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Getting it to bloom

Why won't my Chinese witch hazel bloom? (and how to make it flower)

Also called Chinese witch hazel (Hamamelis mollis).

More about chinese witch hazel

About Chinese witch hazel

Hamamelis mollis · also called Chinese witch hazel · flowering

Chinese witch hazel is a highly fragrant, deciduous large shrub or small tree bearing spidery, golden-yellow flowers on bare branches from mid-winter to early spring. The large, hazel-like leaves colour well in autumn. Considered the most fragrant witch hazel species, it is a prized winter-interest specimen for temperate gardens.

Plant type: flowering

Watch for — Slow establishment: Hamamelis mollis is notoriously slow-growing and resents root disturbance. Always plant container-grown specimens; avoid moving established plants. It may take 3–5 years to flower prolifically after planting.

The reasons chinese witch hazel isn't blooming

Almost every non-blooming chinese witch hazel traces back to one of these, roughly in order of how common they are:

  1. Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
  2. Too much nitrogen feed, driving lush foliage at the expense of flowers (very common with general or lawn feeds).
  3. The plant has not been deadheaded, so it stops flowering once it sets seed.
  4. Irregular watering — drought or waterlogging at the budding stage makes buds abort.
  5. It is still too young or was checked by a transplant and is rebuilding before flowering.

Feeding chinese witch hazel 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 chinese witch hazel to flower

  1. Maximise sun. Give chinese witch hazel the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers.
  2. Switch the feed. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
  3. Deadhead regularly. Remove spent flowers often to keep it producing more rather than stopping to set seed.
  4. 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 chinese witch hazel and get the feeding right with the chinese witch hazel 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

Chinese witch hazel 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 chinese witch hazel care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Chinese witch hazel blooming — frequently asked questions

Why won't my chinese witch hazel flower?

Chinese witch hazel 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 chinese witch hazel bloom?

Give chinese witch hazel 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 chinese witch hazel normally bloom?

Chinese witch hazel 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 chinese witch hazel 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 chinese witch hazel flowering?

Feeding chinese witch hazel a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.

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