Antirrhinum ‘Potomac Yellow’ is a premium snapdragon variety bred for cut flower production, producing tall, sturdy stems topped with vibrant golden-yellow blooms that bring warmth and brightness to any bouquet or garden. Part of the renowned Potomac series, this variety is celebrated for its excellent vase life, uniform flowering, and outstanding performance in warmer climates—making it a favourite for commercial growers, florists, and home gardeners alike.
How to Grow Antirrhinum ‘Potomac Yellow’ Plugs:
Planting Time:
Late summer to early autumn, or early spring after frost has passed
Position:
Full sun (at least 6 hours daily) in a sheltered, open position
Soil:
Rich, well-draining soil with good moisture retention
pH: Slightly acidic to neutral (6.0–7.0)
Spacing:
20–30 cm apart in rows or garden beds
For cut flower production: space closer for straighter stems
Watering:
Keep soil consistently moist, especially during dry periods
Avoid overhead watering to reduce the risk of fungal disease
Feeding:
Apply a balanced liquid fertilizer every 2–3 weeks during active growth
Boost with a potassium-rich feed once budding begins
Staking:
Recommended for tall stems to prevent bending or snapping in windy conditions
Where to Plant or Use:
- Cut Flower Beds: Excellent for market bouquets and floristry
- Formal Borders: Adds cheerful colour and vertical interest
- Greenhouse Rows: Outstanding early-season performer
- Mixed Flower Fields: Pairs beautifully with whites, oranges, blues, and pastel shades
Why You’ll Love It:
✔️ Brilliant Golden-Yellow Blooms: Bright, cheerful flowers that stand out in bouquets and landscapes
✔️ Strong, Tall Stems: Ideal for cutting, producing florist-quality stems
✔️ Reliable Potomac Series Genetics: Excellent uniformity, vigour, and heat tolerance
✔️ Florist Favourite: Long-lasting blooms with exceptional vase life
✔️ Performs Well in South African Conditions: Thrives in moderate to warm climates with proper care

