lavender plant cold hardiness Lavender 'Cynthia Johnson'

lavender plant cold hardiness Lavender 'Cynthia Johnson'Cynthia Johnson is an English lavender selected for gardeners who experience real winters and still want reliable, long term performance. It grows upright and vigorous, producing dense spikes of deep purple flowers held on sturdy stems that resist flopping and hold color well. This variety stands out for its cold hardiness. Where many English lavenders struggle, Cynthia Johnson continues to perform, making it a dependable choice for northern and high

Cynthia Johnson is an English lavender selected for gardeners who experience real winters and still want reliable, long-term performance. It grows upright and vigorous, producing dense spikes of deep purple flowers held on sturdy stems that resist flopping and hold color well.

This variety stands out for its cold hardiness. Where many English lavenders struggle, Cynthia Johnson continues to perform, making it a dependable choice for northern and high-elevation gardens. The fragrance is rich and pronounced—often stronger than expected for an English type.

In the garden, it provides clean structure and strong seasonal color. The straight stems and well-formed flower heads also make it an excellent choice for cutting, with blooms that retain their shape and color in both fresh and dried arrangements.

WHY GARDENERS LOVE IT

• Exceptionally cold-hardy English lavender 
• Strong, upright growth habit
• Deep purple flowers with dark calyces
• Bold, classic lavender fragrance
• Reliable bloom year after year
• Excellent for cutting and drying

GROWING NOTES

• Plant type: Evergreen shrub
• Growth habit: Upright, vigorous
• Sun: Full sun
• Soil: Well-drained soil
• Water: Moderate during establishment, low once established
• Hardiness: Very cold hardy; well suited to northern climates

Full sun and excellent drainage are key to long-term success.

SIZE & DETAILS

• Height × Width: ~2–3 ft.
• Stem length: ~10–12 inches
• Flower color (corolla): Violet
• Calyx color: Dark purple
• Fragrance: Strong, classic English lavender

PLANTING TIPS

• Plant in full sun
• Choose soil with excellent drainage
• Avoid low or soggy areas
• Space plants to allow good airflow

BEST USES

• Garden beds and borders
• Fresh bouquets
• Dried arrangements
• Crafts and sachets
• Cold-climate lavender plantings

As an English lavender, Cynthia Johnson may be used for culinary purposes in moderation.