Re: Convolvulus arvensis and cardboard / newspaper

The only weeds I have had come up through landscape cloth are a couple of grasses with very pointed growing tips. I am sure morning glory won't make it through.

However, the plants you put on top will send their roots through. I found out about this from the owners of Grandridge Nursery in Issaquah Washington. They discovered it accidentally. They had set a lot of nursery pots on top of landscape cloth and found that the fine feeder roots will go down through the fabric, so that they were able to get water. The water didn't come up through the fabric, so it was moist underneath. Great for summer-dry places if you're growing plants that shouldn't dry out. They suggested planting right on top of the landscape cloth - don't cut holes - during the fall so that the plants establish themselves over the winter. I have done this and it worked fine until I decided to transplant some plants, and then I had to cut the cloth to dig out the plants I wanted to move. That worked ok, but wasn't as easy as just digging.

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Diane Whitehead Victoria, British Columbia, Canada
maritime zone 8
cool mediterranean climate (dry summer, rainy winter - 68 cm annually)
sandy soil

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