Garden flowers

Campanula of the walls: the queen of rockeries


The bellflower of the walls is perhaps the most represented of its botanical genus in our gardens.

Campanula of the walls in summary :

Latin name : Campanula muralis, Campanula portenschlagiana
Family : Campanulaceae
Type : Perennial

Harbor : Upholstery
Height : 10 cm
Planting density : 6 to 8 feet per m²
Exposure : Sunny to half-shaded
Ground : Any type, well drained

Flowering : May to July

There are many reasons for its success: it is resistant, likes it all floors, don't be too afraid of the drought and, not to spoil anything, its flowering in purple cushion is particularly aesthetic.

  • Our sheets on the bellflower

Planting the wall bellflower

For a better recovery, it is preferable to plant the campanula of the walls autumn. Planting in the spring is possible, but you will need to be more careful with watering.

Not very restrictive, this ground cover perennial does not require special preparations to be planted. She tolerates the half shade, but flourishes best at Sun. The bellflower of the walls also grows in all types of soil, as long as it is well drained.

The quantity of plants per square meter will depend on the speed of expected result. There is normally 40 cm of space between each foot, i.e. 6 to 8 buckets for 1 m². They will come together naturally to make a cushion. However, if you want the soil to be covered faster, there's nothing to stop you from reducing the planting distance and increasing the number of plants.

Interview

In addition to its simplicity of culture, the campanula of the walls requires only very low maintenance. Although not very sensitive to drought, thewatering must nevertheless be supervised in the event of prolonged heat.

No size is expected. However, if you find the unsightly withered flowers, you can simply gently tear off by hand, being careful not to uproot the foot.

Diseases and pests

Bellflower on walls can be susceptible to rust and powdery mildew. Side pests, it is slugs and snails that can be a problem. The frothy leafhopper (aphrophore) is also a parasite of the bellflower. Without being a real danger for the plant, it can however weaken it.

Multiplication of the bellflower of the walls

For multiply the campanula of the walls, the easiest and fastest way is still to to divide. To do this, in autumn, you have to snatch all or part of the foot of the perennial.

Then, fragment the root ball thus obtained in as many pieces as desired (not too small anyway). All that's left is to transplant your new plants where you want them.

Employment and association

The wall bellflower is, as its name suggests, the perfect plant to flower your low walls, paving and rockeries. However, nothing prevents it from being installed in the foreground in a massive.

It can be associated with the creeping varieties of stonecrop, iris, houseleek or even Phlox sp.


Credit: Eleni Mac Synodinos

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