What do they actually look like?
Not everyone has ever seen the rather inconspicuous and - admittedly - not very spectacular-looking seeds of the asters. So that you will recognize them when you walk past the faded flowers in the garden and maybe looking for seeds for them sowing are in spring, you should know their external characteristics.
also read
- Asters flowering time: Each species in its time
- Asters: are these ornamental perennials poisonous?
- Use these methods to propagate asters!
This is what the seeds of the asters look like:
- narrow
- elongated
- ocher to light brown
- wider at one end than at the other,
- relatively smooth
- Longitudinal grooves are partially visible
- different sized
- standing upright together in the middle on the former inflorescence
- provided with former tubular flowers on top
Seed maturity: Different from species and species
In the aster world there are those species that bloom as early as May. Others bloom in midsummer and still others only in autumn. Because of the different Heyday there is a different time of seed ripening. The seeds of the spring asters ripen as early as July. The seeds of the autumn asters are not ripe until late autumn.
What should be done about germination? Sowing the seeds know?
The seeds can be brought forward between March and April. the No-till in the field you should not start before May. The seeds germinate at temperatures around 10 ° C. But the higher the temperatures, the faster they germinate. Their average germination time is between 7 and 14 days.
Harvest or buy seeds
You can harvest the seeds without any problems. But be careful: some seeds like those of the Alpineaster need a cold stimulus to germinate. If you do decide to buy the seeds, you usually do not need to expose them to cold. That has usually already been done.
Tips
If you harvested the seeds in summer or fall, it is best to keep them in the refrigerator until next spring. This is how they keep their ability to germinate.