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PlantFiles: English Lavender
Lavandula angustifolia 'Imperial Gem'

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Family: Lamiaceae (lay-mee-AY-see-ee) (Info)
Genus: Lavandula (lav-AN-dew-lah) (Info)
Species: angustifolia (an-gus-tee-FOH-lee-uh) (Info)
Cultivar: Imperial Gem

Synonym:Lavandula officinalis
Synonym:Lavandula spica

One vendor has this plant for sale.

3 members have or want this plant for trade.

Category:
Herbs
Shrubs

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Hardiness:
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Purple

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Grown for foliage
Evergreen
Silver/Gray
Aromatic

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Flowers are good for cutting
Flowers are good for drying and preserving
Provides winter interest

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive mountaindog On Apr 14, 2009, mountaindog from Phoenicia, NY (Zone 5a) wrote:

Beautiful deep blue color, and has survived some very cold zone 5a winters, but not quite as vigorous as Miss Kathryn L. Angustifolia or Provence L. x Intermedia or Grosso L. x Intermedia.

Positive saya On Jul 27, 2006, saya from Heerlen
Netherlands (Zone 8b) wrote:

Looks much like L. angustifolia Hidcote...but L. angustifolia 'Imperial Gem' is a little taller...and flowering somewhat darker. The plant is more sturdy ..it has a better habit....very good scented!

Raised and introduced by Norfolk Lavender UK in the late 1980's. Awarded with AGM in 2002.

Positive philomel On Oct 15, 2004, philomel from Castelnau RB Pyrenes
France (Zone 8a) wrote:

This is a bushy lavender with silvery leaves and dark purple flowers.

Regional...

This plant has been said to grow in the following regions:

Phoenicia, New York
Toone, Tennessee



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