"Carpets in the shade"

There are some tough and undemanding groundcovers that grow well in the shade.
Sunday, 04 December 2011     

Lamium maculatum White Nancy

During the hot days of summer, I find myself drawn to the shaded parts of my garden, as I find it very unpleasant doing gardening in the sun. Such occasions give me a chance to appreciate plants that grow well in shade, because it is not the ideal spot, often with very dry conditions due to root competition from trees; and the lack of sunlight is also a challenge for plant survival.

I have written a previous blog on groundcovers that thrive in sunny spots; this time I want to pay homage to those groundcovers that carpet my garden in shaded areas. Luckily, there are a lot of contenders for such positions. One of my favourite group of plants is the rhizomatous Begonia. They are very tough and undemanding, covering inhospitable areas without complaint. Being a sort of succulent plant, they cope well with dry positions. There is such a range of leaf patterns in these plants that it is possible to make a beautiful tapestry rug in a shaded area using different forms. Colours range from lime green to silver and dark maroon. Many have delightful patterns on the leaves. As a bonus, they all have pretty flowers in spring. What more could we ask of a plant?

Plectranthus are also excellent plants for dry, shaded areas and there are some attractive groundcover specimens. One of my favourites is Plectranthus 'Nicoletta', which has lovely silver velvet leaves. It is very tough and can grow in hot sun as well as dry shade. Plectranthus 'Nico' has dark green foliage with purple undersides and grows well to form a wide mat in shade. Plectranthus verticillatus - sometimes called Swedish ivy - will grow anywhere, and is a good solution to hopeless shaded spots. I recently was given a white-variegated form of this plant, which seems less vigorous than the green one, but forms a nice contrast to other groundcovers and brings light into gloomy areas. I am not sure of its cultivar name. Another variegated Plectranthus is Plectranthus oertendahlii (often sold as 'Emerald Lace'), which has rounded leaves with silvery shading and marking. All these Plectranthus plants have dainty spires of flowers in autumn, and can be grown effectively in hanging baskets.

Another tough groundcover for shade is the Tradescantia clan. Though related to the scary weed wandering jew, those I grow are far prettier and less invasive. My favourite is Tradescantia sillamontana, which has lovely furry leaves and doesn't spread too far. Purple-leaved Tradescantia pallida 'Purpurea' is an excellent plant for foliage effects, as is Tradescantia 'Zebrina', with its silver and green-striped leaves with purple undersides - though it has to be reined in every so often. Like the Plectranthus groundcovers, these can be grown in hanging baskets.

Though most of the species Geranium do best in sunny places, at least two of them will cope well with shaded spots: Geranium phaeum and Geranium macrorrhizum. Both species have attractive rounded foliage (often speckled in the case of G. phaeum) and delightful cottagey flowers in spring.

Campanula poscharskyana, with its starry blue, white or pale pink flowers in spring, and ruffled, heart-shaped leaves, forms a dense, low mat in shaded areas, as does creeping Charlie (Pilea nummulariifolia), which has appealing textured leaves. Lysimachia nummularia 'Aurea' is a low-growing plant with glowing lime-gold foliage, which is best in shade. Lamium cultivars, including Lamium maculatum 'Beacon Silver' and 'White Nancy', with stunning silvery foliage are yet another good choice for such spots. These four groundcovers prefer a little more moisture than the others mentioned above.

One of the most pleasant tasks in the garden is to divide up these groundcovers every so often and replant the pieces in other areas, with an eye to colour, form and texture, to create new associations with such tried-and-true plants.

With Christmas fast approaching, I am taking a short break from blogging! Season's greeting to all those who have visited the site during the year; I will be back in the New Year with more garden musings.

 Reader Comments

1/8  Peta - 6253 (Zone:10 - Mediteranean) Monday, 05 December 2011

Plectranthus cultivars are some of my favourites, but I do have to be careful of frost, here in the inland South West of WA. Have a happy Christmas and a great New Year. Cheers!

Thanks, Peta. Yes the Plectranthus specimens are quite frost sensitive. Growing them under trees can help a bit. Have a great Christmas and all the best for 2012. Deirdre

2/8  Margaret - 3777 (Zone:10 - Mediteranean) Monday, 05 December 2011

I"ve just discovered the lamiums and am delighted with the way they have settled in here. I have mauve and pink, still looking for the white. How do you propagate them? thanks again for your blog - always most informative and enjoyable.

Thanks. Margaret. The Lamiums can be divided up by just pulling up pieces with roots on them and replanting. Keep moist for the first few weeks. Deirdre

3/8  Jill - 3941 (Zone:10 - Mediteranean) Monday, 05 December 2011

Thank you for all the inspiration during the year, and I look forward to 2012. Jill

Thanks, Jill. All the best for Christmas and 2012. Deirdre

4/8  Lyn - 4570 (Zone:11B - Tropical) Monday, 05 December 2011

Thank you for sharing the time and care you spend on your garden blogs;I have thoughly enjoyed them all year. Have a safe, happy Christmas and a healthy,successful New Year. I look forward to more blogs in 2012.

Thanks, Lyn. All the best for Christmas and New Year. Deirdre

5/8  Robin - 2121 (Zone:10 - Warm Temperate) Monday, 05 December 2011

A timely article, Deirdre. I bought some groundcovers for shade at an Open Garden last weekend. You have given me further ideas. We will miss your blogs but you certainly deserve a break. Hope you have a relaxing Christmas and can enjoy pottering in your garden when weather permits. Thank you! Robin

Thanks, Robin. Good luck with your new groundcovers. Deirdre

6/8  Janice - 2069 (Zone:10 - Warm Temperate) Monday, 05 December 2011

Deirdre, thankyou for your timely reminders, isn"t this cold break lovely for gardening? Janice 2069

Thanks, Jan. The cool weather is amazing at the moment. Coldest start to summer for 40 years, or something like that! Deirdre

7/8  Jill - 2777 (Zone:9 - Cool Temperate) Monday, 05 December 2011

Thanks so much for all your great comments this year - a great read and always so informative. Look forward to more of the same next year and, in the meantime, wish you and your family a very happy Christmas.

Thanks very much. Jill. All the best for Christmas and New Year. Deirdre

8/8  Anne - 2518 (Zone:10 - Warm Temperate) Friday, 09 December 2011

Thanks for your blogs - hope you enjoy your break - looking forward to your submissions in 2012. All the best for the Christmas season and the New Year.

Thanks, Anne. Have a great Christmas and New Year. Deirdre

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