| Common Name | Quilled sweet coneflower |
|---|---|
| Family | Asteraceae |
| Genus | Rudbeckia |
| species | subtomentosa |
| Plant Type | Perennial |
| US Patent # | PPAF |
| EU Grant # | PBRAF |
| Bloom Time | July, August, September, October |
| Flower Color | Orange |
| Foliage Color | Green |
| Dormancy | Winter |
| Exposure | Full Sun |
| Growth Habit | Upright, Clumping |
| Growth Rate | Fast |
| Hardiness Zone | 8, 9, 10 |
| How Different? | -- |
| Landscape Value | Back of the border or in a meadow. |
| Most Active Growing Season | Spring |
| Persistence | Deciduous |
| Size (HT/W/FL HT) | 16" / 14" / 30" |
| Soil (Garden) | Average, well drained. Prefers moist to wet soils. |
| Water (Garden) | Average |
| Special Uses | Cut Flower, Deep South, Pollinator Attractor |
| Comments | -- |
Rudbeckia ‘Summer Sienna’
This new Rudbeckia was a visitor must this summer. Mid-sized, tawny and sun-bronzed flowers are produced in impressive numbers, all summer long. The informal flowers are cheery and dramatic at the same time and in a well drained, sunny location will become a garden staple.
USDA Hardiness Zone(s): 8-10
Size (HT/W/FL HT): 16″ / 14″ / 30″
Exposure: Full Sun
Bloom Time(s): July, August, September, October
| Water (Greenhouse) | Dry moderately between waterings. |
| EC | 0.7 |
| pH | 5.0 – 7.0 |
| Fertility Needs | 150 – 200 ppm |
| Notes | — |
| Finish Time to 4″ | 4 – 6 weeks |
| Finish Time to Gallon | 8 – 10 weeks |
| Day Length for Flowering | Long Day |
  |
 |
All photography is property and © of TERRA NOVA® Nurseries, and is only to be used for promotional material related to TERRA NOVA® products.
Please credit TERRA NOVA® Nurseries in the following manner:
Photo(s) courtesy of TERRA NOVA® Nurseries, Inc.
www.terranovanurseries.com
 |
 |
 |
 |
Our tags are produced using Adobe Illustrator (.ai) format.
 |
Related Articles Featuring: Rudbeckia ‘Summer Sienna’
Get the latest FREE version of Acrobat® Reader™
here.Please be patient as PDF’s may take a moment to load.
- July, 2023 – Lawn & Garden Retailer: Terra Nova Nurseries to debut new introductions, catalog at Cultivate’23 – click here
Related products
