- Herbaceous perennial
- USDA hardiness zones:
ëSienna Sunset is a threadleaf-type coreopsis (tickseed) that typically grows in a clump to 16-20\ tall spreading to 20-24\" wide. It is a sport of Coreopsis 'Creme Brulee' (see B861 herein). Daisy-like flowers bloom from late spring to mid-summer with sporadic additional into fall. Rays emerge burnt sienna but gradually age to a lighter shade of orange. Rays are toothed at the tip and surround a dark yellow center disk. Deep green leaves. Plants in the genus Coreopsis are sometimes commonly called tickseed in reference to the resemblance of the seeds to ticks. U. S. Plant Patent Applied For (PPAF)."
- Full sun
- Dry to medium
Easily grown in dry to medium, well-drained soil in full sun. Tolerant of heat, humidity and some drought. Plants may be sheared in mid to late summer (August) to promote a fall rebloom and to remove any sprawling or unkempt foliage. Plants will spread by rhizomes, but reseeding will not occur.
Size and growth:
- 1.0 to 1.5 feet
- 1.0 to 2.0 feet
Bloom / flowers:
- June - September
- Burnt sienna
Brown, Natural, Showy flowers, Orange, and Butterflies
Border fronts. Sidewalk edgings. Also effective in naturalized areas, wild gardens or cottage gardens. Good plant for areas with poor, dry soils. Patio containers.
No serious insect or disease problems. Crown rot may occur if grown in moist, poorly drained soils. Foliage reportedly has good resistance to powdery mildew.