Diploid. Double light lemon yellow flower with a green throat, 5" bloom. Grow in moist, well-drained soil. Trumpet-shaped flowers on strong stalks are borne above narrow, green foliage growing in dense clumps. Deadhead frequently to keep plant neat.
| Scientific Name: | H. 'Shamrock Double Lemon' |
| Zone: | 3 |
| Light: | Sun to Light Shade |
| Height: | 30" |
| New Shape: | Clump |
| Foliage: | Green |
| Flower: | Yellow |
| Bloom Time: | Jul |