general | March 28, 2026

How do you get blue from woad?

The woad vat now needs to be aerated to precipitate the pigment. To aerate the vat, whisk with an electric whisk or a manual one. Some people pour the liquid from one saucepan to another. I usually whisk for 10 minutes with an electric whisk until the froth turns blue and then green again.

Where can I find woad?

Woad is native to the steppe and desert zones of the Caucasus, Central Asia to Eastern Siberia and Western Asia (per Hegi) but is now also found in South-Eastern and Central Europe and western North America.

Where can I find woad in the UK?

Woad is infrequently found in scattered locations through the British Isles, but is found on cliffs in Surrey and East Gloucestershire since at least 1800AD. The fruit is purple-brown when ripe and between 1cm to 2.5cm long.

Can you grow woad in the US?

A biennial or short-lived perennial, woad grows in U.S. Department of Agriculture plant hardiness zones 4 through 8 and grows 3 to 4 feet tall. In many areas of the U.S. woad is an invasive weed, so take care not to allow it to spread.

How did the Celts make blue dye?

The Celts used berries and plants to dye the wool different colours. Not only did the Celts like brightly coloured clothes – the Romans tell us that some of them painted patterns all over their bodies with blue woad made of a special plant. Woad is also the name of a blue dye produced from the leaves of the plant.

Is woad the same as indigo?

Woad was, and still is, the native European source of indigo blue dye. This is confusing as the blue colouring matter in woad is the same as the blue colouring matter in “indigo”, but the dye is much less concentrated in woad leaves, which is why “indigo” eventually largely replaced woad in Europe.

Does woad grow in UK?

Woad (Isatis tinctoria) is a naturalised hardy biennial member of the Brassicaceae or cabbage family and was probably introduced into the UK from Europe. Here in the UK although it has naturalized and self seeds readily it is not invasive and only tends to grow in disturbed ground.

Where does woad grow best?

Remember that these plants won’t be very attractive their first year. They also grow well in cottage gardens where there are many other blooms to pick up their slack. Woad grows best in full sun to part shade, in alkaline to neutral soils.

Is woad edible?

Because of these old herbalists it was accepted for centuries in the western world that woad should not be taken internally. However times have changed and we now know that woad leaves are edible if they have been soaked for a very long time in water to remove some of their astringency and bitterness.

What plant produces a blue dye?

Woad plant
Producing blue dye from the Woad plant (Isatis tinctoria) is a trade that dates back to the neolithic period, 5 to 10,000 years ago.

Is woad native to Britain?

Woad was used in England throughout the medieval period, much of it imported from Europe. Woad has been growing wild on the Mythe, near Tewkesbury in Gloucestershire and in Surrey for at least 200 years.

How long does woad take to grow?

Easy to grow, Woad germinates in 1 to 2 weeks. Thin or transplant seedlings 30cm (12in) apart when they are large enough to handle. Cultivation: Woad plants like an alkaline soil, so apply lime to the soil about a week before transplanting.

What is woad good for?

Medicinal woad plants have long been used in traditional Chinese medicine because of their antibiotic and antiviral properties. There is some evidence that woad is also medicinally active against fungal infections, cancer cells, and parasites and reduces inflammation.

Did Vikings drink alot?

It was consumed in large quantities, because water could be dangerous to drink in the Viking period. Therefore both weak and strong beer was produced. The Vikings drank strong beer at festive occasions, together with the popular drink of mead. Mead was a sweet, fermented drink made from honey, water and spices.

What drug did berserkers take?

One of the more hotly contested hypotheses is that the berserkers ingested a hallucinogenic mushroom (Amanita muscaria), commonly known as fly agaric, just before battle to induce their trancelike state.