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Description
planting grosso lavender Grosso French Lavender – Plant DetectivesGrosso French Lavender (Lavandula x intermedia 'Grosso') Grosso French Lavender, Lavandula x intermedia 'Grosso', is a vigorous French hybrid lavender valued for its long, arching flower stems, deep violet purple blooms, and intensely fragrant gray green foliage. Plants form a broad, mounded shrub that looks handsome even out of bloom, then send up tall flower wands in summer that sway in the breeze and fill the air with classic lavender perfume. With
Grosso French Lavender (Lavandula x intermedia 'Grosso')
Grosso French Lavender, Lavandula x intermedia 'Grosso', is a vigorous French hybrid lavender valued for its long, arching flower stems, deep violet purple blooms, and intensely fragrant gray green foliage. Plants form a broad, mounded shrub that looks handsome even out of bloom, then send up tall flower wands in summer that sway in the breeze and fill the air with classic lavender perfume. With its strong presence, heavy flower production, and reliable performance in hot, sunny sites, Grosso French Lavender makes an excellent focal point, low hedge, or cutting garden workhorse in herb, cottage, and Mediterranean style plantings.
Distinctive Features
Grosso French Lavender typically grows about 24 to 30 inches tall and 24 to 36 inches wide, with a rounded, shrub like habit and a framework of woody stems at the base. Long, sturdy flower stalks rise well above the foliage and carry dense spikes of violet purple florets, giving a big, showy display when plants are in full bloom. Narrow, gray green leaves add fine texture and a silvery cast that blends easily with stone, gravel, and a wide range of flowering companions. Known for its strong fragrance and long stems, Grosso is a favorite for cut and dried flowers, sachets, and craft work as well as for bold garden color.
Growing Conditions
- Light: Prefers full sun with at least 6 hours of direct light daily for best flowering, strong fragrance, and a compact, sturdy habit.
- Soil: Thrives in well drained, lean to average soils; avoid heavy, wet ground and favor sandy or gravelly conditions that keep roots on the dry side.
- Water: Water regularly after planting to establish; once rooted in, water deeply but infrequently, allowing the top of the soil to dry between waterings.
- Hardiness: Well suited to many temperate regions where French hybrid lavenders are grown outdoors, especially when provided with sharp drainage in winter.
- Size: Generally forms a mound about 24 to 30 inches tall and 24 to 36 inches wide at maturity, depending on climate and care.
- Growth Rate: Moderate grower that fills in steadily and develops a substantial presence without quickly outgrowing beds or large containers.
Ideal Uses
- Bold Focal Point: Use as a single specimen or small group in sunny borders and herb gardens where its tall flower wands and strong scent create a natural focal point.
- Edging and Low Hedges: Plant in a row along paths, drives, or terrace edges to form a low, fragrant hedge of gray green foliage and purple bloom.
- Containers and Patio Pots: Well suited to large pots and tubs where the mounded form and tall flower spikes add height, scent, and movement.
- Herb and Cutting Gardens: Ideal in areas dedicated to herbs and cut flowers where you can harvest stems for fresh or dried use.
- Cottage and Mediterranean Gardens: Mix with roses, salvias, ornamental grasses, and other sun lovers for relaxed cottage combinations or set into gravel for a dry, Mediterranean look.
Low Maintenance Care
- Watering: After establishment, water when the top inch of soil is dry; avoid constant moisture or soggy conditions that can lead to root and crown problems.
- Pruning: Shear lightly after the main flush of bloom to remove spent spikes and shape the mound; avoid cutting back into old, bare wood below the leafy growth.
- Fertilizing: Requires only light feeding; in spring, apply a small amount of balanced, slow release fertilizer if soil is very lean, since excessive nutrients can cause soft, floppy growth.
- Mulching: Use a thin layer of gravel or coarse mulch around the base to improve drainage and keep foliage off wet soil, avoiding heavy organic mulches against the stems.
- Seasonal Care: In colder climates, provide excellent drainage and a sunny, sheltered spot; in late winter or early spring, tidy lightly to remove any winter damage and keep the plant compact and productive.
Why Choose Grosso French Lavender?
