Veronica, Austrian Speedwell 'Crater Lake Blue'

Veronicaaustriaca

Genus
Veronica (veh-RON-ih-ka)
Species
austriaca (oss-tree-AH-kuh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
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)
Danger
N/A
Bloom Color
Medium Blue
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Grass Valley, California

Susanville, California

Denver, Colorado

Seymour, Connecticut

Chicago, Illinois

Mount Prospect, Illinois

Barbourville, Kentucky

Hebron, Kentucky

South China, Maine

Roslindale, Massachusetts

Wayland, Massachusetts

Orrville, Ohio

Pickerington, Ohio

Lititz, Pennsylvania

Trafford, Pennsylvania

Custer, South Dakota

Arlington, Virginia

Kalama, Washington

Olympia, Washington

Spokane, Washington

Vancouver, Washington

Marinette, Wisconsin

Pulaski, Wisconsin

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Gardener's Notes:

3
positives
4
neutrals
0
negative
Sort By:
Sort By:
R
Custer, SD | July 2015 | positive

Mine is in part shade and provides a lot of extraordinary blue blossoms in it's (rather short) bloom period. Have planted other veronica...Read More

C
ROSLINDALE, MA | May 2015 | neutral

Spectacular masses of true electric blue during its short season of bloom. A reliable, long-lived performer in full sun with consistent m...Read More

S
Lititz, PA (Zone 6b) | April 2015 | positive

This plant is a rockstar in one of my main perennial beds. It blooms late spring for me; usually end of May/beginning of June. This ver...Read More

B
Seymour, CT | September 2008 | neutral

The color on this flower is great - one of the few perennial flowers I have seen that really is close to true blue. However, the blooms o...Read More

L
Wayland, MA (Zone 6a) | April 2007 | positive

although this veronica does not re- bloom nothing can beat that clear blue! it is just spectacular! It also divides very well in the sp...Read More

B
Spokane, WA | March 2007 | neutral

This will be my third year growing this Veronica. It has gorgeous true-blue flowers. Mine is in full sun. The only reason im giving it...Read More

U
Orrville, OH (Zone 6a) | May 2004 | neutral

Can become leggy and down trodden from rain. Otherwise very pretty next to buttercups.

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