Propagating castor - How it works by sowing

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You have a castor plant at home and would like to reproduce it? No problem. But watch out! The seeds contain ricin.

Castor bean

Castor beans can easily be multiplied by seeds, because in autumn the spurge produces red spiny fruits. If these are dried, the seeds can be removed. The seeds have the shape and texture of a soured tick and are also referred to as "castor beans".

The propagation by seeds is easy to do even for less experienced hobby gardeners. Hardly any other plant brings such rapid gardening happiness after propagation. During a gardening season, the plants can grow several meters high and provide tropical feeling in the home garden. In addition, the plants are also suitable as a perfect privacy, can be imposing in bed or stand alone or obscure ugly walls.

The dark side of the castor beans

Castor oil is common as a remedy and harmless. The seeds themselves contain one of the most toxic substances found in nature. Ricin is 25,000 times more toxic than stychnine and already five seeds of the miracle tree can kill an infant. If an adult ingests 20 pieces of castor oil, he is unlikely to survive. Therefore, be sure to pay attention, because ricin can also be inhaled or get into the body via skin injuries. One seed contains about one to five percent of the poison. The proportion depends on the following factors:

  • Size of the seed
  • Weight of semen
  • Origin of the seed
  • Ripening degree of the seed

In order to release the poison, the seed must be chewed. The shells of Castor beans, however, contain virtually no toxins. This should give the all-clear. With a careful and protected from children and pets storage, the seeds should therefore not become a source of danger. They can be successfully used for the propagation of the Wunderbaum due to their fast germination properties.

When is the right time for sowing?

You can start sowing the plants in May. The floor should be completely frost-free. To be on the safe side, wait for the ice saints. From mid-May, the sowing of the tropical plant should then no longer stand in the way. However, it seems more favorable to pre-germ the seeds in the house and later to plant the seedlings.

The preparation of the seeds

The seeds are harvested in the fall. Until next spring the seeds should be kept dry, cool and above all safe from access by children and pets. Before sowing, you must soak the seeds in warm water for one day. This promotes germination. Germination can also be favored by roughening the seeds with a file before swelling.

Attention: Always wear gloves when working because the inside of the semen is highly toxic!

Growing the seeds in the room

  1. Prepare seeds in February as just described.
  2. Fill plant pots with potting soil.
  3. Insert one seed kernel per plant pot.
  4. Cover about one centimeter with substrate.
  5. Always keep seeds moist.

The plant pots should get as bright as possible. Ideal are temperatures between 20 and 25 degrees. Provide the plant pot with a hood made of plastic or glass, it promotes germination. With germination of castor beans you can expect within 14 days after sowing. Keep the seedlings warm and moist, they will grow rapidly. From mid-May, the plant pots are allowed to go outside. Castor flourishes in the field as in a bucket.

The right location for the young plants

The young plants like from the beginning in a warm and sunny location. If you have pre-germinated the plants at room temperature, the outdoor location should be correspondingly bright and sunny. The plants also tolerate the full sun. But consider the rapid growth, because within a few weeks, the tender plantlet will have developed into a stately plant. The space requirement is correspondingly high. This also applies to potted plants. Although the plants thrive in the semi-shade, but then grow less quickly and the leaves coloring loses its appeal.

Select the appropriate substrate

If the young plants start to germinate in the pot on the window sill, you can already start with the preparation of the soil at the later location. First loosen the soil and remove all stones and weeds. Then you should enrich the soil with compost or manure, because the starvation needs a lot of nutrients. Now you can plant the castor plant in the soil.

What should be considered with the young plants?

In order to develop meter-high plants, you should pay special attention to the young plants. The castor in general is a pretty robust plant. However, this only partially applies to the still young plants. This overview shows the dangers for the young miracle trees:

Worm infestation:

Young castor plants are especially haunted by snails. The plants should therefore be checked regularly. You can use the screws for example. Absorb during the day. Since these are nocturnal animals, you should protect the young plants at night with a cover. Clay pots are particularly well suited for this purpose.

root rot:

If the young plants are exposed to waterlogging, the roots can rot and the plant die off. Therefore, pour regularly, but not excessively. Drainage in the floor can also prevent too wet standing. For this are potsherds or grit.

Frost sensitivity:

The tropical plants are only partially hardy. Young plants do not tolerate frost. Therefore, you should exercise patience and bring the plants only after the Eisheiligen, ie in mid-May, the outdoors. Who wants to overwinter his miracle tree, should bring him in time to winter quarters. Outdoor plants need winter protection from brushwood or foliage.

Video Board: How to Grow Plants & Flowers : How to Grow Castor Bean Plant (Ricinus Communis).

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