Pelargonium x hortorum Border Supreme F2. Hybrid Seeds Ref: TM01401830 SowingSow in trays, pots, etc of good seed compost in a propagator or warm place to maintain an optimum temperature of 70-75F (20-25C). Sowing Depth: 1/16in (1.5mm). Sowing Time: Mid January to Mid March. Germination can take from 3-21 days. Provide a steady soil temperature both day and night for best results.GrowingTransplant seedlings when large enough to handle. Harden off and plant out when all risk of frost has passed 30cm (12in) apart in full sun. Prefers a rich, light, well drained soil. Ideal for hanging baskets.Aftercare FloweringEarly Summer OnwardscroppingPlant typeHalf-hardy Annual Price: £1.99 Quantity: