| AGROSTEMMA | From the Greek for "garland of fields", the botanical name of the corncockles whose association with agricultural landscapes dates back some 4,000 years (10) |
| TAGETES | From the name of an Etruscan god who sprang from the ploughed earth, the botanical name of marigolds (7) |
| CHAPLET | From Old French for "garland of roses" and "hat", a word for a wreath of flowers or foliage for the head; a circlet of gold; or, a string of beads, one-third of a rosary in length (7) |
| TOMPION | Horologist whose association with Robert Hooke led him to make one of the first balance-spring watches and who was the first to inscribe serial numbers on the back of timepieces (7) |
| ASH | With the botanical name Fraxinus, "firelight", an oleaceous tree with winged seeds called keys for their apparent resemblance to keys used in medieval locks; the powdery remains of combustion; or, lig |
| ROBIN | Bird whose association with Christmas is said to derive from the red jackets worn by Victorian postmen (5) |
| THREAD | Strand or yarn whose association with precariousness alludes to the anecdotal sword of Damocles (6) |
| EGGS | Items in a nest or "clutch" whose association with Easter derives from pagan festivals and goddess Easter (4) |
| LUNARIA | Botanical name of the first of the two hidden plants (7) |
| ARMERIA | Botanical name of the coastal plant lady's cushion, marsh pink, Mary's pillow or thrift, whose flowers were depicted on threepenny bits as wartime emblems of frugality (7) |
| SEQUOIA | What is the botanical name for the giant Californian redwood? (7) |
| PLANT | From the Old English for "seedling" and the Latin for "sprout, cutting", any one of the botanical organisms forming Earth's collective flora including fern, herb and moss (5) |
| CAMPUS | From the Latin for "field", the grounds and buildings of a college or university; the academic world; or, a genre of novel depicting this (6) |
| ALLIUM | Latin or botanical name of the onion and its relatives including chives, garlic, leek, shallot and the flowers Globemaster and Purple Sensation (6) |
| GINGER | The botanical name for which spice is Zingiber officinale? (6) |
| ERICA | What is the botanical name for heather? (5) |
| COSTA | The botanical name for a rib (5) |
| ILEX | The botanical name for holly (4) |
| ASTER | Stokesia laevis is the botanical name for Stokes' ___ (5) |
| OSMUNDA | Latin or botanical name of the royal, cinnamon and interrupted ferns (7) |