- Exceptionally Fragrant: Strongly scented flowers and foliage make it a top choice for sachets, drying, and scented garden paths.
- Long Flower Stems: Tall, sturdy spikes are ideal for cutting and drying and give impressive height and movement in the garden.
- Classic Color and Form: Deep violet purple blooms over gray green foliage deliver the traditional lavender look in a larger, more dramatic package.
- Sun and Heat Tolerant: Performs reliably in hot, bright exposures when planted in well drained soil or raised beds.
- Versatile Design Use: Works as a focal shrub, low hedge, or mass planting in herb, cottage, and Mediterranean style gardens wherever you want big impact, strong fragrance, and a dependable lavender presence.
With its vigorous, mounded habit, long violet purple flower spikes, and intense fragrance, Grosso French Lavender is an excellent choice for adding bold color, scent, and a strong focal point to sunny borders, hedges, cutting gardens, and large containers.
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4.2 ★★★★★
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★★★★★ 5
Best Quality
Size: 100 Count (Pack of 1)
Best on the Market! And Customer Service and Shipping A +++
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Reviewed in the United States on January 29, 2026
★★★★★ 5
Work fantastic
Size: 100 Count (Pack of 1)
I have a terrible immune system and work in a hospital. I use to stay sick constantly until I started taking these and now I rarely get sick!
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Reviewed in the United States on March 28, 2026
★★★★★ 5
A Boost to My Health
Size: 100 Count (Pack of 1)
I’ve been using this elderberry supplement for a few weeks now, and I’m already seeing amazing results! It’s a natural powerhouse that’s helped boost my immune system and keep me feeling strong and energized. The capsules are easy to take and have no aftertaste, which is always a bonus.
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Reviewed in the United States on March 24, 2025
★★★★★ 5
Re: potentially toxic substances
Flavor Name: Unflavored, Size: 8 Ounce (Pack of 1)
For those worried about the presence of potentially harmful substances such as Mercury, Lead, Aluminum, Fluoride, and Arsenic please do your research before panicking. This product is natural and all substances in it are naturally occurring. To find a product without the certain substances most likely means you are getting a more processed and synthetic product. Please read below an email I received from Dr. Darrin Starkey re: why those substances are in ConcenTrace mineral drops.
"Trace Minerals Research regularly tests for the presence of heavy metals, using Environmental Protection Agency (EPA) testing methods in addition to other standard testing methods. Test results consistently show that the amounts of these elements are well below safety tolerance levels established for food and drug manufacturing. In fact, recent test results released by an independent laboratory, using U.S. EPA approved testing methodologies, affirm that Trace Minerals Research’s mineral products do not contain levels that even approach the EPA’s reference dose for these elements. The recent findings should assure you, as well as our consumers everywhere, that Trace Minerals Research’s products are safe and do not pose any threat of heavy metal toxicity. The product is GRAS affirmed. If you are not familiar with GRAS affirmation, I would recommend educating yourself on it.
Our trace minerals are harvested (not manufactured) from the Great Salt Lake, and if you look at the landscape of the Great Salt Lake, you realize very quickly that it is surrounded by mountains. These mountains have various streams and rivers, that naturally runoff into the Great Salt Lake, and with no outlets, the lake becomes a sort of catch basin. As the snowpack melts in the spring, and this runoff makes it's way down the mountains, it picks up minerals from the rocks and soil that then accumulate in the Great Salt Lake.
Information that was put together by the Utah Geological Society on the Great Salt Lake actually clarifies how the lake is able to self clean without any outlets. It is important, and interesting, to note this information because while the lake has been concentrating inorganic salts in its waters for thousands of years, the total soluble concentrations of heavy metals are actually low. The information the Utah Geological Society put together states that the heavy metals, including clays, are enabled within the sediments and brines due to anaerobic conditions that then immobilize the metals.
At Trace Minerals Research, we take great pride in the quality and purity of our products. Our mineral brines are harvested from our private ponds on the Northwest side of the lake. Once the trace minerals are harvested, each lot of mineral brines undergoes extensive testing by both "in-house" and independent laboratories (as I have already mentioned), to test for impurities and to ensure potency, purity, and balance. Careful handling is a part of our harvesting process which is similar to that of an agricultural operation, and, just as in organic farming, great care is taken to avoid contamination by chemicals.
