Every year in May, the lilac bushes open their large panicles of flowers and inspire the viewer with their splendor - which unfortunately only lasts for a very short time. With the right choice of variety, however, you can extend the flowering period over several months, even if the individual bush only shows its fireworks of color for a few days.

There are 30 different types of lilac - with different flowering times

When does which lilac variety bloom?

Noble lilac, arched lilac, Hungarian lilac, wild lilac or scented lilac - there are around 30 different types of lilac (and countless varieties), which, depending on the variety, show their blooms between April and July. With the right choice of variety and group planting, you can enjoy lilac blossoms in your garden over a period of several months.

  • Syringa vulgaris: probably the most planted species, its varieties bloom in May
  • Hyacinth lilacs (e.g. 'Schneeweißchen' and 'Rosenrot'): early flowering period between late April and early May
  • Fragrant lilac (e.g. the dwarf variety 'Tinklerbelle'): flowering period between May and early June
  • Pearl lilac (Syringa swegif.webplexa): late flowering variety, flowers between June and July

Basically, it can be said that most lilacs bloom between May and June, only a few varieties start a little later.

What is the reason if the lilac does not want to bloom?

If the lilac does not want to bloom, there are several reasons for this:

  • The shrub was pruned incorrectly or too much.
  • You have not fertilized the lilac or not sufficiently.
  • The plant is in a too dark location.
  • The lilac is in unsuitable soil.

Summer lilacs do not flower until July

Don't confuse lilac (Syringa), a group of plants in the olive family, with buddleja, a group of flowering plants in the figwort family. The genera are not related to each other, even if the flower spikes look very similar on the outside. In addition, the summer lilac blooms quite late in the season, you can admire its flowers between July and October.

tips

The compact dwarf lilac 'Superba' (Syringa microphylla) even blooms twice a year: After the main bloom between May and June, a secondary bloom appears quite reliably between the end of August and the beginning of October.

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Trees