Skimmia Plants

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  1. Skimmia 'Rubella'
  2. skimmia berries
  3. Taking a cutting from a skimmia japonica
  4. Skimmias being attacked by bugs
  5. Skimmia Japonica problem
Asked by Anonymous on January 24, 2014
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?

ANSWERS
Nikki
Certified GKH Gardening Expert

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
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.

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert

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
Taking a Cutting From a Skimmia Japonica

How do I take a cutting from my Skimmia japonica?

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert

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
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.

ANSWERS
Alisma
Certified GKH Gardening Expert

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
Skimmia Japonica Problem

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

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert

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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