Crocosmia Lucifer Common Names Crocosmia is also known as Montbreitia Crocosmia Lucifer Shape & Size Final Height: 90-120cm Final Spread: 60cm Growth: Vigorous. Fast Growth Rate Crocosmia Lucifer bulbs will divide & multiply in the ground each year creating dense clumps of foliage. It is important to lift & divide these clumps every 3 years ...