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Common Name: Weld
Reseda luteola is a Biennial up to 1.50 metres tall.
It has medicinal and miscellaneous uses.
Europe, including Britain, from Sweden south and east to N. Africa and W. Asia.
Disturbed ground, arable land, walls etc, especially on calcareous soils[
|Pollinators||Bees, Insects, Self
Easily grown in any well-drained neutral to slightly alkaline soil in a sunny position or in some shade if the summers are long and hot[
At one time this plant was commonly cultivated for the dye obtained from the leaves and seed but with the advent of chemical dyes it has fallen into disuse[
A good plant for bees and butterflies[
Plants dislike root disturbance, they can be transplanted but care must be taken not to break the tap root[
A deep yellow dye is obtained from the plant, it is of very good quality[
]. The plant is harvested as the last flowers fade[
]. Most of the dye is found in the seed[
]. All parts of the plant, except the root, contain the dye[
]. The dye is a flavone, which is a natural yellow of a phenyl benzo-pyrone structure. It is present in the plant as the glycoside or tannic esters[
An oil is obtained from the seed, used in lighting[
Seed - sow in situ in the spring and only just cover the seed. An autumn sowing usually succeeds in areas where winter temperatures do not fall below about -10Â°c[
]. The seed germinates in the autumn in the wild.