Essence of Lime (May) Essence of Lime (April) Essence of Lime Glowing lime colour below the dark, pointed leaf tips. £3.20 Another wonderful variety from Sue Thomas, 'Essence of Lime' is aptly named. The glowing lime colour shines from below the dark, pointed leaf tips. Medium size. Bred by Sue Thomas (UK) 2000 Sent in 9cm pots as growing, established plants.