Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Coreopsis palustris 'Summer Sunshine' you will need.
Correct and successful spacing is complex and depends on project conditions. We encourage you to call us at 877-ECO-PLUG for project specific recommendations and further assistance.
Coreopsis palustris 'Summer Sunshine'
swamp tickseed
- Category: Perennial, Native
- Hardiness Zone: 6-9
- Height: 3-4 Feet
- Spread: 3-4 Feet
- Spacing: 24 Inches
- Bloom Color: Yellow
Vigorous mounds of foliage reach up to a sturdy 30” tall. Flower display lasts for a full 6 weeks. Bright and sunny for end of summer blooming that holds through the fall. C. palustris is native to the swampy forests of the south and particularly prolific in the Carolinas. It is one of the slower spreading Coreopsis and is a faculative that tolerates wet roots for extended periods. Mt. Cuba Center's 2015 Coreopsis Trial
Exposure
| • | Full Sun |
Green Infrastructure
| • | Bioretention/Rain Garden |
Season of Interest (Flowering)
| • | Summer |
Propagation Type
| • | Vegetative |
Additional Information about Coreopsis palustris 'Summer Sunshine'
Bright clear yellow flowers with dark centers grab your attention for Coreopsis palustris ‘Summer Sunshine’. A late season bloomer supplying essential nectar to pollinators while other wildflowers are closing up shop, this Coreopsis was the highest rated in Mt. Cuba Center’s Coreopsis Trials. Superior performance in long lasting bloom time and disease resistance, this plant received a perfect rating. ‘Summer Sunshine’ grows about 3’ tall and has shiny deep green foliage that is tidy and disease-free and then is covered in blooms for over six weeks in late summer.
Coreopsis palustris is originally from the pine savannas of North Carolina tolerates heat, humidity, and hydric soil conditions. Preferring full sun, it grows slowly at 2’ every three years by rhizome. This plant can take a range of soil conditions including heavy clay soils.
The cultivar ‘Summer Sunshine’ does much better in garden conditions – the straight species can be ravaged by disease pressure and defoliated by September while the cultivar remains pristine and in full bloom. In our own trial, we found Coreopsis palustris 'Summer Sunshine' to grow well in containers and hold up to close inspection of the leaves to usual pest and disease damage. The blooms really stand out with their golden yellow coloring and dark centers. Coreopsis species support over 40 different species of insects including some predatory insects which are essential for a strong garden ecosystem.