| BULLKELP | An annual seaweed growing from a spore to maturity within a single year (4,4) |
| GERMINATE | Of seed or spore, to begin to grow (9) |
| CAMPBELL | Donald ---, only man to break the water and land speed world records in a single year |
| GENEPOOL | The total genetic information within a population of animals or plants, usually within a single species (4, 4) |
| DONBUDGE | US tennis champion who was the first player to win the four Grand Slam tournaments in a single year (3,5) |
| STERIGMA | A minute stalk bearing a spore or chain of spores in certain fungi (8) |
| BONEYARD | Poet's written about single year in place like that inspiring Gray's "Elegy" (8) |
| RIPENING | Coming to maturity |
| DEVELOPS | Brings to maturity |
| TIMELAPSEPHOTO | Image of a plant growing from a seed to a sapling, e.g. |
| RING | In dendrochronology, a part of the cross-section of a tree trunk representing a single year's growth; or, an identity tag placed around a bird's leg (4) |
| UNICORNS | Imaginary creatures, usually depicted as white horses with one long spiralled horn growing from their foreheads (8) |
| HAMPSTEAD | Daniel Defoe described this London suburb as rapidly growing "from a little country village, to a city" |
| THRONES | Game of ___ fantasy drama series that set a record for the most Emmy wins for a series in a single year in 2015 |
| SCHITTS | ___ Creek sitcom that set a record for the most Emmy wins for a comedy series in a single year in 2020 |
| VINTAGE | Describing champagne that is made from grapes harvested in a single year (7) |
| SNOW | Mount Rainier once received a record 93+ feet of it in a single year |
| SHOGUN | Show that won a record-breaking 18 Emmys in a single year |
| ANNUAL | A plant that completes its lifecycle within a single growing season, then dies (6) |
| FEATHER | Quilled and barbed structure growing from a bird's skin (7) |