A early spring blooming plant with globular yellow flowers. Superbus is a more prolific bloomer than the species.
Pronunciation
(TROL-i-us)(you-RO-pay-us)
Plant Type
All Plants, Perennials Hardy
Hardiness Zone
4-6
Sunlight
sun to part shade, mostly sunny
Moisture
prefers moist, tolerates average, resents dry
Soil & Site
average, light, moist
Flowers
1-2 inch globular, borne single or in twos, lemon yellow, long lasting, the showy part of the flower are the petaloid sepals which are larger than the inner petals
Leaves
green, parted, lobed, serrated (toothed), basal leaves have petioles, stem leaves are sessil
Dimensions
4 inches tall, upright
Maintenance
I cut them back after the formation of new foliage at the base, flushes new growth
Misc Facts
The genus name trollius is from the Swiss German word Trollblume "something round". This refers to the shape of the flower.