Kerria Japanese Is One Of A Kind. Planting, Reproduction, Care. Photo

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Kerria Japanese Is One Of A Kind. Planting, Reproduction, Care. Photo
Kerria Japanese Is One Of A Kind. Planting, Reproduction, Care. Photo

Video: Kerria Japanese Is One Of A Kind. Planting, Reproduction, Care. Photo

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Video: Kerria japonica 'Pleniflora' flower time lapse 2023, February

This is exactly what a botanist would say about kerria, since there is only one species in this genus - the Japanese Kerria (Kerria japonica). It's amazing why kerria is rare in our gardens. It is quite pretty, thanks to the exquisite graphicity of shoots and leaves, and the piercing "chicken" yellowness of the flowers. It blooms richly for about a month, starting from the last days of May, and at the end of summer it blooms again, although this time it is not abundant. And, despite its rather southern origin, it is quite hardy in the middle lane, although the ends of the shoots in winter often freeze slightly. About planting kerrias, breeding and wintering, read the article.

Kerria Japanese
Kerria Japanese


  • What is she - kerria?
  • Choosing a place to grow kerrias
  • Reproduction of Japanese kerria
  • Kerria planting
  • Japanese Kerria care

What is she - kerria?

Kerria (Kerria) is a genus of deciduous shrubs from the family Rosaceae. The genus name is given to the plant in honor of William Kerr, the first gardener of the Royal Botanic Gardens in Ceylon and a collector of plants. The name "Easter Rose" was given to the shrub during flowering and the shape of flowers that resemble small roses.

And the homeland of the Japanese kerria is China and Japan. There, her bushes reach almost three meters in height. In our country, they never cross the meter mark. Moreover, the shoots are almost entirely green, only in the lower part they turn slightly brown, which is why the most real bushes give the impression of herbaceous plants. The leaves of the kerria have a drawn-out tip, up to 8-10 cm long, with a distinct depressed venation. The edge of the leaf is serrated. Thin bright green twigs of the shoots resemble cereal straws, and thanks to the abundant root shoots, they form a kind of thin turf.

Choosing a place to grow kerrias

Kerria fits perfectly into the company of a large mixed flower garden. It is good on the edges of shrub compositions, naturally combined with low, upward conifers - spruce, thuja, junipers. It is quite harmonious in a traditional front garden next to roses, hosts, summer spireas.

Kerria is used as a hedge when decorating mixborders. It looks good as a tapeworm with many spring primroses (witch hazel, rhododendron, azalea, mahonia).

My acquaintance with the Japanese kerriya took place ten years ago. I tried to grow it in a variety of conditions: on a fairly dry, gentle slope, on a flat open place, in a protected sunny nook. It turned out that a place covered from cold winds with moist fertile loam, in full light, is most suitable for kerrias. In winter, a lot of snow accumulates there, which is only good for kerrias.

Kerria Japanese
Kerria Japanese

Reproduction of Japanese kerria

The easiest way to propagate kerria is by dividing the old bush. By bending and pinning flexible shoots to the ground, it is easy to get horizontal layers.

And you can separate the shoots from the bush and then grow it in a shaded place with frequent watering. But kerria reproduces most effectively by cuttings - lignified and green (although they are all green in color).

I cut lignified kerria cuttings in April, green ones in mid-June. Cuttings with one internode (that is, with two vertically adjacent leaves, the cut from the bottom is oblique) I plant in a cold greenhouse in light partial shade. They take root quite well, but not quickly. I leave it in place for the winter. And only in May of next year I plant them for growing. The most advanced cuttings can be distributed into containers. And by April next year, all kerria cuttings turn into small bushes, ready for planting in a permanent place.

Kerria Japanese
Kerria Japanese

Kerria planting

I dig a hole 60 × 60 cm in size and about 40 cm deep for kerry. I fill it with a mixture of turf soil, humus and fertile garden soil in a ratio of 3: 3: 2, add 60-80 g of complete mineral fertilizer to this mixture. I pour the mixture in a slide, taking into account the shrinkage, after planting I carefully water the bush.

Kerria well tolerates transplanting with an earthen clod, with a certain accuracy, this can be done at any time, but it is better to transplant in spring and autumn, when there are no leaves.

For another two weeks after moving the plants to a permanent place of residence, I regularly water them, thoroughly saturating the root zone. And since this shrub is quite hygrophilous, watering is useful in the future, with a drought that lasts more than a week.

Kerria Japanese
Kerria Japanese

Japanese Kerria care

After the first flowering, in July, I cut off the kerrias and at the same time I feed the mullein infusion. I cut tall branches at the same height (about 1/3), and only slightly pinch young root shoots to stimulate branching. Usually I limit myself to one feeding, but sometimes I repeat it after two weeks.

Cutting, coupled with feeding, contributes to the active growth of the crown, the formation of a larger number of young shoots. I was convinced that if everything is left to chance, kerria "will lose its gloss", and with good care it is always attractive and blooms all summer without sharp drops.

Although I do not cover my kerrias for the winter, because I have successfully chosen a place for them on the site, I still advise in an open place with the onset of stable night frosts and transitions of the average daily temperature through 0 ° C (this usually occurs in the first ten days of November) to bend the branches of the bush to the ground with hooks, then overlay the plant with spruce branches.

Even if your flower garden is bursting with all sorts of rarities, I advise you to find a place for kerrias. After all, she is one of a kind, there is no one like her.

Author: A. Smirnov, Vladimir.

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