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Lawn Alternatives – Creeping Thyme


Creeping Thyme ‘Coccineus’ growing in my French drain

Alternatives to Lawn

When is a lawn not a lawn? When it is a lawn alternative – something other than grass!

Lawns are everywhere, and for better or for worse they are a deeply ingrained part of our culture. Even though you can grow lawns more sustainably, some gardeners choose a more sustainable and low-maintenance option.

Typically, lawn alternatives are more suitable for low–traffic areas where the plants won’t get trampled on too heavily, or to fill the gaps between pavers, a role in which they excel. Lawn alterative plants do a great job filling in gaps where weeds grow, in they are quite effective at suppressing weed growth when they form a nice thick mat, reducing any weeding to almost zero.

Some examples used here in Australia include:

There is a lawn alternative plant suitable for each and every location, some prefer moist soils, others prefer shade, some cope with hot and dry conditions, so be sure to match the lawn alternative plant to your location and soil conditions.

In this article we’ll look specifically at Creeping Thyme as a lawn alternative.

My Experiment with Creeping Thyme

In a previous article, I tackled the problem of water runoff over concrete by constructing a French Drain that was cut into the concrete and filled with gravel

French drain construction showing water diversion

The the gravel-filled drain worked well and water diverted nicely back into the garden, that part was a success. What I didn’t foresee is weed seeds washing into the gravel and growing into strong, healthy weeds! As far as Nature was concerned, that drain was a viable environment to support plant growth, and Nature did what Nature does, she uses whatever species are available for the role, primarily the seeds of pioneer plants that are blowing around in the wind ready to colonise and stabilise and disturbed soil in even the harshest conditions.

The best way to control weeds is to plant something in their place, so Nature doesn’t have to fill the spot for you!

This French drain is a very harsh location for plants, concrete all round providing lots of reflected heat, the location gets sun from all directions, including the hot midday and afternoon sun. The gravel is 10cm deep, very fast draining and doesn’t hold much moisture. The ideal plant to fill this space would tolerate full sun, heat, and would prefer a very fast draining rocky soil.

Enter Creeping Thyme, the ideal plant for the location!

Two varieties of Creeping Thyme filling the French drain

For the sake of experimenting, I planted two varieties of Creeping Thyme, the taller growing regular Creeping Thyme (Thymus serpyllum) and Coccineus Thyme (Thymus praecox ‘Coccineus’). If I wanted it to look pretty, I would have planted one variety only, but the point was to compare the growth habits of the two.

Also, as an aside, the question comes up whether lawn thyme is edible. It actually has very little aroma or flavour, but it has been bred to flower well, so the answer is no, it’s ornamental, but it attracts lots of bees, it’s a great bee forage plant for your garden.

This is what the taller growing Creeping Thyme looks like, it can be trimmed or cut lower if desired.

Creeping Thyme (Thymus serpyllum)

By comparison, the Coccineus Thyme grows very low to the ground, and flowers more heavily, and never needs pruning.

Coccineus Thyme (Thymus praecox ‘Coccineus’)

Other Lawn Thyme Varieties

With lawn thyme you not only have a choice of height, but leaf and flower colour as well.

Here are some examples:

Planting Lawn Thyme

Lawn thyme is available in seed, which is more suitable for planting up very large areas, but there are less varieties available in seed. The seed planting time varies depending on your climate but in temperate climates seed is sown in spring either directly into the soil or in punnets and then transplanted.

Small seedling plants can be bought as ‘tube stock’ and planted in spring or autumn. Evenly space plants across the planting area and they will eventually spread and fill it out. Many more varieties of lawn thyme are available in small tube pots, and the advantage is that you can see exact;y what the plant will look like, even the flowers in summer when choosing the plant you like.

Maintaining Lawn Thyme

Lawn thyme, just like culinary time, is a low-maintenance affair. With the taller growing varieties you can clip or mow them when they get a bit too high, but don’t prune or mow too low or they might not grow back! When using a mower, set it to the higher settings to maintain adequate height.

Water during times of extreme heat to keep your thyme lawn looking lush, and a bit of spot weeding here and there will keep it looking tidy.

Being a herb, lawn thyme has low fertilizer requirements, add a slow release fertilizer, preferably a natural one, in spring.

If you need to propagate lawn thyme to fill in any bare spots or dead patches you can divide established plants in early spring and replant them.

UPDATE – here’s a photo of what the creeping thyme planting looks like three years later, totally free of weeds! Nothing much manages to grow there because it’s all planted in gravel and the plant carpets quite densely. On the rare occasion that anything manages to grow there, it stands out quite starkly and is easily spotted and removed. Any weeds growing there lift out easily with no digging whatsoever.

So, if you like your lawn to be more than just grass, low maintenance, very drought tolerant, flowering, and able to support beneficial pollinator insects such as bees, then give Lawn Thyme a go, even if it’s just a small patch, it’s a great plant!

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