Weld

Reseda luteola Hardy biennial for Yellow dye;

An attractive tall spike plant good for prairie type planting, or for the back of the herbaceous border, even if you don't want to use it for its dye value.

Seed available now,
plug plants available NOW.- £10.50 for a strip of 4 plug plants. 
Part to use for dyeing;leaves, flowers and stems when in full flower, but before flowers start to fall. Also dried flowers and stems can be used.

Mordant; alum