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)
On Jun 9, 2011, StellaElla from Georgetown, ON Canada wrote:
A gorgeous color of light blue, blooms continue May-Sept here in Ontario. Very pretty addition to any cottage garden, especially if you'd like to attract fuzzy bees and butterflies. This plant thrives in my heavy clay soil!
I am really impressed with this plant. I bought it last spring and it has bloomed all winter and is still blooming. I will try to grow it from seeds it has produced but will buy more if I find it at the nursery. It was left out in freezing weather all winter and it has just kept on going. Now it is attracting the butterflies!!!!!! VERY EASY TO GROW AND BEAUTIFUL!!!
I highly reccommend this plant to any here in Orange, TX
On Apr 23, 2010, MiniPonyFarmer from Gilmer, TX (Zone 8b) wrote:
This plant is an absolute winner. It blooms here from March thru November nonstop. It suffers from no pests or diseases and looks fantastic all the time! Probably my favorite perennial because it is so hard working.
On Jul 8, 2009, littlelamb from Virginia Beach, VA (Zone 8b) wrote:
This little plant just wants to bloom all the time in my area. Even during the warmer part of winter, the plant would send up a few flowers. The stems easily bend so they weave themselves through other plants and look quite pretty. The only thing you need to do is to dehead to keep it tidy. I've cut all the flowers off and within a week, it has put up new flowers so it's pretty forgiving. Makes a wonderful plant near the front of the garden.
On Sep 18, 2007, BlackDogKurt from Seymour, CT wrote:
For me, I found the flowers to be a little boring. Even though I deadheaded the spent blooms regularly, mine always seemed a little scraggly, maybe becase the blooms didn't last very long. And it was a very short-lived plant for me, lasting just one season. Maybe I will try them again in a different location.
On Jun 26, 2007, Roy_Green from Adelaide Hills Australia (Zone 9a) wrote:
A wonderful perennial that performs on every front. Has cottage garden elegance yet is as tough as old boots. Has copped blasts of 110 F winds in high summer, as well as frosts down to 20 F, and it just stands up every day. Is reasonably drought-tolerant too - just the odd watering needed in our semi-Mediterranean Zone 9a climate in southern Australia.
The other brilliant thing about this flower is that it flowers much of the year. Is not too bad in cut-flower arrangements either.
When new leaves form on the base of this plant, they don't look like the more mature leaves. I thought I had a weed mixed in with the plant until I looked more closely. It is a wonderful, long blooming perennial.
On Apr 12, 2006, pbtxlady from Garland, TX (Zone 8a) wrote:
My third-year pincushion flowers bloom almost year-round in my garden, disappearing only in January and February. They are large and in full bloom when everything else is still just coming up. They slack off a little in our hot summers, but do still flower. Pest free and no special care. Very attractive to butterflies and bees.
On Dec 4, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:
The scabiouses like neutral to slightly alkaline conditions.
Deadhead to prolong flowering. Divide the clumps every few years to stimulate growth. This plant can take pretty dry conditions and requires a well drained soil. It is especially important to keep it out of wet conditions in winter.
'Butterfly Blue' will flower almost continuously in frost-free areas except during very hot mid-summer weather.
On Nov 28, 2004, leisurlee from East Barre, VT (Zone 4a) wrote:
I've divided it, traded it, and basically paid no attention to it whatsover. It just keeps coming back year after year, providing prolific flowers through all but the heat of mid summer. It's dependable in my zone 4a garden. I've had the same plant for 5 full seasons now, growing in a front, full sun, southern exposed border.
On Mar 11, 2004, sweezel from McKinney, TX (Zone 8a) wrote:
This perennial grows wonderfully for me in part shade. It blooms through the intense Texas August heat (with deadheading) and blooms into Christmas time here where I am almost in Zone 7b. January and February were the only months it did not have at least one bloom on it. Plus, the foliage is evergreen and looked great all winter.
I've grown this plant in several perennial gardens in Northern CA where summer temps can top 100 for many days running and in Central OR where winter temps are below freezing and frost can extend well into May. This plant performed brilliantly in both of those climates. It blooms and blooms, is a "good neighbor" for all sorts of others (color, not invasive), makes even beginning gardners look good and, a real bonus in my current home in Oregon, NOTHING seems to eat it...neither deer nor chipmunks, which devour many of my other plants. In my experience, this is a winner!
On Jan 30, 2003, lupinelover from Grove City, OH (Zone 6a) wrote:
'Butterfly Blue' is very short-lived; it may be treated as a biennial. Seed may be gathered, most will come true; rogue variants.
This plant has been said to grow in the following regions:
, (3 reports) Lincoln, Moody, Alabama Vestavia Hills, Alabama Glen Avon, California Jacumba, California Knights Landing, California Long Beach, California Merced, California Oildale, California Perris, California San Jose, California San Leandro, California Sonoma, California Truckee, California Fort Collins, Colorado Indian Hills, Colorado Cornwall Bridge, Connecticut Seymour, Connecticut Deltona, Florida High Springs, Florida Jacksonville, Florida Ocoee, Florida Port Orange, Florida Athens, Georgia Winterville, Georgia Mount Prospect, Illinois Fishers, Indiana Logansport, Indiana Lakeside, Iowa Wichita, Kansas Ewing, Kentucky Hebron, Kentucky Brusly, Louisiana Boston, Massachusetts Haydenville, Massachusetts Uxbridge, Massachusetts Woburn, Massachusetts Fountain, Michigan Traverse City, Michigan Hopkins, Minnesota St Cloud, Minnesota Florence, Mississippi Springfield, Missouri Lincoln, Nebraska Norfolk, Nebraska Omaha, Nebraska Hudson, New Hampshire Browns Mills, New Jersey Ramblewood, New Jersey Rio Rancho, New Mexico North Tonawanda, New York Putnam Valley, New York Smithtown, New York Charlotte, North Carolina Davidson, North Carolina Columbus, Ohio Huber Heights, Ohio Mount Orab, Ohio Owasso, Oklahoma Cave Junction, Oregon Portland, Oregon Boothwyn, Pennsylvania Conway, South Carolina Florence, South Carolina Olivet, South Dakota Forest Hills, Tennessee Knoxville, Tennessee Signal Mountain, Tennessee , Texas Cleburne, Texas Dallas, Texas Doyle, Texas Eagle Mountain, Texas Fort Worth, Texas Garland, Texas Georgetown, Texas Haltom City, Texas Joshua, Texas Killeen, Texas Lufkin, Texas Mansfield, Texas Mckinney, Texas Orange, Texas Port Lavaca, Texas San Antonio, Texas Wyldwood, Texas East Barre, Vermont Charlottesville, Virginia Virginia Beach, Virginia Woodbridge, Virginia Freeland, Washington Kalama, Washington Moxee, Washington Vancouver, Washington Walnut Grove, Washington Petersburg, West Virginia