Tall architectural herb, self seeds readily so dead head if you don't want it to spread. Delicate anise flavour combines well with fish. Make a tea from the seed to aid digestion and prevent heartburn.
Type: Hardy Perennial
Height: 1.5-2m 
Spread: 50cm 
Soil type: Well drained soil 
Aspect: Sun
Flower colour: Yellow
Flowering time: Summer