SKU: 8236808751
lavender grosso plant

lavender grosso plant Grosso French Lavender – Plant Detectives

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Description

lavender grosso plant 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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SKU: 8236808751

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ThomasD
San Leandro, US
★★★★★ 5
Great cabin filter for 2019 Acura RDX
Size: 8.3" x 9.3" x 1.3"
When I have my car serviced at the Acura dealership, they routinely recommend that the cabin filter be replaced. As we all know, a dealership is going to charge an arm and a leg for a basic service. Therefore, I have been replacing the cabin air filter myself for the past few years. I like BOSCH products and when I found this filter on Amazon, I knew that was the one to purchase for my 2019 Acura RDX. The filter fits perfectly in its location in the glove box. It literally takes less than five minutes to swap out the old filter for the new. I will continue to use this product while I have the RDX.
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Reviewed in the United States on November 30, 2025
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Frank L.
Massapequa, US
★★★★★ 5
Perfect fit, easy installation.
Size: 8.3" x 9.3" x 1.3"
This part fits perfectly. Directional flow is printed on the part however you need to confirm which way air flows in the actual air box. The easiest test is to run the a/c with the filter out, wet a finger, and stick in in the air box to see which side the air blows cold. Then just install this part in the air flow direction as printed on the part. I have not noticed a difference in air quality yet, however I imagine being a HEPA filter, this will do wonders keeping pollen out of the car. Installed this in a 2011 Honda CR-Z. Easy installation. Part looks high quality which is fitting for Bosch.
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Reviewed in the United States on May 26, 2026
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N. Fasso
Birmingham, US
★★★★★ 4
Great filter, but doesn't fit 2013 Honda Fit without modification
Size: 8.3" x 9.3" x 1.3"
Right off the bat: I don't have any airflow problems with this filter. It works great, the air is noticeably cleaner, and airflow has not been meaningfully reduced. However, it doesn't fit my air filter holder very well. The ' air filter holder' (a plastic tray that slides horizontally into the air flow system) has two plastic fringes on either side of the tray, which each have two small notches in them, a few inches apart from one another. This appears to act as a sort of 'key' by which you can gauge you are putting the filter in with the correct alignment. On an OEM filter, the slots line up with two strips of material that stretch across the length of the filter, which themselves rest within the slots. However, the slots don't line up with the strips on this filter. I had to cut the fringes so that the slots in them are wider, so the strips would fit in them. Without doing this, the filter wouldn't press down into the tray. Having done that, and the filter now rests flush in the tray, there are still marginal gaps around the perimeter of the filter. It's a millimeter or two too small for the tray, so there is some airflow around the filter. This could be rectified by wrapping insulation tape or something around the edge of the filter, or could be ignored if you're not super picky. I haven't added any wrapping to get an airtight seal, and even with that gap I still noticed that the air is way better. So ultimately, it didn't fit exactly, but it fits 90% of the way and, with some finagling, is a superior filter by any other measure.
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Reviewed in the United States on December 3, 2018
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Locutus
Omaha, US
★★★★★ 5
Don't overlook this important bit of maintenance
Size: 8.3" x 9.3" x 1.3"
Cabin air filters get dirty and gross quicker than you realize. I recommend changing them twice a year. Bosch is a quality brand, very happy with it.
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Reviewed in the United States on March 8, 2026
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clutz
Fort Morgan, US
★★★★★ 1
Better than Honda Cabin Filter for Allergies -
Size: 8.3" x 9.3" x 1.3"
Installation took all of 3 minutes. Noticeable improvement in air quality (less allergy response) since installation. Others mentioned a reduction in air flow but have not noticed a change. ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Update (9/2020) Noticeable reduction in air flow. I have needed to increase the fan speed to make the cabin comfortable. I may be switching brands soon. I will pull the filter at 6 weeks and see if it is getting plugged (yikes). //////////// Update (10/2020) I pulled the Bosch filter expecting it to be plugged due to the lack of air flow. I was surprised to see it was clean. There were are few small pieces of stuff in the folds of the filter but only about 10 of them. I held the filter up to the light and then tapped it on white paper to see what would fall out. There was nothing present to explain the extreme loss of air flow. I have used Bosch cabin filters in my other vehicles (not HEPA) with great success. I was hoping to help the allergies of my family but having to run the fan on high to receive any airflow was more annoying than helpful. The noise was irritating and the air flow was still less than the Honda filter I removed. I purchased a new Honda cabin filter and our van is back to normal. I did not realize how much I missed the auto temperature setting. I was setting the temperature about 5 degrees below "normal" to try and keep the temperature consistent, and it was not during the hotter summer months. Unfortunately I am beyond the 30 day Amazon return window so I am not able to return the cabin air filter. :-( This is my first Amazon review that moved from 5 to 1.....
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Reviewed in the United States on August 18, 2020

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