Start with a seedling
Wasabi is a perennial shrub whose fleshy roots are ready for harvest after two to three years. Cultivating this plant only makes sense if it is planned for a long time. You can start with small ones Seedlingsthat you can get for just a few euros in stationary garden shops or in online shops.
also read
- Harvest wasabi - this is how you get the sharp roots
- Wasabi seedlings - grow or buy?
- Hibernating wasabi - these conditions are OK in winter
The somewhat difficult sowing
Theoretically, wasabi can also be grown from seeds, but there are several problems waiting for the hobby gardener: The seeds are difficult to obtain in this country, they do not germinate reliably, and it takes even more time until Harvest. If you still want to try it, you should consider the following points:
- sow in spring
- Keep the soil moist throughout
- first isolate after germination
- plant out later
A suitable location in the home garden is rare
In its native Japan, wasabi grows on the rocky banks of mountain streams. Such a damp environment is not easy to find in the home garden. A place close to the pond would be an alternative, but it would have to be in the shade. If there is no damp place, you have to pour diligently. A nutrient-rich soil and constant temperatures are two other growth factors.
Safe cultivation in pots
Since the frost tolerance of the Wasabi is not sufficient for harsh winters, it is often advisable to plant them in pots. The pot should have a drainage hole and a drainage layer so that no water can accumulate. He must also be at least 30 cm deep because the wasabi forms a long root. The substrate used may be loamy. Also make sure you find a shady and cool place for the pot.
The optimal supply of water and nutrients
The soil in which wasabi extends its coveted roots must always be kept moist. But the water must not stand! So it is recommended that the earth dry a little before it is poured again. You shouldn't be stingy with the amount of water so that the moisture gets through to the bottom layer. There should always be a saucer filled with water under a potted plant. According to needs, the wasabi is poured more modestly in winter.
It is perfectly sufficient if you use wasabi once in the spring Flower fertilizer(€ 71.80 at Amazon *) is supplied. This is what otherwise gets sluggish A boost to plant growth.
Tips
During the growth period, make sure that the wasabi is surrounded by a temperature between 15 and 20 ° C.
Hibernate wasabi safely
You should use pot copies at temperatures just above 0 ° C overwinter. For example, in an unheated winter garden or greenhouse, where there is also some daylight.
When planted out, the wasabi will survive temperatures down to around - 8 ° C, but must be protected with a thick layer of bark mulch or leaves:
Harvest maturity
Even if the green leaves of the wasabi are quite handsome, its rhizome is the piece of desire. After about 2-3 years it is strong enough to do that To harvest can begin.
