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Hardiness: 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)
Bloom Color: Pale Yellow Blue-Violet Violet/Lavender White/Near White
Bloom Time: Mid Summer
Foliage: Grown for foliage Evergreen Herbaceous Chartreuse/Yellow Good Fall Color
Other details: Requires consistently moist soil; do not let dry out between waterings 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: Non-patented
Propagation Methods: By dividing rhizomes, tubers, corms or bulbs (including offsets) From herbaceous stem cuttings By simple layering By serpentine layering
On May 18, 2009, SW_gardener from (Steven) GTA, ON (Zone 6a) wrote:
I just got this plant last year on end of season sale and I love it! It grows fast and makes beautiful little lavender purple flowers that make me think of lobelia. If you get down on the ground and actually smell it, it has a pleasant sweet fragrance too!
On May 1, 2009, lshields from Sag Harbor, NY wrote:
Grows and flowers well in mostly shade as well as sun. Outcompetes other weeds. This is one plant you put in the ground and just forget about. Takes care of itself.
Evergreen in zone 6
On May 4, 2008, mindnova from summersville, WV (Zone 5b) wrote:
I love this plant. Bought as a marginal pond plant, it has survived my zone 5 winter with slight yellowing. Has been blooming since mid April, and continues to bloom. I placed it in pond level with dirt, and it seems very happy. Likes full sun, in the water. I hope to divide this and spread the beautiful blue blooms all around my pond.
On Apr 20, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:
Figures - I thought they were zone 4 hardy - seem like a lot of sources says that they are zone 4 hardy but none have survived winter here in Minnesota.
On Mar 8, 2008, nativeviv from Lafayette, LA (Zone 9a) wrote:
I bought one of these last year from a nursery while on a gardening trip to zone 7-8 to try out in a blue stone walkway. It is doing fantastic. Growing in limestone and sand, between the blue stones, in strong sun, and it has multiplied, and now flowering. I live in 9a, and I avoid watering. Go figure. I am ready to buy more and fill in the rest of the pathway. It is a great plant.
On Oct 21, 2004, tcfromky from Mercer, PA (Zone 5a) wrote:
Grows in full sun to partial shade. This is a very low growing, spreading groundcover that forms a thick mat of tiny leaves with tiny purplish-blue flowers that bloom from spring into summer. Prefers well-drained soil.
On Jun 2, 2004, OhioBreezy from Dundee, OH (Zone 5b) wrote:
Was given spring 2003 a small start of this, it quickly spread from 2 inches to 23 inches!!! blooms are darling little lavender with specks. It easily tolerated my path thru the garden where I walk, without being totally crushed or killed. Kept on blooming and growing.
On Aug 7, 2003, Ladyfern from Jeffersonville, IN (Zone 6a) wrote:
A wonderful little groundcover for the shade. Tolerates foot traffic. Mine is growing under a pine tree in clay soil. It's a little too rambunctious to go between my pavers, though. It needs a bit more room. Watch it when it does its growth spurt in the spring and trim it back, or it will get into the lawn! Its purple flowers in late spring are just darling.
On Apr 20, 2002, lupinelover from Grove City, OH (Zone 6a) wrote:
This plant grows anywhere, yet is not invasive. Thrives in full shade, full sun, severe drought (no water for 3 months during summer of '99), and underwater for a month in '01. I strongly recommend to everyone. Find someone who grows it for a start: the few nurseries locally that carry it charge $8-9 for a quart pot.
Foliage in Zone 6 turns red during winter; back to green in spring.
On Oct 12, 2001, Joy from Kalama, WA (Zone 8b) wrote:
Prefers moist, rich soils. Foliage is evergreen in warm winter climates. Excellent ground cover for small areas. Also effective grown between stepping stones or in rock gardens. Tolerates foot traffic.
Regional...
This plant has been said to grow in the following regions:
Alabaster, Alabama North Little Rock, Arkansas Atlanta, Georgia Buford, Georgia Cumming, Georgia Decatur, Georgia Rincon, Georgia Stone Mountain, Georgia Muscatine, Illinois Jeffersonville, Indiana Kimmell, Indiana Taylorsville, Kentucky Lafayette, Louisiana Mechanicville, New York Elizabeth City, North Carolina Cleveland, Ohio Columbus, Ohio Coshocton, Ohio Dundee, Ohio Grove City, Ohio Williamsburg, Ohio Oklahoma City, Oklahoma Norristown, Pennsylvania Spartanburg, South Carolina New Caney, Texas Lexington, Virginia Spotsylvania, Virginia Stafford, Virginia Wytheville, Virginia Canvas, West Virginia