| Common Name | Quilled black-eyed Susan |
|---|---|
| Family | Asteraceae |
| Genus | Rudbeckia |
| species | subtomentosa |
| Plant Type | Perennial |
| US Patent # | PP23590 |
| EU Grant # | EU36960 |
| Bloom Time | July, August, September, October |
| Flower Color | Orange, Yellow |
| Foliage Color | Green |
| Dormancy | Winter |
| Exposure | Full Sun |
| Growth Habit | Upright |
| Growth Rate | Fast |
| Hardiness Zone | 4, 5, 6, 7, 8 |
| How Different? | A dwarf form of 'Henry Eilers', 'Little Henry' is 1/3 shorter, blooms 2 weeks earlier, and doesn't fall open in the garden. |
| Landscape Value | Use in borders, mixed beds, and meadows in full sun. |
| Most Active Growing Season | Spring |
| Persistence | Deciduous |
| Size (HT/W/FL HT) | 36" / 24" / 48" |
| Soil (Garden) | Average, well drained. Prefers moist to wet soils. |
| Water (Garden) | Average needs |
| Special Uses | Cut Flower, Deep South, Pollinator Attractor |
| Comments | -- |
Rudbeckia ‘Little Henry’
Displays the same charming blooms of 'Henry Eilers', but it is one third shorter! Still good for cut flowers, but now fits well into the average landscape. This narrow, upright grower makes a great specimen in the border. The very appealing quilled, gold flowers bloom summer until frost.
USDA Hardiness Zone(s): 4-8
Size (HT/W/FL HT): 36″ / 24″ / 48″
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″ | 6 – 8 weeks |
| Finish Time to Gallon | — |
| Day Length for Flowering | Short Day |
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Related Articles Featuring: Rudbeckia ‘Little Henry’
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- September, 2011 – Greenhouse Management – click here
- August, 2011 – Greenhouse Management – click here
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