Antirrhinum Potomac Crimson Seed

Antirrhinum Potomac Crimson Seed is a tall snapdragon for bold cut-flower stems and high-impact garden colour. Its rich crimson flower spikes bring height, drama and excellent vase potential to South African spring and summer flower plantings.

View Our Detailed Grow Guide: Antirrhinum (Snapdragon) Grow Guide for South African Conditions

Plant Information

• Plant Type: Annual or short-lived perennial, usually grown as a seasonal cut flower.
• Scientific Name: Antirrhinum majus
• Common Name: Snapdragon

Growing Information

• General Sowing Time: Regional timing varies; use late summer to autumn or late winter to spring in most areas, avoiding extreme heat and protecting young plants from hard frost.
• Position: Full sun; light afternoon shade in very hot areas.
• Sow Depth: 0.5 cm, lightly covered.
• Spacing: Transplant around 20 cm apart.
• Germination: 14-28 days at around 15-20 C.
• Height: Around 1-1.5 m, with cut stems about 50-80 cm.
• Available Pack Sizes: 1000 pelleted seed, 20 pelleted seed

Why Grow Antirrhinum Potomac Crimson?

• Rich crimson colour creates strong focal points in rows, borders and cut-flower bunches.
• Tall plants are well suited to dedicated cut-flower rows and the back of sunny borders.
• Long stems make these Potomac snapdragons useful for home-grown vase arrangements.
• Warm-temperature tolerance helps the series perform through mild spring and summer conditions.
• Pelleted seed is easier to handle for accurate tray sowing.

Garden Uses

Grow Antirrhinum Potomac Crimson in cutting beds, sunny borders or structured flower rows where its tall rich crimson spikes can be enjoyed in the garden and harvested for arrangements. It works well as a vertical accent behind lower annuals and fillers.

Growing Notes

• Start seed in trays or plugs rather than direct sowing into the garden.
• Keep young seedlings evenly moist, but avoid waterlogged media.
• Transplant in the cool of the day once seedlings are strong and hardened off.
• Support tall stems in windy positions or exposed cut-flower rows.
• Deadhead or pick stems regularly to keep plants productive and tidy.

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