About
Joanna' is a tall, vigorous perennial to 2.5m with dark green, strap-shaped leaves and 50cm-long spires of compactly set, pure white flowers in early summer.
About the genus
Eremurus are herbaceous perennials growing from fleshy roots, with rosettes of strap-shaped basal leaves and a dense racemes of small star-shaped flowers on erect leafless stems
Growing conditions
SunlightFull sun
Soil typeLoam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectWest-facing, South-facing
ExposureSheltered
UK hardinessH6
Plant details
Plant typeBulbs
HabitColumnar upright
FoliageDeciduous
Height1.5-2.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesArchitectural, Cottage and informal garden, Gravel garden
Care notes
CultivationGrow in fertile, sandy, well-drained loam with protection from wind. May need support and in cooler areas the crown should be protected with a dry mulch
PruningNo pruning required
PropagationPropagate by division after flowering
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free