Lavandula × intermedia 'Grosso' is a classic lavandin grown for its strong fragrance, silver-gray foliage, and long, showy purple flower spikes that are excellent for cutting and drying. In the landscape, you can use it to edge a sunny border, line a path, or mass it for a bold mid-summer display and pollinator activity.

Give your plant full sun and sharply drained soil for best performance. Choose a site that dries quickly after rain, and avoid heavy, waterlogged areas. Once established, it tolerates dry spells, but it will look best with occasional deep watering during extended heat. Space plants so air can move through the mound (about 24-36 inches between plants) to help reduce humidity-related issues and keep foliage clean.

In USDA zones 5-8, winter survival improves with excellent drainage and a protected spot out of cold wind. Prune in spring after new growth begins, shaping lightly and avoiding cuts into old, leafless wood. Remove spent flower stems to keep the plant tidy and encourage a longer bloom window. This aromatic plant is commonly avoided by deer and rabbits, making it a dependable choice for sunny, low-maintenance plantings.

Specifications

• Cold hardiness zone: 5-8 (-20 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun
• Mature height: 24-36"
• Spread: 24-36"
• Tolerant of: Deer, Drought, Rabbits
• Attracts: Butterflies
• Edible: Yes
• Fragrant: Yes

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Shipping information that applies to all plants:
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Care