Plant Base Online (beta)
© Deeproot Plant Base
common name: Daffodil 'Unsurpassable'
poisonous or irritant
full sun, part shade
moist soil, sandy soil
preferred soil pH: neutral
minimum temp: -15°C
USDA zone: 5 to 9
Very large, rich yellow flowers, the trumpet being slightly deeper. Mid-season flowering, vigorous grower.
Best in moderately fertile, well drained soil. Needs reasonable moisture while in growth early in the year but dormant bulbs will survive drought and hot summers. Sun or part shade.
Plant bulbs at one and half times their own size or a little deeper. Allow foliage to die back naturally after flowering.
Separate and replant bulb offsets.
Division 1 - Trumpet