What is the valerian preparation (507)?

The valerian preparation (507) is the last and the only liquid one of the six compost preparations. It is a fermented extract of the flowers of common valerian (Valeriana officinalis) and, in biodynamic understanding, is associated with warmth processes and with phosphorus.

Making the preparation

Unlike the other compost preparations, valerian needs neither an animal casing nor burial. The freshly opened flower heads are gathered in the morning and pressed; the juice obtained is poured into bottles or glass flasks and left to undergo lactic acid fermentation in a cool, dark place, sealed from the air (airlock). After a few weeks the vessels are tightly closed. The finished juice is reddish brown in colour and has a strong, fruity, slightly sour smell — not putrid. The preparation matures in storage and keeps for several years.

Application and effect

Diluted and stirred, the valerian preparation is sprayed over the compost heap. In biodynamic understanding, it gives the heap a "protective sheath of warmth" and promotes soil life. Unlike the solid preparations, which are placed in holes, the liquid valerian is poured over the heap — and it can also be used like a spray preparation, for example as frost protection during fruit blossom.

Frequently asked questions about the valerian preparation

Why is valerian (507) liquid?

Valerian is the only compost preparation obtained from pressed, fermented flower juice — without an animal casing and without burial.

How is the valerian preparation applied?

Diluted and sprayed or poured over the compost; it can also be used like a spray preparation.