Welcome to Mr Pottifer's Parlour of Plants: a magical shop with the most surprising plants you'll ever see!Sarah thinks she's discovered the perfect gift for her garden-loving grandma, but before you can say GARDEN FULL OF UNICORNS, things grow wildly out-of-hand!Live your own hilarious unicorn fantasy in this rip-roaring, rhyming delight from a terrifically talented new picture book author, with illustrations from the brilliant, bestselling illustrator Steven Lenton - illustrator of Shifty McGifty and The Hundred and One Dalmations picture book.

An unexpected delivery of dragodil seeds provides the perfect chance for Sarah and Mr Pottifer to grow helpful dragon pets for their customers - or does it? It turns out that these fiery dragons are not very well-behaved at all... and everything soon spirals into smoke-filled, out-of-control DRAGON CHAOS!

A new customer at the shop buys some mermaid seeds, and Sarah is only too happy to help him grow them. But when the plants are accidentally given too much sugar, their vines spread throughout the town, flooding the streets and causing a whole heap of MER-MAYHEM!Can Sarah and her new friend use their quick thinking and green fingers to save the day?