Snapdragon 'Potomac Lavender'

Potomac Lavender (Antirrhinum majus)

Graceful and serene, Potomac Lavender Snapdragon rises tall and proud with spires of delicate, soft lavender blooms that glow gently above deep green foliage. Each flower opens with a subtle, airy flare, creating a column of calm colour that adds soothing charm to garden beds and floral arrangements alike. Its refined structure and cool pastel hue bring a whisper of vintage elegance to summer landscapes.

A Group 4 snapdragon, Potomac Lavender thrives in long-day, warm summer conditions, producing strong, upright stems perfect for cutting and layering into bouquets. This variety pairs beautifully with creamy whites, dusty mauves, and soft greens—offering timeless grace and quiet sophistication to any planting or design.

DETAILS:

QTY: 50

TYPE: Annual

SITE: Full Sun/ Part Shade

DEPTH: Surface Sow

GERMINATION: 10 - 21 days at 21-24°C

HEIGHT: 32 - 48"

MATURITY: 110 - 120 Days

SPACING: 6 - 8"

PINCH: Yes

HOW TO GROW:

Indoors (recommended): For best results, freeze seeds for 48 hours prior to sowing to improve germination. Sow seeds into flats or other seedling containers 8–10 weeks before your average last frost date. Light is required for germination, so surface-sow the seeds and cover just enough to hold them in place. A very fine layer of vermiculite can be used to maintain moisture levels while still allowing light to penetrate. To avoid displacing the tiny seeds, bottom water or mist the containers lightly. Once seedlings are established, harden them off for 7-10 days before transplanting them outdoors after all danger of frost has passed.

Direct Seeding (not recommended): Snapdragons require a long, cool growing season to produce blooms. Direct seeding is generally not recommended as it often results in later, less prolific flowering.

Soil Preference and Watering: Snapdragons thrive in full sun and prefer rich, well-drained soil. Keep the soil consistently moist, especially during germination and while young plants are establishing. Once mature, water regularly but avoid waterlogging the soil.

Pinching: To encourage a bushier plant with more flowers, pinch the tops of young plants when they are 4–6 inches tall. This will promote branching. If pinching, space the plants 6–8 inches apart to allow for proper air circulation and growth.

Fertilizing: Snapdragons are heavy feeders. Regular applications of a balanced liquid fertilizer will promote continuous blooming. Alternatively, amend the soil with compost before planting.