Broadleaf Sage Seeds (Salvia officinalis). Lavender-blue flowers in May. Gray-green leaves may be used fresh in season or dried for winter use. Favorite seasoning for sausage, poultry, omelets, bread and cheese. Also known for its antiseptic and anti-fungal powers. Start seed inside in a good potting mix and transplant outside when large enough to handle. Sage prefers a sunny location with alkaline soil.