Choose Options Compare Herb - Pennyroyal MSRP: Now: £0.29 Was: Spreading plant, clusters of lilac flowers. Height 25-30cm. Strong minty flavour used in flavourings. Sowing Time: March to September. Sowing Instructions: Surface sow at 1.5mm (1/16in) deep in pots or trays containing good seed compost. Do... MSRP: Now: £0.29 Was: Choose Options Compare