The robinia belongs to the neophytes. This is how exotic plants are called that come from other climate zones. Typical of these species is their pronounced reproduction. Actually, you don't have to help with the reproduction of the deciduous tree at all. The black locust reproduces naturally using its seeds, which can germinate for a surprisingly long time. But the whims of nature do not always correspond to your expectations. In order to prevent random spread and to multiply the robinia in a specific location, you should heed the following tips.

Propagation via seeds is a little more tedious but promising

Ways to propagate a black locust

  • Propagation by seeds
  • Propagation by runners and cuttings

Propagation by seeds

Propagation by seed is wonderful when you want to save on costs. The fruits are quickly collected due to their unmistakable appearance. Removing the seeds also requires little effort. This is how you multiply a robinia from collecting the seeds to sowing:

  1. in October the seeds ripen in the elongated pods. Pick some pods from your tree
  2. break out the seed pods and take out some seeds
  3. store the seeds in a cool, dry place
  4. in spring you can start sowing
  5. score the shells of the seeds with sandpaper or a file
  6. then pour hot water over them
  7. then place the seeds in lukewarm water and let them soak for about a day
  8. now fill a clay pot with soil and press the seeds in about 5 mm deep
  9. place the pot in a sunny spot
  10. after a week the first germs appear
  11. if frost is no longer to be expected, you can plant your seedlings outdoors

Propagation by cuttings

A second variant is propagation by cuttings. This procedure is also relatively uncomplicated, since the robinia forms many offshoots.

  1. separate root cuttings (about 5-10 cm long) in spring or autumn
  2. the root should have a diameter of at least 0.5 cm
  3. place the cuttings in growing soil
  4. water the cuttings well
  5. place them in a warm place
  6. as soon as the cuttings grow, increase the watering
  7. the same applies here: only put them outdoors after the last frost

Category:

Trees