skimmia

How To Grow and Care for Skimmia (Skimmia japonica)

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Japanese skimmia is a fantastic evergreen shrub for shady areas with a variety of attractive features. Read on to learn more about how to grow and care for this all-year performer.

What Is A Japanese Skimmia?

Skimmia japonica or the Japanese skimmia is an ornamental shrub from the Rutaceae family. These plants have it all, with attractive aromatic foliage, showy fragrant blossoms, and attractive persistent fruits. These naturally neat and rounded evergreen shrubs have a dense growth form.

Wild types of these plants grow to the impressive (but unmanageable) height of about 20 ft (6 m) but horticultural varieties have been developed to be much smaller, usually growing to 4 ft (1.2 m) tall and 5 ft (1.5 m) across or less, depending on the cultivar.

These long-lived, slow-growing plants are native to Southeast Asia, including parts of Japan and China. Skimmia leaves are 2.5 to 5 inches (6.5 to 12.5 cm) long and narrowly elliptic in shape. 

The glossy, deep green foliage occurs in whorls at the ends of branches and is aromatic if crushed.

Flowers

Japanese skimmia flowers are star-shaped and have 4 or 5 petals. These white-yellowish flowers are about ¼ inch (6 mm) across, although male flowers are slightly larger. These fragrant blooms occur in terminal panicles in the spring months of April to May. (1)

Importantly, most Japanese skimmia varieties are dioecious, which means that separate male and female plants occur. While both sexes will flower beautifully, it’s only the females that produce the showy, red fruits that these plants are so popular for.

These persistent fruits will only be produced if female plants are fertilized by a nearby male and for this reason, it is suggested that you plant at least one male to every 6 females.

skimmia japonica

Skimmia Cultivars and Subspecies

‘Rubella’ is an ideal male cultivar to grow near your female plants because of its beautiful reddish-green foliage. These plants have a compact growth form, reaching 2 to 3 ft (60 to 90 cm) in height and spread. Other male cultivars include ‘Kew Green’ and ‘Fragrans’.

‘Nymans’ and ‘Veitchii’ are good female cultivars that will produce fruits if grown near a male plant.

Skimmia japonica ssp. reevesiana is a self-fertile subspecies that is able to produce fruits without fertilization from another plant. This is a compact plant, reaching a height and spread of less than 3 ft (90 cm), and can be grown in the same way as S. japonica.

How To Grow A Skimmia Shrub

Japanese skimmias can be grown from seed, removed from the fruits. These seeds will benefit from exposure to cold conditions overwinter, causing them to come out of dormancy and germinate in the spring.

Cuttings are also an effective way of growing these plants. Soft, semi-hard, or hardwood cuttings can be used, depending on when they are taken.

These plants can be grown in a variety of soils, but moist fertile soil is definitely favored. Slightly acidic to neutral soils that are well-drained and contain a good amount of organic material will encourage these plants to grow to their full potential.

To improve your soil, mix in some compost or manure when planting and apply a layer of mulch about 2 inches (5 cm) deep on the soil surface under the plant. Remember to leave the space immediately around the stem without mulch to prevent rot.

These plants are fairly drought resistant but should be watered regularly when young or until established after planting. It’s also a good idea to water your plants in particularly hot and dry conditions, especially if they are planted in very fast-draining soil.

These plants do best when grown in USDA hardiness zones 6 to 8 and UK zone 5. Grow Japanese skimmia bush in a moist shady area, with partial to full shade. Plants grown in full sun, or poor soil, will suffer yellowing, damaged leaves. (2) 

Care and Maintenance

One of the best things about Japanese skimmia is its ease of growth and low maintenance needs. These plants are mostly pest and disease-free. Fortunately, rabbits and deer tend to avoid this plant too.

With its naturally tidy form and slow growth rate, this plant does not require frequent pruning. Remove the odd dead or untidy branch but otherwise let this plant grow in its natural form, especially if you want it to produce berries. (3)

These plants usually do not respond well to hard pruning, and it is not recommended. If planted in good, nutrient-rich soil, these plants will not need additional feeding, but you may want to fertilize your plants in the spring if necessary. 

Uses

Use this versatile plant for shady areas where it can be used as a specimen plant, for borders, foundations, or plant in the shade underneath larger trees. These plants do great In pots and containers and should be re-potted every 2 to 3 years.


FAQs

Conclusion

Japanese skimmia plant is one of those rare shade-loving options that provide interest and attraction throughout the year with its beautiful foliage, flowers, and fruits. Its neat and tidy growth form and slow growth rate make this a great, low maintenance plant for anyone’s wish-list.

For more shrubs to grow, check our list of garden bushes types.

References

Reference List:

(1) Forrest, M. Landscape Trees & Shrubs: Selection, Use And Management.

(2) Brickel, C. Encyclopedia Of Plants And Flowers. American Horticultural Society.

(3) Brickel, C. & Joyce, D. Pruning & Training: What, When And How To Prune. 

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*image by GHarder/depositphotos

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