summer-flowering species. Its almost black, arching branches and light pink flower plumes give it a particularly elegant, airy habit, and it holds the RHS Award of Garden Merit. Full sun and well-drained, non-chalky soil are the key requirements; prune immediately after flowering to encourage next year's flowering wood. Tamarix tetrandra is considered non-toxic to cats, dogs, and horses.
Plant type: flowering
Watch for — No flowers after incorrect pruning: Unlike summer-flowering tamarisks, T. tetrandra blooms on the previous year's wood; pruning in early spring removes the flowering wood and eliminates the year's display — prune only immediately after flowering has finished in late spring or early summer.
The reasons four-stamen tamarisk isn't blooming
Almost every non-blooming four-stamen tamarisk 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 four-stamen tamarisk 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 four-stamen tamarisk to flower
- Maximise sun. Give four-stamen tamarisk 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 four-stamen tamarisk and get the feeding right with the four-stamen tamarisk 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
Four-stamen Tamarisk 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 four-stamen tamarisk care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.
Four-stamen Tamarisk blooming — frequently asked questions
Why won't my four-stamen tamarisk flower?
Four-stamen Tamarisk 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 four-stamen tamarisk bloom?
Give four-stamen tamarisk 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 four-stamen tamarisk normally bloom?
Four-stamen Tamarisk 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 four-stamen tamarisk 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 four-stamen tamarisk flowering?
Feeding four-stamen tamarisk a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.
Keep reading
- Four-stamen Tamarisk care — the full brief (light, water, humidity, problems, pet safety)
- Four-stamen Tamarisk light needs — usually the first thing to fix for flowers
- Four-stamen Tamarisk 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 4114 bloom guides in the Growli library