Hyssopus officinalis seeds Tricolour Mixed Ref: TM01400747 SowingSow April to May at 15-20C (59-68F) on the surface of a good free draining, damp seed compost. Do not cover the seed. Place in a propagator or seal container inside a polythene bag until after germination which usually takes 14-21 days. Do not exclude light, as this helps germination.GrowingTransplant seedlings when large enough to handle into trays or 7.5cm (3 inch) pots. Grow on in cooler conditions for 10-15 days before planting out after all risk of frost, 45cm (18 inches) apart.Aftercare Will grow in any well drained soil in full sun. Harvest leaves as and when required.Floweringcropping100 DaysPlant typeHardy Perennial Herb Price: £1.49 Quantity: