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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)
Sun Exposure: Full Sun
Danger: N/A
Bloom Color: Bright Yellow
Bloom Time: Late Spring/Early Summer Mid Summer
Foliage: Herbaceous
Other details: Requires consistently moist soil; do not let dry out between waterings
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 From seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; sow indoors before last frost
Seed Collecting: Allow pods to dry on plant; break open to collect seeds Properly cleaned, seed can be successfully stored
On Aug 21, 2006, HortusBiebel from Carol Stream, IL (Zone 5b) wrote:
Many coreopsis are native to Illinois and other praries states. I live in Illinois, and it seems to thrive in its natural area here. It produces stems from which skinny, smaller stems protrude. These hold the beautiful, bright yellow, daisylike flowers. Rabbits seem to find mine a real delicacy; try rabbit and deer prevention spray for this problem. It works for me.
On Aug 19, 2004, Windy from Belleville , IL (Zone 6b) wrote:
The lanceleaf coreopsis is a favorite of the goldfinches who visit my yard. They will hang on a seed pod until they scarf down every last seed. It is a lovely addition to those that do not care if a bird shares the harvest.
On Jul 2, 2004, punaheledp from Kailua, HI (Zone 11) wrote:
my sister sent me a packet of seeds. I planted about 6 mos. ago and plants seem healthy but have not yet bloomed. Can somebody tell me when I should expect plants from seed to bloom? Don't know how they'll do here in zone 11, packet did not list zones, but does say they are drought tolerant whem mature. My plants are about 8"-10" tall. If they bloom will change rating to positive and add to list of where they grow.
On May 8, 2004, bayouposte from Bossier City, LA (Zone 8a) wrote:
Cheerful, easy plant. Flowers face east in the morning and west in the afternoon, but sometime after dark --they turn east again, as if anticipating the sun. I love the idea that it doesn't just lean to the sun, it knows where the sun comes up and prepares for sunrise.
On Aug 1, 2003, PurplePansies from Deal, NJ (Zone 7a) wrote:
A native American plant. Surely not an unusual plant or with outstandingly showy flowers, but grown extensively for good reason. Blooms over a long period, and it is VERY easy to grow, thriving in a variety of conditions, its only demands are probably to be planted in full sun, and not to be planted in the wettest or heavy clay spots. Bright yellow flowers are cheery, combine well with many flowers and are a good addition to most gardens. Its somewhat open and airy habit can add a softening effect when planted around stiffer plants. Very easy to grow from seed, should deadhead or remove seedheads, if self-sown seedlings are not desired. Not bothered by diseases or insects. However, after a strong rain, in partial shade or overly rich or wet soil, plants can tend to flop over. Plants are so easy to grow that they can spread almost invasively. Monitor their growth, but their spreading is seldom a nuisance.
On Sep 1, 2002, Crimson from Clarksville, TN (Zone 6b) wrote:
Makes great cut flowers, lasting over a week. Grew very tall (3 1/2 ft) and flowered, I cut it back after it started to slow on flower production and it burst forth with tons more blooms. I keep it dead headed, produces tons of seed.
On Nov 8, 2000, gardener_mick from Wentworth, SD (Zone 4a) wrote:
These are a perennial in zones 4-9. They need full sun and well drained soil that is fertile and somewhat moist. They produce 1 1/2 to 2 1/2" flowers that are yellow. They will have single to double flowers on top of 12-12" stems. The foliage is a deep green. They bloom from summer to fall.
Regional...
This plant has been said to grow in the following regions:
Auburn, Alabama Birmingham, Alabama Montgomery, Alabama Flagstaff, Arizona Mesa, Arizona Phoenix, Arizona Conway, Arkansas Ben Lomond, California Cool, California Fallbrook, California Fremont, California Littleton, Colorado New Haven, Connecticut Old Lyme, Connecticut Winsted, Connecticut Havana, Florida Keystone Heights, Florida Miccosukee Cpo, Florida North Port, Florida Carrollton, Georgia Newnan, Georgia Villa Rica, Georgia Carol Stream, Illinois Oak Forest, Illinois Fishers, Indiana Noblesville, Indiana Solsberry, Indiana Indianola, Iowa Lansing, Kansas Benton, Kentucky Ewing, Kentucky Hanson, Kentucky Marlborough, Massachusetts Houghton Lake, Michigan Stanwood, Michigan Mathiston, Mississippi Waynesboro, Mississippi Piedmont, Missouri Saint Louis, Missouri Blair, Nebraska Auburn, New Hampshire Haddonfield, New Jersey Lincroft, New Jersey Scotch Plains, New Jersey Seaside Heights, New Jersey Corrales, New Mexico Elephant Butte, New Mexico Roswell, New Mexico Berkshire, New York Penn Yan, New York Staten Island, New York Flat Rock, North Carolina Bucyrus, Ohio Cambridge, Ohio Cincinnati, Ohio Columbia Station, Ohio Coshocton, Ohio Delaware, Ohio Duncan Falls, Ohio Mogadore, Ohio Schulter, Oklahoma Portland, Oregon Norristown, Pennsylvania Port Matilda, Pennsylvania Reading, Pennsylvania Troy, Pennsylvania Washington, Pennsylvania Greer, South Carolina Cookeville, Tennessee Lenoir City, Tennessee Arlington, Texas Austin, Texas (2 reports) Bulverde, Texas Conroe, Texas Crawford, Texas Dallas, Texas Houston, Texas Tomball, Texas Springfield, Virginia Kalama, Washington Ellsworth, Wisconsin Muscoda, Wisconsin Porterfield, Wisconsin