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Hardiness: 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)
It grows fast here and is easily divided in winter. It provides a strong horizontal element when it's about to flower, but the flowers don't last long at all. I suggest tucking it behind something like a Salvia greggii so that you can enjoy it when it's looking good and ignore it the rest of the year.
This plant is in bloom in my garden right now (Sept). It is mildly invasive for me but easy to pull and all is forgiven when it comes into bloom. This year I've noticed a couple additional plants in the same bed that look more like the "wild" type of goldenrod. They may be seedlings from 'Fireworks' that did not come true, or they may be from seeds brought in by birds. I'll pull those after the bees have enjoyed the nectar.
On Oct 10, 2009, lincolnitess from Lincoln, NE (Zone 5b) wrote:
This one rates a neutral from me because it only looked really good for about a week and then started looking rather weedy. Attracts a lot of bees and other insects, so not good near a walkway.
On Jun 30, 2007, sailco from Grand Haven, MI wrote:
Match this plant with later blooming Buddleia (blue) for a spectacular late summer show. I have found , after several years, that this plant has spread considerably by underground runners. It is worth the spread but is also very easy to pull to control or make new plants for yourself or friends.
On Jun 8, 2007, montsho from Tracy, CA (Zone 9b) wrote:
Very good name for this cultivar. The flowers literally look like the trail of sparks after fireworks have exploded in the air. This is my second year with this plant and one patch is already close to 5 feet!
On Apr 6, 2005, PurplePansies from Deal, NJ (Zone 7a) wrote:
Very nice for late season color.... gangly at the bottom camouflouge with shorter growing "bushier" plants.... Bright yellow "sprays" of color..... Made it through the winter with flying colors....
On Jan 21, 2003, poppysue from Westbrook, ME (Zone 5a) wrote:
I'm not all that fond of goldenrods but this hybrid is a beauty in late summer. The long flower spikes arch gracefully and give it a weeping appearance. I've had my plant for two years and though the clump has grown larger, it hasn't become invasive in anyway.
Regional...
This plant has been said to grow in the following regions:
Washington D.c., Redding, California Sacramento, California San Anselmo, California Bear, Delaware Lawrenceville, Georgia Marietta, Georgia Chicago, Illinois Washington, Illinois Lafayette, Indiana Mount Airy, Maryland Salem, Massachusetts Commerce Township, Michigan Grand Haven, Michigan Lincoln, Nebraska Albuquerque, New Mexico Chapel Hill, North Carolina Columbus, North Carolina Harrisburg, North Carolina Winnabow, North Carolina New Freedom, Pennsylvania Clarksville, Tennessee Memphis, Tennessee Claude, Texas Merrimac, Virginia Richmond, Virginia Cross Lanes, West Virginia Eau Claire, Wisconsin