Shelf Life: Best planted within 1 year for maximum germination
Planting Instructions:
Seed Preparation: Scarify seeds lightly with sandpaper or soak overnight in water.
Sowing: Start indoors in early spring or sow directly outdoors after the last frost.
Germination: Seeds typically germinate in 10-15 days when kept moist at around 70°F (21°C).
Transplanting: Transplant seedlings outdoors once they have developed 2-3 true leaves.
Care and Maintenance: Provide regular water and fertilize lightly during the growing season. Deadhead spent blooms to encourage continuous flowering. Protect from strong winds if planted in exposed areas.
These guidelines should help you successfully grow Antirrhinum braun-blanquetii from seed to maturity.