Anchusa Species, Blue Bugloss, Italian Bugloss, Italian Alkanet, Summer Forget-Me-Not 'Dropmore'

Anchusaazurea

Genus
Anchusa (an-KOO-suh)
Species
azurea (a-ZOOR-ee-uh)
Synonym
Anchusa italica
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
4-6 ft. (1.2-1.8 m)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
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)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Medium Blue
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Danville, California(2 reports)

Lompoc, California

Beacon Falls, Connecticut

Dallas, Georgia

Chicago, Illinois

Abilene, Kansas

Lucas, Kansas

Louisville, Kentucky

Pownal, Maine

South Lyon, Michigan

Traverse City, Michigan

Oneonta, New York

Edgeley, North Dakota

Cleveland, Ohio

Brookhaven, Pennsylvania

Norristown, Pennsylvania

Austin, Texas

Belfair, Washington

White Sulphur Springs, West Virginia

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Gardener's Notes:

3
positives
1
neutral
1
negative
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R
Lompoc, CA | February 2015 | negative

Pretty flowers but scratchy unattractive leaves that can literally burn and scar your skin. Not terribly invasive (that is it doesn't tra...Read More

C
Abilene, KS | February 2012 | positive

This plant is stunning when it blooms the second year. The flowers are a very brilliant blue. I would recommend providing support for t...Read More

C
Oneonta, NY (Zone 4a) | April 2009 | positive

Planted 3 as seedlings from mail-order. They grew as short coarse leaves in first year and in second year sent up stalks with incredible...Read More

B
Dallas, GA (Zone 7b) | June 2006 | neutral

still hasnt sent out bloom shoots 6/23/06 but leaves are strong and robust sting like thistles! will update when it blooms

S
S
(Zone 8b) | March 2005 | positive

I have 'Dropmore' in my garden. I don't know if it has survive our last very wet and cold winter. I 've grown "Loddon Royalist' before an...Read More

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