Cup Plant
(Silphium perfoliatum)
Large leaves attach directly to the stem of the plant forming a “cup” that holds water and attracts birds. This is the most moisture loving of the silphiums but will tolerate dry conditions.
| Height Min | 36 |
|---|---|
| Height Max | 120 |
| Color | Yellow |
| Bloom Months | Jul, Aug, Sep |
| Moisture Conditions | Medium, Moist, Wet |
| Soil Types | Clay, Loam, Sand |
| Light Conditions | Partial Sun, Sun |



