You can get snapdragon seeds in every well-stocked garden center. If you have already grown the plant in your garden, you can harvest the seeds yourself after flowering. Let this dry for a while on kitchen paper and store it in small paper bags in a place protected from light until sowing.
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Sow directly in the field
From April you can sow the snapdragon directly in the field. The substrate should be rich in humus and well loosened so that the seeds germinate without problems. Since the snapdragon is a light germ, these must not be covered with earth, or at best only thinly covered. Spread a net over the seeds to protect them from hungry birds.
Prefer in the house
If you want to be sure that as many seeds as possible will sprout, it is advisable to prefer the snapdragon in the house. Since the snapdragon is a cold germ, seeds that you have collected yourself must first be stratified. Put the seeds mixed with some sand in the refrigerator for a few weeks. Then do the following:
- Fill the cultivation containers with special cultivation soil and press lightly.
- Spread seeds on the surface but do not cover with soil.
- Moisten carefully with a sprayer. Make sure that the seeds are not washed away.
- Place in a bright location with temperatures between 15 and 20 degrees.
- To create an artificial greenhouse climate, it is advisable to put a hood or a transparent plastic bag over the container.
- Keep evenly moist.
Under these conditions, the snapdragon often germinates after a week. If you don't lose patience, you won't see any green tips. Sometimes the snapdragon takes its time and takes about three weeks to germinate.
The plants can be transplanted outdoors from the beginning of May. In very rough areas, however, you should wait until after the ice saints, as late frosts could damage the young plants.
If the snapdragon feels comfortable in its location, it often makes up itself. It then even thrives between stones, in front of dry house walls and in unplanted areas in the flowerbed.