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Family: Asteraceae (ass-ter-AY-see-ee) (Info) Genus: Coreopsis (kor-ee-OP-sis) (Info) Cultivar: Jethro Tull Additional cultivar information: (PP18789) Hybridized by Saul, Itsaul Plants; Year of Registration or Introduction: 2008
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 Late Summer/Early Fall
Foliage: Herbaceous Smooth-Textured
Other details: Drought-tolerant; suitable for xeriscaping Self-sows freely; deadhead if you do not want volunteer seedlings next season
Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic)
Patent Information: Patented
Propagation Methods: By dividing the rootball From seed; direct sow outdoors in fall From seed; sow indoors before last frost
Seed Collecting: Collect seedhead/pod when flowers fade; allow to dry Properly cleaned, seed can be successfully stored
On Jun 21, 2008, bahakiwi from Port Orange, FL wrote:
This is one of the hardiest plants in my butterfly garden. We have had 2 straight weeks of rain and this has been one of the very few survivors. It blooms profusely in full sun without any signs of stress. Very low maintenance plant.
On Mar 24, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:
'Jethro' is the result of a natural cross of 'Zamfir' and 'Early Sunrise'. This bright Golden yellow coreopsis grows to 15-18 in. tall. Butterflies love it but deer don't.
Regional...
This plant has been said to grow in the following regions:
Colorado Springs, Colorado Port Orange, Florida Cordele, Georgia Lawrenceville, Georgia Washington, Illinois Atalissa, Iowa Pollock, Louisiana Florence, Mississippi Haddonfield, New Jersey Albuquerque, New Mexico Elephant Butte, New Mexico Charlotte, North Carolina Creston, North Carolina Oklahoma City, Oklahoma Albion, Pennsylvania Knoxville, Tennessee Houston, Texas Paris, Texas Kalama, Washington Stanwood, Washington
7 vendors have this plant for sale.