You specifically mentioned a concern about Lead, Mercury, Fluoride, Arsenic, and Aluminum. Again, this is question/concern many people have, and so it is important to understand how trace minerals work to understand why we have trace amounts of these elements in the product. First off, toxicity often occurs when a single element is introduced out of balance with other trace minerals. Man-made by-products are, all too often, the culprits of this because they are found in much higher doses than nature would have them. For instance, mercury contamination of our oceans has created a situation where the fish we consume from the very oceans we have contaminated contain much higher mercury levels than nature would normally have them contain. Most forms of life are not very good at expelling mercury so they tend to accumulate and concentrate mercury that they consume. If plankton consumes sea water over its life, it will tend to accumulate any mercury from the sea water and, thus, the mercury in the plankton will typically be higher than levels that are found in the sea water. When a fish eats the plankton over its life, it tends to accumulate mercury from the plankton and, thus, the fish will typically have higher levels of mercury than the plankton. As this paradigm continues upwards through the food chain, mercury levels tend to increase. The balance of trace minerals has been disrupted, and and as a result, there is now concern over human consumption of fish and the risk of mercury contamination.
The amount of Mercury found in 40 drops (1/2 teaspoon) of ConcenTrace is 0.008 parts per million (ppm). To put this into perspective, in a baked potato or a lean grilled chicken breast you get 0.4 ppms, and in a strawberry, you get 0.6 ppms of Mercury.
Arsenic is another perfect example of a man-made byproduct that has been linked to toxicity and as a result, most information about arsenic is focused around this concern. But, did you know that some of the richest sources of arsenic in our diets are found in our seeded berries such as strawberries. Most people wouldn't think twice about popping a strawberry in their mouth, and shouldn't, but that is also the amount of arsenic we are talking about in the ConcenTrace.
Fluoride does occur naturally, however, the concern over fluoride comes not from the naturally occurring fluoride, but from synthesized versions that are made by man and then added to our drinking water and to toothpaste. On average, we usually consume anywhere from 1.3-1.8 milligrams of fluoride a day from our foods. Fluoride naturally occurs in potatoes, beef, apples, chicken, milk, eggs, and oatmeal to name just a few.
The same applies to both Lead and Aluminum as well that are found in our product. Both are naturally occurring trace minerals found in their naturally occurring ionic state, and as such, are in similar amounts to that which is found naturally existing in many of the foods we consume.
Understanding how trace minerals work, helps to put into perspective the concerns over toxicity. Again, toxicity occurs when a single element is introduced out of balance with other trace minerals, and, as I said, man-made by-products are, all too often, the reason why we associate certain elements with toxicity.
Trace minerals work synergistically with one another to ensure that proper absorption, activation, regulation, and pH balance occurs within the body. An example of this synergistic relationship is that of the one between molybdenum and iron. All the iron in the world will do you no good without molybdenum. Molybdenum performs a very important, but basic, function by mobilizing iron from its storage location in the liver so that it can help blood carry oxygen to cells and tissues. This important, but often overlooked mineral, is vital in sustaining our lives, and only recently was its purpose discovered.
Another role of trace minerals is to police each other. When taken in proper balance, trace minerals control one another to ensure that no one element gets out of control and creates a toxic situation within the body. Trace Minerals Research does not manufacture their trace minerals. They are harvested in their naturally occurring state, and as such, also occur in their naturally balanced state. Again, in this state, they help to regulate one another, and create a balanced state within the body.
Best of health,
Dr. Darrin Starkey
Manager of Education and Training
Trace Minerals Research "
Hope this helped!
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Reviewed in the United States on March 30, 2017
★★★★★ 5
Great Mineral supplement, easily incorporated into food/drinks. No notable taste!
Flavor Name: Unflavored, Size: 2 Fl Oz (Pack of 1)
I would give 20 Stars if I could, too. It takes a few to 6 weeks to begin to experience the benefits, but when you do: Increasd energy, stamina, fingernails are stronger, and more. The liquid blends easily with any drink you have, it's pretty much flavorless and seems easily digestible.
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Reviewed in the United States on May 17, 2026