Garden flowers

Spanish lilac: superb perennial

Spanish lilac: superb perennial

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Spanish lilac, also called red valerian, is a herbaceous perennial that flowers during summer.

In summary, what you need to know:

Last name : Centranthus ruber
Family : Caprifoliaceae, valerianaceae
Type : Perennial

: 60 to 100 cm
Exposure : Sunny
Ground : Ordinary, even poor

Flowering: May to September

Its bushy habit and its pretty flowering make it a very ornamental plant.

Spanish lilac plantation

Spanish lilac seedlings:

The Spanish lilac is sown at the end of winter under cover and in spring in the ground, after any risk of frost.

The Spanish lilac has need sun to develop and to flourish.

If you sow at the end of winter, under cover,

  • Sow in a terrine.
  • Keep the soil slightly moist.
  • Thin as soon as the first leaves appear.
  • Transplant in the ground from mid-May every 30 to 40 cm

If you sow directly in the ground,

  • Loosen the soil to make the earth lighter.
  • Broadcast sowing.
  • Thin out after the first leaves appear to keep only the most vigorous plants every 30 to 40 cm.
  • Water regularly in fine rain.

Spanish lilac plantation:

It is recommended to plant Spanish lilac in the spring or in autumn respecting a distance of 30 cm between each plant.

If you plant Spanish lilac in springwe will have to think about water a little more in the beginning.

  • No need to add soil because the needs of Spanish lilac are limited.

Multiplication of Spanish lilac:

Spanish lilac is a plant that multiplies naturally by seed, but you can also divide the tuft.

  • Multiplication by division of the tuft in autumn

Caring for Spanish lilac

If there is indeed an extremely easy plant which does not require almost no maintenance, it is the Spanish lilac.

You can optionally cut off the wilted flowers as you go, but this is only of aesthetic interest.

  • Cut back as short as possible in the fall, after the flowers have wilted.
  • No need to water except for the potted Spanish lilac, which is more drought-prone.

Diseases affect the Spanish lilac:

Easier to maintain it does not exist and even more, the Spanish lilac does not fear almost any disease or parasite.

Good to know about Spanish lilac

Spanish lilac or Centranthus ruber owes its name to the botanist De Candolle who compared its flowers to a red spur (kentron means spur in Greek, anthos means flower and ruber means red).

Native to the Mediterranean basin, the Spanish lilac has a incredible ability to grow in all soils, even the driest.

Finally, Spanish lilac has sedative medicinal properties similar to those of officinal valerian.

Smart tip

Ideal for borders and rockery, Spanish lilac will also perfectly adorn the most difficult places to grow.

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