Top Questions About Skimmia Plants

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Questions About Skimmia Plants

Asked by
Anonymous on
January 24, 2014

Q. Skimmia ‘Rubella’

The leave on my Skimmia ‘Rubella’ are turning yellow. I understand that the soil needs to be more acidic. I have purchased extract of seaweed with sequestered iron, but it says on the instruction to use during the growing season.

1. When is this?
2. Will the plant suffer if it is not treated?

Answered by
Nikki on
January 24, 2014
Certified Expert
A.

It's an evergreen, so actively grows year round, though any treatment or fertilizing is best performed in spring or summer. I would recommend pinpointing other possible reasons for the yellowing before treating, however, as it could be due to other factors. This article will help: https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm

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Asked by
jrwharton on
October 17, 2015

Q. skimmia berries

I have 2 mature Skimmia with no berries. I just bought another one and this one is Olympic Flame and it has red berries on it. I’m assuming that since it has red berries it would be a male plant. I want to put it near the 2 I already have in the hope that I will get red berries on them. What do you think?

The 2 Skimmia are planted in the shade and provide lots of blooms and a lovely fragrance in the Spring. I would like some red berries on the existing Skimmias that I have and that is why I bought a new one with red berries on it.

Answered by
Downtoearthdigs on
October 20, 2015
Certified Expert
A.

Actually the female Skimmia produce the berries, you will need a male plant to pollinate the female plants.

Here is a link with more information.

https://www.gardeningknowhow.com/ornamental/shrubs/skimmia/growing-japanese-skimmia.htm

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Asked by
Mackem on
May 11, 2016

Q. Taking a cutting from a skimmia japonica

How do I take a cutting from my Skimmia japonica?

Answered by
Downtoearthdigs on
May 12, 2016
Certified Expert
A.

Propagation is preferred with seeds for this plant, though you can take semi-ripe cuttings in late summer.

You will need to heat the cuttings with bottom heat to promote rooting.

Here is a link with more information.

http://hortupdate.unl.edu/Cuttings1

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Asked by
Floogy on
October 6, 2016

Q. Skimmias being attacked by bugs

This year when my plants were in peak condition, the leaves started being stuck together with eggs inside. They hatched and burrowed through the leaves eating all the green and leaving the cellulose behind. They are small 5mm pale green caterpillars. The leaves then fall off and the flower heads withered. I used Ultimate Bug killer hoping the systemic action would work. It didn’t. I cut back all the branches to the first leaf and re-sprayed. Problem is still there and the new leaves are dropping off after being attacked.

Answered by
Alisma on
October 6, 2016
Certified Expert
A.

This sounds like an infestation of leafminer caterpillars.

http://extension.colostate.edu/topic-areas/insects/leafmining-insects-5-548/

I am not sure what leafminer species would attack Skimmia, but this shrub is in the same family as citrus trees, so perhaps the citrus leafminer would:
http://ipm.ucanr.edu/PMG/r107303211.html

You could also check with a local extension agent to find out what leafminer caterpillars are common in your area.

It can be difficult to control these with insecticides. The best control method is probably to search the plant for caterpillars and affected leaves frequently, and kill them or remove the affected leaves from the area.

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Asked by
marajj8 on
April 24, 2017

Q. Skimmia Japonica problem

Can Skimmia get a leaf virus? If so how do you treat it?

Answered by
Downtoearthdigs on
April 30, 2017
Certified Expert
A.

Yellowing leaves in this shrub is most likely caused by too much sunlight.

They like to be in a more dappled sunlight area.

Other issues can be nutrients, alkaline soil and pests.

You can feed the plant a general all purposed fertilizer in the spring.
Check soil ph if you suspect the soil issue.

Inspect for insects and treat with Neem Oil if any our found.

It can take a long time to recover, even after the issue is resolved.

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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