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Asked by
Anonymous on
October 16, 2011

Q. Periwinkle

I just moved into a house in Rhode Island that has periwinkle in the flower beds. I am not familiar with periwinkle and am wondering if it is safe to plant my tulips dahlias and other flowers in with it. Does periwinkle choke out other flowers?

Answered by
Nikki on
October 17, 2011
Certified Expert
A.

It will work well with all of those plants. Periwinkle is a great plant for working with others.

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Asked by
dandy on
April 5, 2012

Q. Remove Wild Onions, Grass and Other Debris From Periwinkle Plants

How to get wild onions, grass and other debris from periwinkle plants. They are difficult.

Answered by
Heather on
April 8, 2012
Certified Expert
A.

With the weeds other than wild onion, you can use a broad leaf and grass specific weed killer. But, wild onions are notoriously resistant to herbicides. The best method for getting rid of them is to dig up the clumps.

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Asked by
Gina on
August 4, 2012

Q. what do perwinkles look like?

What do periwinkles look like?

Answered by
Nikki on
August 4, 2012
Certified Expert
A.

If you are referring to perwinkle (Vinca), this article will help: https://www.gardeningknowhow.com/ornamental/groundcover/periwinkle/growing-periwinkle.htm

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Answered by
owen on
August 4, 2012
A.

There are many varieties of periwinkle. They are a beautiful rounded blue flower that resembles the daisy - some are full with double petals (which look like a double daisey) and others are five petal flowers. There are some good pictures on google. They are often used at weddings. Hope this helps.

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Asked by
chazdann on
April 19, 2015

Q. What does early Periwinkle look like?

I planted cuttings last fall in an area that had only weeds and grass before. Now I’m wanting to know what it looks like just popping out as opposed to weeds, etc.

Answered by
Downtoearthdigs on
April 19, 2015
Certified Expert
A.

You should be able to identify the bright waxy looking leaves. That is how I would describe it.

This link shows an image of seedlings.

http://keys.lucidcentral.org/keys/v3/eafrinet/weeds/key/weeds/Media/Html/Catharanthus_roseus_(Madagascar_Periwinkle).htm

https://www.gardeningknowhow.com/ornamental/groundcover/periwinkle/growing-periwinkle.htm

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Asked by
fdaurora on
April 29, 2015

Q. periwinkle weed control

How do I control the weeds around the periwinkle without harming the periwinkle itself? I have a lot of sun in some areas. When I plant new periwinkle plants, it doesn’t take-off and expand.

Answered by
shelley on
April 29, 2015
Certified Expert
A.

You have a few different options: you can hand pull the weeds out of the ground by the roots, lay mulch around the periwinkle to discourage weeds, paint the foliage of weed plants with a glyphosate herbicide or apply a pre-emergent herbicide to the periwinkle bed.

For more information on periwinkle and pre-emergent herbicides, please visit the following links:
https://www.gardeningknowhow.com/ornamental/groundcover/periwinkle/growing-periwinkle.htm
https://www.gardeningknowhow.com/plant-problems/weeds/pre-emergent-herbicides.htm

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Asked by
Shahin on
June 10, 2015

Q. New plant care

I bought this plant a couple days ago. I don’t know its name and caring guide line. I need your kind advice.

Thanking you.

Shahin.

Answered by
Downtoearthdigs on
June 10, 2015
Certified Expert
A.

It's a type of Periwinkle I believe.

Madagascar Periwinkle fits the leaf and flower pattern.

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