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Grosso Lavender

Category:

Striking bluish-purple blooms covering slightly taller stems sets this cultivar apart; lovely gray green foliage is beautifully fragrant; excellent for borders, containers, and massing in the garden; used for sachets and perfumes

Characteristics

Species:
x intermedia
Other Species Names:
English Lavender, Lavandin
Average Landscape Height:
24 inches
Average Landscape Width:
24 inches
Genus:
Lavandula
Cultivar:
Grosso
Branching:
multi-stemmed
Evergreen:
1
Plant Form:
mounded
Canopy:
closed
Density:
dense
Growth Rate:
slow
Pruning:
can prune at anytime
Flower Color:
lavender
Flower Fragrance:
high
Flower Period:
from mid to late summer
Summer Foliage Color:
gray green
Fall Color:
copper
Maximum Light:
full sun
Minimum Light:
full sun
Maximum Moisture:
average
Minimum Moisture:
dry
Pollution Tolerance:
high

Ornamental Features

Grosso Lavender has masses of beautiful spikes of fragrant lavender flowers rising above the foliage from mid to late summer, which are most effective when planted in groupings. The flowers are excellent for cutting. It has attractive grayish green evergreen foliage. The fragrant needles are highly ornamental and turn coppery-bronze in the fall, which persists throughout the winter.

Landscape Attributes

Grosso Lavender is a dense multi-stemmed evergreen shrub with a mounded form. It lends an extremely fine and delicate texture to the landscape composition which should be used to full effect.

Planting & Growing

Grosso Lavender will grow to be about 24 inches tall at maturity, with a spread of 24 inches. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. It grows at a slow rate, and under ideal conditions can be expected to live for approximately 10 years.

This shrub should only be grown in full sunlight. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is not particular as to soil type, but has a definite preference for alkaline soils, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. This particular variety is an interspecific hybrid.

Grosso Lavender makes a fine choice for the outdoor landscape, but it is also well-suited for use in outdoor pots and containers. It can be used either as 'filler' or as a 'thriller' in the 'spiller-thriller-filler' container combination, depending on the height and form of the other plants used in the container planting. It is even sizeable enough that it can be grown alone in a suitable container. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

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