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Companion Planting

Companion Planting is an age old practice of Planting Plants within close proximity which will Benefit other Plants, either by giving off a scent or chemical that will repel harmful insects.

They may also be grown to entice Beneficial Insects that will help rid your plants of Nature's Nasties. Another way these plants may help is by returning goodness back to the soil. Many of these plants may also be used to make Teas to spray your plants with, or the leaves used in the Compost as an activated.

Members: 25
Latest Activity: Apr 13

Discussion Forum

Companion Planting with Coriander (Coriandrum sativum)

Started by Dianne Caswell Apr 13. 0 Replies

Companion Planting with Coriander (Coriandrum sativum) – What is Coriander a Companion Plant of?…Continue


Started by Dianne Caswell. Last reply by Dianne Caswell Mar 17, 2020. 4 Replies

Companion Planting Chart for Growing VegetablesI put this Discussion up 2 years ago but…Continue

Tags: Improvement, Decoy, Plants, Soil, Insects

Companion Planting Chart for Growing Vegetables

Started by Dianne Caswell. Last reply by Alex Gilroy Sep 9, 2017. 4 Replies

Companion Planting Chart for Growing VegetablesCompanion Planting is the practice of Planting…Continue

Sages/Salvias - Culinary, Companion & Bee/Bird/Butterfly Attracting

Started by Dianne Caswell. Last reply by Lissa May 22, 2017. 28 Replies

Here you can list your Sages/Salvias so as we may, swap cuttings/plants with other members who would like to further their collections.…Continue


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Comment by Dianne Caswell on January 28, 2015 at 17:22

Not so funny, Catnip or Catmint love to be planted with Tomatoes, Cabbages, Caullies & Kale, though all plants will actually benefit from the insect repelling properties of Catmint.

Isn't it funny how we find these things out not really meaning too.

Comment by Dianne Caswell on January 28, 2015 at 15:26

Plants 'Talk' To Each Other May 2013

The word in the garden is that basil is good to have around. Plants are known to communicate with each other via shade, aromatic chemicals, and physical touch, promoting processes such as growth and defense against disease, as well as attraction of bees and other pollinators. ...[Researchers] planted common chili pepper seeds near a basil plant, with barriers that prevented the basil from deploying its usual growth-promoting tricks. Despite the separation, chili seeds germinated faster when basil was a neighbor ...[suggesting] a new type of communication between plants, possibly involving nanoscale sound waves, traveling through the dirt to bring encouraging "words" to the growing seeds"

Comment by Lissa on January 23, 2015 at 17:11

We have cover to sit and chat. Bring your brollies for roaming around the garden :)

Comment by CHERYL SLAPP on January 23, 2015 at 13:03

Fantastic, look forward to seeing you there

Comment by Dianne Caswell on January 23, 2015 at 12:43

I am coming along on my first GV to Lissa's tomorrow, come hail, rain or storm so it will be lovely to meet you and other BLF members.

Happy Gardening

Comment by CHERYL SLAPP on January 23, 2015 at 12:09

I have so much to learn, have never been able to understand what should be planted with what - great to read your comments Dianne and really am looking forward to visiting your garden.

Comment by Dianne Caswell on January 23, 2015 at 9:29

Isn't this rain wonderful. Today I planted Mexican Tarragon as a Beneficial Plant for the Insects and to use as a herb (not to be confused with French Tarragon.

I also planted Rokkyo Onions amongst my Roses. They are a small Chinese Clumping Onion tolerable of most growing conditions. 

It is time to plant French Marigolds.

Enjoy the rain and Summer Gardening.

Comment by Dianne Caswell on November 28, 2014 at 10:53

With the onset of the Silly Season around the corner, you may still have time to plant up some pots of Tansy, Basil or Cologne Mint (this works better if you brush up against or crush the leaves to release the oils) to help deter those pesky flies. 

Plant up a pot of Pennyroyal to ward off Mosquitoes (rub your hands over to release the oils whilst enjoying your guests company).

Comment by Dianne Caswell on November 28, 2014 at 9:31

You were lucky, Pyrethrum can be planted anywhere around plants you suspect may get Thrips, Red Spider Mite, it is a helpful Companion to all plants as it is a Natural Insecticide.

Make sure you keep the flower (as the insecticide within is quite potent when dried out) as they finish and dry out as they can crushed and mixed with talc to use as a dust to help keep Silverfish and Cockroaches at bay.

Comment by Lissa on November 28, 2014 at 5:10

Bought a couple of Pyrethrum plants from the nursery at work yesterday ($1 each, too cheap to pass up) and wondered which are the best plants to partner them with Dianne. Any suggestions?


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Vetiver grass helps to stabilise soil and protects it against erosion.  It can protect against pests and weeds. Vetiver is also used as animal feed. (Wiki.)

GrowVetiver is a plant nursery run by Dave & Keir Riley that harvests and grows Vetiver grass for local community applications and use. It is based in Beachmere, just north of Brisbane, Australia.

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