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Lavender Grosso

Lavandula intermedia Grosso

Lavender Grosso is a classic French Lavender. It is renowned for its highly fragrant, oversized dark blue flower spikes. Grosso is a large lavender and blooms profusly providing an ample harvest of flowers. Honeybeeslove this plant. French lavenders flower later than their english cousins. Mix french lavenders with english types such as Lavender Phenomenal to have months of fragrant lavender blooms.

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Lavender Grosso for Sale Online

The Lavender Grosso is the most fragrant Lavender available on the market today. It also produces the darkest flowers of any Lavender Plant. Lavender Grosso is considered Lavandin which is a french hybrid lavender that is commonly grown in France and used in scenting perfumes and making sachets.


Hardiness Zone: 5-9
Mature Height: 2.5 to 3 Feet
Mature Width: 3 to 3.5 Feet
Sunlight: Full Sun
Water Requirements: Water well until established
Selling Points: Fragrant foliage, long bloom period
Growzone: 5-9 Lavender Grosso Hardiness Zone

How to Care for Lavender Grosso

Before you buy a Lavender Grosso, make sure to read about the recommended care instructions to keep this plant healthy and thriving.

How to plant Lavender Grosso

How to plant Lavender Grosso

Since this plant grows best in zones 5 through 9, it can grow well just about anywhere in the United States - even in places you didn’t think it could! It is cold hardy, drought-resistant, and tolerant of extreme temperatures and humidity. When you’re ready to plant the lavender, make sure to choose an area in your garden that receives full sunlight and has well-draining soil. If the soil retains too much moisture and doesn’t drain well, it could cause root rot which can kill the plant.

Fertilizing Lavender Grosso

Fertilizing Lavender Grosso

Fertilizer or other organic matter, like compost, can help provide added and necessary nutrients to your plant. The best time to fertilize your plant is at the start of the growing season in spring. Fertilizer should help promote additional growth, and doing so at the start of the growing season can help the new growth establish itself before the season ends. We recommend fertilizing annually at the start of the season and using a slow release fertilizer, like Bio-Tone Plus Starter Plus. It’s a long standing favorite among gardeners, ourselves included, due to the high contents of ectomycorrhizal and endomycorrhizal - a beneficial fungus that helps to retain moisture and absorb nutrients through the root system.

Watering Lavender Grosso

Watering Lavender Grosso

A fresh plant is most vulnerable during the transplantation phase (when it’s just been planted in a new area). It hasn’t had a chance to take to the new environment and establish itself, therefore, it is going to require more maintenance for the first few weeks. Thorough watering is recommended at least once a week, if not multiple times, to help the roots settle and grow. If you’re not sure whether you’re sufficiently watering the plant, check it yourself by sticking a gardening trowel into the ground and feeling the soil by hand. The soil should be moist about 1-inch below the surface.

Mulching Lavender Grosso

Mulching Lavender Grosso

Mulching is an excellent and rather easy way to help provide essential nutrients to your plants, protect it from extreme temperatures, retain moisture, and also keep weed growth at bay. In drier climates, adding a layer of pine needles or nutrient-rich bark and leaves. If you live in an area that experiences more humidity, a layer of gravel can help to avoid excessive moisture from accumulating and promote drainage.


Frequently Asked questions

How Do You Prune Lavender Grosso?

Is the Grosso Lavender Safe for Dogs and Cats?

Can You Eat Lavender Grosso?

Is a Lavender Grosso Evergreen?


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