Snapdragon Red – “Antirrhinum Potomac”

Antirrhinum ‘Potomac Red’ is a premium snapdragon variety bred for cut flower production, offering strong, upright stems topped with vivid, true-red blooms that command attention. Part of the renowned Potomac series, this variety is prized for its excellent vase life, reliable uniformity, and strong performance in warmer climates—perfect for commercial growers, florists, and home gardeners seeking bold colour.

How to Grow Antirrhinum ‘Potomac Red’ 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 fungal risk

Feeding:
Apply a balanced liquid fertilizer every 2–3 weeks during active growth
Boost with potassium-rich feed once budding begins

Staking:
Recommended for tall stems to prevent bending or snapping in wind

Where to Plant or Use:

• Cut Flower Beds: Bold, impactful stems for bouquets and floral design

• Formal Borders: Adds height and fiery colour to structured plantings

• Greenhouse Rows: Reliable, early-season performer under protection

• Mixed Flower Fields: Pairs beautifully with whites, yellows, and pinks for striking contrasts

Why You’ll Love It:

✔️ Vibrant Red Blooms: A dramatic, eye-catching colour for arrangements and events
✔️ Strong, Tall Stems: Perfect for cutting, with minimal staking
✔️ Trusted Potomac Series Genetics: Excellent uniformity and heat tolerance
✔️ Florist Favourite: Long vase life and premium stem quality
✔️ Performs Well in SA Conditions: Thrives in moderate to warm zones with proper care