Pronounciation: Cor-e-OP-sis lan-ce-o-LA-ta

Hardiness zones
Sunset All
USDA All

Landscape Use: Mixed flower garden, border, accent, mesic gardens themes in arid climates like Phoenix, xeric elsewhere. Will usually persist for 2 to 4 years in Phoenix as a perennial under good conditions.

Form & Character: Bright, festive, prostrate to upright when flowering.

Growth Habit: Evergreen, herbaceous perennial, moderate, basally clumping and tight to the ground when vegetative, but eventually sending flower stalks to 2-feet tall.

Foliage/Texture: Opposite, variable in length, medium to dark green, oblanceolate, simple to pinnately lobed, more basally clustered, sparse on stems; medium texture.

Flowers & Fruits: Brilliant yellow to orange yellow ray flowers, single or double, 2 inches in diameter, on branched peduncles; fruit an achene, inconspicuous, seed wind dispersed.

Seasonal Color: Flowering during spring in Phoenix.

Temperature: Tolerant of all but highest summer heat, will freeze to ground in coldest climates.

Light: Partial shade to full sun, no intense western exposures.

Soil: Tolerant of some alkalinity.

Watering: In desert gardens, irrigate regularly as necessary to maintain an evenly moist soil.

Pruning: Remove flower stalks after bloom.

Propagation: Easy by seed.

Disease and Pests: None

Additional comments: Coreopsis contains over 100 species of annuals and perennials native to the new world and Africa. There are many named cultivars of which those that are dwarf have great landscape border value for their consistent summer bloom. All Coreopsis attract butterflies.