Coreopsis grandiflora 'Sunray'

Sunray Tickseed

Coreopsis grandiflora ‘Sunray’ is a cheerful, long-blooming tickseed celebrated for its fully double, golden-yellow flowers and compact, tidy habit. Blooming heavily from early summer into fall, it delivers classic cottage-garden charm with excellent heat tolerance and easy care.


Plant Profile
Type: Herbaceous perennial (often short-lived but reliable)

Mature Size:



Width: 14–18 in.



Height: 18–24 in.



Bloom:



Fully double, pompon-style flowers



Bright, clear golden yellow



Early summer through fall with deadheading



Foliage:



Medium green, lance-shaped leaves



Forms a neat, mounded clump



Zones: 4a–9b
Light: Full sun
Soil: Well-drained soils; adapts well to sandy, rocky, or average soils
Water: Low to moderate; drought tolerant once established


Features & Uses


Form: Compact, mounded habit with excellent flower coverage



Ideal for perennial borders, mass plantings, containers, and cutting gardens



Double blooms add texture and fullness compared to single-flowered types



Strong pollinator appeal (especially bees)



Deer resistant and very low maintenance




Care Notes


Deadhead regularly to prolong bloom and keep plants tidy



Cut back in late fall or early spring



Avoid overly rich soils to maintain compact growth and abundant flowering

Plant type

Perennial

Height

18-24''

Width

14-18"

Hardiness zones

4–9

Sunlight

Full Sun

Growth rate

Fast

Bloom time

Early Summer, Late Spring, Summer

Flower color

Mikado Yellow

Leaf color

Green

Fall color

Green

Attracts

Bees, Butterflies

Soil

Loamy, Moist well-drained, Sandy

Landscape use

Accent Plant, Container, Mass Planting

Shape

Compact Rounded

Fruit

Yes

Deer resistant

Yes

Drought tolerant

No