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How to Grow Valerian (Valeriana officinalis)

Updated on July 4, 2012
Valerian | Source

Valerian is grown as a medicinal herb, but it also produces sweetly-scented flowers which can be used as decorative cut-flowers for the home.

Unfortunately its leaves and roots emit a foul odour, making it not everyone's choice of garden flower to grow.

Also known as garden heliotrope, Valerian are big plants, with striking, architectural leaves that can certainly make them stand out in any flower border.

They can be grown from seed, although germination rates are uneven and poor.

Once you have a healthy plant growing, Valeriana officinalis reproduces itself through seed and through its underground root system.

Daughter plants appear around the parent plant with unfailing regularity, and should be dug up and re-planted elsewhere as soon as they are spotted.

Cats are as fond of Valerian as they are of catmint, so if you are trying to deter cats from your garden, you may wish to give this plant a miss.

Valeriana officinalis flower
Valeriana officinalis flower | Source

How to Grow Valerian

Valerian grows best in USDA zones 5 - 9, or equivalent.

They require a weed-free environment, because they are slow growing and are easily out-competed by fast-growing weeds.

They hate acid soil, so if your garden has a pH of less than 7, you may wish to consider growing Valerian in neutral-compost filled pots.

Nitrogen-hungry always, your garden heliotrope will need regular feeding, in order for it to give its best.

Seed germination is slow and erratic, but you can help by making sure the compost in which they lie is always moist, as Valerian loves water.

If you live in an area of high rainfall, and can provide good garden drainage, Valerian plants will love growing in your garden.

If growing-on plants, look out for daughter plants appearing next to the parent, and dig up and transplant in either spring or autumn.

Valeriana officinalis are big plants that grow to 5' high, and need space to grow and reach their maximum potential.

They can become invasive where they find ideal growing conditions. To stop them from self-seeding, cut off all flowers before they can set seed.

I love highly scented plants, and Valeriana officinalis is among one of the most powerful with the sweet scent of cloves or, as has sometimes been described, cherry pie.

Valeriana officinalis
Valeriana officinalis | Source

Valerian Medicinal Uses

Valerian is one of those plants which have been used since time immemorial as a sedative agent. In fact, modern day medicine is built around plants such as Valerian.

Its roots are used for their sedative, calming effects.

Said to induce sleep, it is effective on dogs as well as humans, simply by adding a little chopped up root to their meals.

If your beloved pet is hyperactive with an underlying anxiety problem, a teaspoon of Valerian root added to its food could have a profound effect on your dog.

As the root smells and tastes vile, it can be mixed with a little peanut butter to make it more palatable.

Valerian has been used effectively for the following:

  • headaches
  • migraines
  • convulsions
  • anxiety
  • sleeplessness

I would caution that if you are planning on using home-grown Valerian root for self-administration, that you read up all you can about dosage and the safe amount to take.

When you buy Valerian preparations in the shops, there is normally very little of the active ingredients present, otherwise it would not be available to buy over the counter.

Valerian leaves and root
Valerian leaves and root | Source

How to Dry and Store Valerian Root

Place a clothes-peg over your nose, and dig up a Valerian plant. Tease the roots apart, wash well, and place in a warm, dry place (out of reach of cats who will scratch it to pieces) until it is completely dried out.

Chop into small enough pieces to fit into a glass jar with a tight-fitting lid that you can store in a dark place - a kitchen cupboard is ideal.

When required, take out a piece and finely chop it up any way you can, and give about a teaspoon to your dog, mixed in its food.

If it is for yourself, to aid sleep perhaps, mix it with something pleasant, like jam, to disguise the taste.

Normally, Valerian is available in health food stores as a tincture which is much easier to take.


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    • GardenExpert999 profile image

      GardenExpert999 5 years ago from Scotland

      If you like scented flowers, you can enjoy the scent while the cats enjoy the leaves and roots. Fair all round, don't you think?

    • Gulf Coast Sun profile image

      Gulf Coast Sun 5 years ago from Gulf of Mexico

      Love the look of the plant, especially in zone 9. Will grow extra for the feral cats in the neighborhood. Thank you for this informative article. Kathleen

    • GardenExpert999 profile image

      GardenExpert999 5 years ago from Scotland

      Ahh.. not a plant for folks with cat problems, but I love highly scented plants so could forgive it this. Strange plant where the flowers are beautifully scented, but the leaves and roots are horrible.

    • Jackie Lynnley profile image

      Jackie Lynnley 5 years ago from The Beautiful South

      Very interesting. I have some OTC but have never taken it yet. Would love to grow it but glad to know about the cat thing since I have problems with that already. Thanks for all the info. ^

    • GardenExpert999 profile image

      GardenExpert999 5 years ago from Scotland

      I bet it does! Cats LOVE Valerian, even if it does smell like sweaty socks that have been steeped in rotted cheese!

    • Pavlo Badovskyy profile image

      Pavlo Badovskyi 5 years ago from Kyiv, Ukraine

      May be it is not picturesque enough but my cat likes to eat a piece of root if I dry it and cut into small particles.